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Power Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide Dead Line Phase Identification System Operation and User’s Guide Power Systems Integrity, Inc.

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Page 1: Dead Line Phase Identification SystemPower Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide May 2012 Power Systems Integrity, Inc

Power Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide

Dead Line Phase Identification System

Operation and User’s Guide

Power Systems Integrity, Inc.

Page 2: Dead Line Phase Identification SystemPower Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide May 2012 Power Systems Integrity, Inc

Power Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide

Table of Contents 1 Introduction ................................................................................................................. 1

2 System Use with Rubber Insulated Cables ................................................................. 1 3 System Use with Lead Jacketed Cables ...................................................................... 3 4 Phase Receiver Operation ........................................................................................... 5

4.1 System Setup ....................................................................................................... 6 4.2 Using Memorized Phase Transmitters and Cable Type ...................................... 6

4.3 Selecting Rubber or Lead Cable Mode ............................................................... 6 4.4 Selecting Phase Transmitters .............................................................................. 9

4.4.1 Phase Transmitter Status ............................................................................... 11 4.5 Memorizing Phase Transmitters and Cable Type ............................................. 12 4.6 Sending Tracing Current ................................................................................... 13

4.6.1 Rubber Cables ............................................................................................... 13 4.6.2 Lead Cables ................................................................................................... 15

4.7 Receiving Phases .............................................................................................. 16 4.8 Verify Mode: Checking Cables “In Connectors” ............................................. 17

4.8.1 Rubber Cable Mode ...................................................................................... 17 4.8.2 Lead Cable Mode .......................................................................................... 17

4.8.3 Verification Measurements ........................................................................... 18

4.9 Indicator Lamps ................................................................................................ 19

4.9.1 Output Active ................................................................................................ 19 4.9.2 Network Ready ............................................................................................. 19

4.9.3 Over Heat ...................................................................................................... 19 4.10 LCD Screen Pages, Keypad Usage ................................................................... 20

4.10.1 Page 1, Overall Status ............................................................................... 20

4.10.2 Page 2, System Status ............................................................................... 22 4.10.3 Page 3, Cellular Status .............................................................................. 22

4.10.4 Pages 4 & 6, Phase Transmitter Selection & Status ................................. 23 4.10.5 Pages 7 & 9, Phase Transmitter Graphs.................................................... 24

4.11 Operation Notes ................................................................................................ 25

5 Phase Transmitter Operation..................................................................................... 26 5.1 Connecting the Current Transformers .............................................................. 26 5.2 Current Sensor Installation at Transformers with Rubber Cables .................... 27

5.3 Current Sensor Installation at Transformers with Lead Cables ........................ 30 5.4 Current Sensor Installation for Cables .............................................................. 31

5.4.1 Create Loop for Tracing Current .................................................................. 31 5.4.2 Attach Current Transformers ........................................................................ 32

5.5 Phase Transmitter Setup ................................................................................... 32

5.5.1 Install Current Transformers ......................................................................... 32 5.5.2 Cellular Modem Signal Check ...................................................................... 32

5.5.3 Deploying the Battery Charger for long-term use ........................................ 33 5.5.4 Securing the Phase Transmitter .................................................................... 33

5.6 Phase Transmitter Removal .............................................................................. 33 5.7 LCD Screen Pages ............................................................................................ 34

5.7.1 Normal Operation ......................................................................................... 34

Page 3: Dead Line Phase Identification SystemPower Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide May 2012 Power Systems Integrity, Inc

Power Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide

5.7.2 Cellular Modem Signal Strength .................................................................. 35 5.7.3 Sleeping......................................................................................................... 35

5.8 Configuration Setpoints .................................................................................... 36 5.8.1 On Time Setpoint .......................................................................................... 36 5.8.2 Sleep Time Setpoint ...................................................................................... 36

5.8.3 Message Window Setpoint ........................................................................... 37 5.9 Phase Transmitter Battery ................................................................................. 37

5.9.1 Charging the Phase Transmitter battery ........................................................ 37 5.9.2 Operating the Phase Transmitter from the Battery Charger ......................... 38

5.10 Current Transformer Self-Test .......................................................................... 38

5.10.1 Starting the Self Test ................................................................................. 39 5.10.2 Test Mode, Low Gain ............................................................................... 39

5.10.3 Test Mode, High Gain............................................................................... 40 5.10.4 Ending the Self Test .................................................................................. 40

5.11 Reprovisioning Phase Transmitter Cellular Modem......................................... 40 6 Phase Verification of Cables In Conductors ............................................................. 41

6.1 Verification Records ......................................................................................... 41

Page 4: Dead Line Phase Identification SystemPower Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide May 2012 Power Systems Integrity, Inc

Power Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide

May 2012 Power Systems Integrity, Inc. 1

100 Otis St, Northborough, MA 01532

(508) 393-1655 Tel (508) 393-1887 Fax

1 Introduction The Power Systems Integrity, Inc. Dead Line Phase ID system (DLPID) consists of a

Phase Receiver unit and one or two Phase Transmitter unit(s).

Figure 1. Phase Transmitter, shown with Current

Transformers stowed.

The Phase Transmitter has three

current transformers (one per

phase), a cellular modem, and a

battery for remote operation. An

LCD displays shows system

operation and status while two

toggle switches allow for changes

in the system operation to be made.

The Phase Transmitter is contained

within a weathertight roadcase

suitable for temporary installation

in below grade vaults or other

locations where utility equipment

is used.

Figure 2. Phase Receiver, shown with output cables.

The Phase Receiver has a tracing

current output circuit, a cellular

modem, and an LCD display. A

keypad is provided to change the

information shown on the LCD

display, and three lamps indicate

system operation. The Phase

Receiver is contained within a

ruggedized roadcase that also

allows the tracing current output

leads to be stored.

2 System Use with Rubber Insulated Cables The Dead Line Phase ID (DLPID) system operating in Rubber Cable Mode is designed to

determine which one of a set of three cables have tracing current impressed upon them.

Making this determination allows the end of the cable to be correctly marked for phase.

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Power Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide

May 2012 Power Systems Integrity, Inc. 2

100 Otis St, Northborough, MA 01532

(508) 393-1655 Tel (508) 393-1887 Fax

Cables that use rubber, XLP, plastic, EPDM, or any other non-conductive outer insulation

are phased in Rubber Cable Mode. For cables that use conductive outer jackets such as

PILC or Lead Cambric use Lead Cable Mode – to switch modes use button 2.

When phasing rubber insulated cables the tracing current is applied to and measured on

the cable that is to be phased. The other two phases are not connected and do not receive

any tracing current. The tracing current can be measured because each phase’s neutral

conductors are separated away from the phase copper at the cable terminations (elbows or

hammerheads).

Transformer

Elbows

Neutral StrapsBond Wire

A

B

C

Current

Transformers

• Phase B CT measures tracing current

• Phase A and C CTs’ measure no current

• Phase Receiver displays “B”

Neutral Straps

A

B

C

Phase Copper

Rubber Cable Application

Phase

Receiver

For this example, assume that a buried three-phase URD cable has an open between two

transformers. The cable’s open has been located and excavated. The cable’s identity is

known and the phases of the three cables must be determined.

A Phase Transmitter is temporarily installed in a location where the cable’s phase is

known, at one of the transformers. The transformer’s internal ground is applied, to make

a loop for tracing current to flow in each cable. A Current Transformer is clipped onto

each of the three phase cables serving the transformer. The Current Transformers are

labeled as to which phase they are to be clipped to, and the labels are matched with the

known phases. The identity of the Phase Transmitter is recorded.

A second Phase Transmitter is installed at the other transformer in the same way.

Some distance away, a Phase Receiver is connected to the ends of one cable whose phase

is to be determined. Tracing current is sent through the cable, and returns through the

cable’s concentric neutral. The tracing current is detected by one of the Phase

Transmitter’s three Current Transformers. The Phase Transmitter transmits to the Phase

Receiver the phase that the tracing current is detected on. The Phase Transmitter then

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Power Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide

May 2012 Power Systems Integrity, Inc. 3

100 Otis St, Northborough, MA 01532

(508) 393-1655 Tel (508) 393-1887 Fax

displays the detected phase so the cable may be labeled and spliced. To display a phase,

the following must occur.

Frequency of tracing current detected must match frequency that

is being emitted. Tracing current must be detected on only one Current

Transformer.

No tracing current may be detected on the other two Current

Transformers

The process is repeated for the other end of the cables.

When each phase cable is “in connectors”, that is the phase copper has been crimped to

splice the cable, the tracing current is applied again. In this case, both Phase Transmitters

will detect tracing current and transmit the phase to the Phase Receiver. Both phases

should match, which verifies that the phase cable is correctly identified.

A permanent record is stored of the verification. The permanent record is uploaded to a

server in a remote location. All verification tests are available to be viewed as needed,

sorted by time and the identity of the Phase Receiver used for the verification.

The DLPID system can be used to verify phases of aerial cables, URD, triplex, and even

secondary cables in the same way. All that is needed is to establish a loop for tracing

current to flow, and to clip on the Phase Transmitter’s Current Transformers in a location

where the cable phase is known.

3 System Use with Lead Jacketed Cables The Dead Line Phase ID (DLPID) system in Lead cable Mode is designed to determine

which one of a set of three cables Does Not Have tracing current impressed upon them.

Making this determination allows the end of the cable to be correctly marked for phase.

Cables that are PILC (Paper Insulated Lead Covered), Lead Cambric, or any other

conductive outer jacket are checked in Lead Cable Mode. For cables that use non-

conductive outer insulation such as EPDM, Rubber, or Plastic use Rubber Cable Mode –

to switch modes use button 2.

When phasing cables with a conductive outer jacket, the jacket is not used to carry

tracing current. To form a loop for tracing current to flow requires using two of the

phases. The remaining phase that does not carry any tracing current is the phase that is

identified. This is opposite to phasing rubber insulated cables. To repeat – the phase

displayed on the Phase Receiver is that of the UNCONNECTED PHASE when

phasing lead cables.

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Power Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide

May 2012 Power Systems Integrity, Inc. 4

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Transformer

A

B

C

Current

Transformers

• Phase B CT measures no current

• Phase A and C CTs’ measure tracing current

• Phase Receiver displays “B”

A

B

C

Phase Copper

Lead Cable Application

Phase

Receiver

For this example, assume that a buried three-phase PILC cable has an open between two

transformers. The cable’s open has been located and excavated. The cable’s identity is

known and the phases of the three cables must be determined.

A Phase Transmitter is temporarily installed in a location where the cable’s phase is

known, at one of the transformers. The transformer’s internal ground is applied, to make

a loop for tracing current to flow in each cable. A Current Transformer is clipped onto

each of the three phase cables serving the transformer. The Current Transformers are

labeled as to which phase they are to be clipped to, and the labels are matched with the

known phases. Even though the lead insulation has a wiped joint to the transformer tank,

the Current Transformers can read the tracing current. The identity of the Phase

Transmitter is recorded.

A second Phase Transmitter is installed at the other transformer in the same way.

Some distance away, a Phase Receiver is connected to two phases of one cable whose

phases are to be determined. Tracing current is sent through one of the connected phases,

flows through the transformer’s ground, and returns through the second connected phase.

The tracing current is detected by two of the Phase Transmitter’s three Current

Transformers. The Phase Transmitter transmits to the Phase Receiver the phases that the

tracing current is detected on. The Phase Transmitter then displays the phase OF THE

UNCONNECTED PHASE so the cable may be labeled and spliced. To display a phase,

the following must occur.

Frequency of tracing current detected must match frequency that

is being emitted.

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Power Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide

May 2012 Power Systems Integrity, Inc. 5

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Tracing current must be detected on exactly two Current

Transformers.

No tracing current may be detected on the third Current

Transformer

The process is repeated for the other end of the cables.

When each phase cable is “in connectors”, that is after the phase copper has been crimped

to splice the cable and before the lead shields have been connected, the tracing current is

applied again. In this case, both Phase Transmitters will detect tracing current and

transmit the phase to the Phase Receiver. Both phases should match, which verifies that

the phase cable is correctly identified.

A permanent record is stored of the verification. The permanent record is uploaded to a

server in a remote location. All verification tests are available to be viewed as needed,

sorted by time and the identity of the Phase Receiver used for the verification.

4 Phase Receiver Operation The DLPID Phase Receiver generates tracing current, communicates using wireless with

a set of two Phase Transmitters located at remote locations, and displays the phase

tracing current is received upon by the Phase Transmitters.

The DLPID Phase Receiver requires 120VAC power at 3A to operate. The Phase

Receiver may be operated on line power, from a generac, or using an inverter rated for at

least 1000 Watts.

The DLPID Phase Receiver tracing current is emitted when the RUN/ISOLATE switch is

in the RUN position. The tracing current is limited to no more than 9.0 Volts under all

conditions. Tracing current may range from 0.1 to 9.0 Amps output depending on the

impedances of the cables under test. The Phase Receiver tracing current output can

operate into a short circuit indefinitely without damage.

The DLPID Phase Receiver is provided with a 25 foot cord with a NEMA L1-15

twistlock receptacle for tracing current output. A 5 foot cable with alligator clips is

provided to make connections to the cable under test. Optional extension leads can be

supplied in 25 foot increments, up to 100 feet total.

The Phase Receiver uses a cellular modem to interact with the Phase Transmitters. The

cellular modem is automatically turned on and managed by the Phase Receiver. The

“Network Ready” lamp indicates cellular modem status; when this lamp is on steady the

Cellular modem is operating and ready for use. Additional details about the cellular

modem’s operation are available on LCD Page 3 described in Section 4.10.3.

The Phase Receiver is water resistant but is not waterproof. Do not operate the Phase

Receiver where it will be exposed to heavy rain or water ingress. If circumstances require

operating the Phase Receiver in adverse weather conditions, provide protection against

direct rain or heavy snow. If the Phase Receiver gets excessively wet, dry it before

closing the roadcase to prevent mold and mildew growth.

Page 9: Dead Line Phase Identification SystemPower Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide May 2012 Power Systems Integrity, Inc

Power Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide

May 2012 Power Systems Integrity, Inc. 6

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4.1 System Setup

Plug the Phase Receiver into a 120VAC source. Check the RUN/ISOLATE switch is in

the ISOLATE position. Switch the Phase Receiver on. The Phase Receiver takes

approximately one minute to complete its internal tests and start up. While this is taking

place, remove the output cable from the roadcase to allow proper airflow.

The Phase Receiver cellular modem is automatically switched on. When the “Network

Ready” lamp illuminates steady the cellular modem is active. The cellular modem is used

to interact with the Phase Transmitters.

The Phase Receiver displays LCD Page 1, which is the overall status. To change pages

press the number key that matches the page you want to view, see Section 4.10. To

increase the display contrast, press the “A” key. Press the “B” key to decrease contrast.

To increase the display backlight press the “C” key while the “.” key reduces the

backlight. To reset the contrast and backlight to the starting values, press the “#” key.

4.2 Using Memorized Phase Transmitters and Cable Type

The DLPID system equipped with V1.3 or later software can use a memorized set of

Phase Transmitters. When a set of Phase Transmitter serial numbers have been

memorized as described in section 4.5 these Phase Transmitters will be automatically

selected when the DLPID Phase Receiver is turned on. In this case there is no need to

select the Phase Transmitters as described below, as the selection is already made.

The type of cable, rubber or lead, is also memorized when the Phase Transmitter serial

numbers are stored. The cable setting is also automatically recalled when the DLPID

Phase Receiver is turned on. In this case there is no need to select a cable type as

described below.

Should the cable type that has been memorized not be appropriate, change cable types as

described below. This does not reset the memorized cable type. To change the

memorized cable type, follow the steps in section 4.5 to memorize the Phase Transmitter

serial numbers as this also memorizes the cable type in use.

4.3 Selecting Rubber or Lead Cable Mode

When using memorized cable mode you don’t need to select the cable mode as this

section describes, unless your measurements are on a different cable type.

When using memorized Phase Transmitter serial numbers the Cable Type in use when

the Phase Transmitter serial number was memorized is also stored. Changing the cable

type is only needed when working with different cable than shown on the LCD screen.

The DLPID system is usable on rubber insulated or lead jacketed cables. The difference

between the cable types is that rubber insulated provides access to the center phase

copper for current measurements at the cable terminations, while lead jacketed cable uses

a conductive outer jacket that is electrically connected (wiped) to the transformer tank.

Examples of what is called Rubber insulated cable would be any cable with a polymeric

insulating jacket, including XLP cables.

After memorizing Phase Transmitter serial numbers the DLPID Phase receiver uses the

cable type that was active when the Phase Transmitter serial numbers were stored. If

Page 10: Dead Line Phase Identification SystemPower Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide May 2012 Power Systems Integrity, Inc

Power Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide

May 2012 Power Systems Integrity, Inc. 7

100 Otis St, Northborough, MA 01532

(508) 393-1655 Tel (508) 393-1887 Fax

Phase Transmitter serial number have never been stored, the DLPID Phase Receiver

defaults to rubber cable mode on startup. The operating mode is always shown on LCD

Page 1.

Changing cable mode is temporary and will be reset to the memorized cable mode when

the DLPID Phase receiver is turned off. To memorize a different cable mode, follow the

steps in section 4.5 to memorize Phase Transmitter serial numbers as this also memorizes

the cable mode in use.

To shift to lead cable mode, press the ‘2’ button. The LCD displays Page 2 to allow

changing the system mode.

Press the ‘*’ button to change to lead cable mode.

Then press the ‘#’ button to confirm the change. Press the ‘1’ button to redisplay LCD

Page 1.

Page 11: Dead Line Phase Identification SystemPower Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide May 2012 Power Systems Integrity, Inc

Power Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide

May 2012 Power Systems Integrity, Inc. 8

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Power Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide

May 2012 Power Systems Integrity, Inc. 9

100 Otis St, Northborough, MA 01532

(508) 393-1655 Tel (508) 393-1887 Fax

To shift from lead cable mode to rubber cable mode the process is similar. Press the ‘2’

button. The LCD displays Page 2 to allow changing the system mode.

Press the ‘*’ button to change to rubber cable mode.

Then press the ‘#’ button to confirm the change. Press the ‘1’ button to redisplay LCD

Page 1.

Note that the RUN/ISOLATE switch must be set to ISOLATE to change the system

mode. LCD Page 2 prompts to switch to ISOLATE if needed.

4.4 Selecting Phase Transmitters

When using memorized Phase Transmitter serial numbers you don’t need to enter the

Phase Transmitter serial numbers as this section describes.

Page 13: Dead Line Phase Identification SystemPower Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide May 2012 Power Systems Integrity, Inc

Power Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide

May 2012 Power Systems Integrity, Inc. 10

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The Phase Receiver must be told which Phase Transmitters are receiving its tracing

current. If the Phase Transmitters in use are different from the memorized serial numbers

this process must be done each time the Phase Receiver is switched on. The crew that

positioned the Phase Transmitters must tell the Phase Receiver crew the Phase

Transmitter serial numbers.

The Phase Receiver can receive phases from two Phase Transmitters at the same time.

These are called the Left and Right sides. The Left side uses the left portion of the Page 1

screen, and keypad keys 4 and 7. The Right side uses the right portion of the Page 1

screen, and keys 6 and 9.

Note: The procedure below uses the Left side as an example. To use the Right side,

substitute key “6” instead of key “4”.

Step 1. Press the “4” key to select the Left Side Detail Page.

Step 2. Notice that no Phase Transmitter is selected. Press “*” to display a list of all

Phase Transmitter units. (You will not be able to change screens or change display

contrast and backlight while selecting a Phase Transmitter until the selection process is

either completed or cancelled.)

Step 3. Press “A” or “C” to highlight the Phase Transmitter that is on your left. The “A”

key rolls the list down while the “C” key rolls the list up. Keep pressing “A” or “C” until

the Phase Transmitter serial number is highlighted.

Step 4. When the Phase Transmitter that has been located on your left is highlighted,

press the “#” key to select it, or press the “B” key to both select and memorize it.

Note: Pressing the “B” key will memorize both Phase Transmitter serial numbers, even

the side that is not shown. The cable type, rubber or lead, is also memorized.

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If you select the wrong Phase Transmitter, follow the same procedure to change the

Phase Transmitter to the correct one.

Note: If you do not want to select a Phase Transmitter, press the “*” key to cancel the

selection process.

To disconnect from a Phase Transmitter, select “NONE” from the list of Phase

Transmitters. The “·” button quickly jumps to “NONE”. Remember to press “#” after

selecting “NONE”. Pressing “B” after selecting “NONE” will memorize “no Phase

Transmitter on this side”.

Repeat the procedure for the Right side, if you are using two Phase Transmitters. Note

that the same Phase Transmitter cannot be selected for the Left and Right side.

After your selections are complete, the Phase Receiver calls each Phase Transmitter that

you want to use to tell the Phase Transmitter to wake up and begin sending phases. This

can take up to five minutes, or longer depending on the sleep time set into the Phase

Transmitters (see Section 5.8).

Check the overall status LCD screen, Page 1, to find out the status of the Phase

Transmitters. The words under the Phase Icon show the status of that Phase Transmitter.

When a Phase Transmitter has woken up and is sending phases its status word will be

“Online”. When both Phase Transmitters show “Online” you are ready to begin phasing

cables.

4.4.1 Phase Transmitter Status

The Phase Transmitter status is displayed on Page 1 (overall status) and detailed on Page

4/6 (detail page). The status messages are described below.

Phase Icon

shown on Pg. 1

Text Used

on Pg 4 & 6

Description

No Unit

Selected

No Phase Transmitter has been selected for this side. To

receive phases, use the detail page to select a Phase

Transmitter as described above.

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Power Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide

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Waiting To

Dial

This Phase Transmitter is selected, and a message is

being prepared to wake it up.

The word “Dialing” alternates with the serial number of

the Phase Transmitter that is selected.

Waiting for

Connection

This Phase Transmitter is selected, and a command to

wake up has been sent. If the Phase Transmitter has not

connected in a few minutes, it will be commanded to

wake up again. The detail page shows the time remaining

until another command to wake up will be sent.

The word “Calling” alternates with the serial number of

the Phase Transmitter that is selected.

Online This Phase Transmitter is active, and has sent data within

the last 2 minutes. The detail page shows the time the

most recent data was received.

After a phase has been detected, a Phase Icon will

display instead of the “?” unknown phase.

Offline This Phase Transmitter is selected, but no data has been

received within the last 2 minutes. The Phase Transmitter

will automatically reconnect. As with any wireless or

cellular system, occasional communication dropouts are

expected.

Unable to

Connect

This Phase Transmitter has been selected, three attempts

have been made to wake it up, but no response has been

received. Recheck the detail page to ensure the correct

Phase Transmitter has been selected.

4.5 Memorizing Phase Transmitters and Cable Type

Memorized Phase Transmitter serial numbers are automatically selected as soon as the

Phase Receiver is switched on. The type of cable, rubber or lead, is also selected.

To memorize the Phase Transmitter serial numbers and cable type in use, first select the

cable type that is to be memorized. Follow the steps in Section 4.3 to select the cable

type.

Next follow the steps in Section 4.4 to select the Left side Phase Transmitter serial

number. Press the ‘B’ key once the serial number has been highlighted to memorize the

serial number.

Again follow the steps in Section 4.4 to select the Right side phase transmitter, this time

substituting the ‘6’ key for the ‘4’ key. Press the ‘B’ key once the serial number has been

highlighted to memorize the serial number.

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Power Systems Integrity, Inc. Dead Line Phase Identification System Dual-Mode Operation and User’s Guide

May 2012 Power Systems Integrity, Inc. 13

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After memorizing the serial numbers and cable mode, wait 2 minutes before switching

the Phase Receiver off to allow the values to stored into non-volatile memory.

Note: Memorizing either the Left or Right Phase Transmitter serial number memorizes

both Phase Transmitter serial numbers as well as the cable type selection.

4.6 Sending Tracing Current

DANGER: NEVER INJECT TRACING CURRENT INTO AN

ENERGIZED CIRCUIT. FOLLOW ALL COMPANY PROCEDURES

AND REQUIREMENTS IN THE PRESENCE OF VOLTAGE.

The Phase Receiver sends tracing current at a selection of frequencies that cannot occur

in a 60-Hz (or 50-Hz) distribution system, even if harmonics are present. The Phase

Receiver automatically selects frequencies. The usage of different frequencies improves

the distance over which phasing can be accomplished by automatically adapting to

different types of cables, and prevents phasing if a Phase Transmitter is incorrectly

selected.

4.6.1 Rubber Cables

Tracing current requires that a complete loop be made in order for current to flow. When

phasing rubber cables the loop is made up of (1) the cable that is to be phased; (2) the

transformer’s internal primary ground; (3) the neutral straps in all 3 cables; and (4) the

Phase Receiver itself. The transformer’s ground must remain applied while phase

measurements are made.

The phase displayed on the Phase Receiver is the phase of the cable that has the alligator

clip attached. If the Phase Receiver shows ‘A’ tag the cable with ‘A’.

To send tracing current attach the alligator clip cord to the Phase Receiver twist lock

receptacle. Clip the black alligator clip to the cables’ concentric neutral straps. Clip the

red alligator clip to the cable’s phase copper. It is permissible to use a copper nail to

make the connection instead of stripping the semiconductor back.

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Figure 3. Connecting to Cable Ends to inject Tracing Current on Rubber Cables

Switch the RUN/ISOLATE switch to RUN. The Output Active lamp illuminates,

indicating that the Phase Receiver is emitting tracing current. The overall status LCD

screen, Page 1, shows the frequency that is being emitted in the center of the screen.

When you want to send tracing current on a different cable, switch to ISOLATE. Move

the alligator clips to the desired cable, then switch back to RUN.

NOTE: Ensure that you switch to ISOLATE before moving the alligator clips. Switching

to ISOLATE interrupts the tracing current, and tells the Phase Receiver that you are

moving to a different cable.

NOTE: The loop at the Phase Transmitter end is provided by the transformer primary

ground lever being moved to “ground”. If phasing cables that are not yet terminated,

connect all the phase copper and neutral straps together with temporary wires.

NOTE: Connecting together the concentric neutral straps of all the cables to be phased

can improve the loop for tracing currents to flow without changing the measurements.

DO NOT connect different phase’s phase copper together at the location tracing current

is injected. This will result in erroneous readings.

To receive phases, the following checks must be met:

Frequency of tracing current detected must match frequency that

is being emitted.

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Tracing current must be detected on only one Current

Transformer.

No tracing current may be detected on the other two Current

Transformers

4.6.2 Lead Cables

Tracing current requires that a complete loop be made in order for current to flow. When

phasing lead cables the lead shields of the cables are not used to carry tracing current, as

the internal phase copper cannot be accessed. The loop is made up of (1) the phase

copper of a cable that is to be phased; (2) the transformer’s internal primary ground; (3)

the phase copper of a second cable that is to be phased; and (4) the Phase Receiver itself.

The transformer’s ground must remain applied while phase measurements are made.

The phase displayed on the Phase Receiver is the phase of the cable that does not

have any alligator clips attached. If the Phase Receiver shows ‘A’ tag the cable that has

no alligator clips with ‘A’.

To send tracing current attach the alligator clip cord to the Phase Receiver twist lock

receptacle. Clip the black alligator clip to the phase copper one of the three cables to be

phased, and the red alligator clip to a different cable’s phase copper. It is permissible to

use a copper nail to make the connection instead of stripping the lead back. Remember

the phase received is that of the cable that has no alligator clips attached.

Switch the RUN/ISOLATE switch to RUN. The Output Active lamp illuminates,

indicating that the Phase Receiver is emitting tracing current. The overall status LCD

screen, Page 1, shows the frequency that is being emitted in the center of the screen.

When you want to send tracing current on a different cable, switch to ISOLATE. Move

the alligator clips to the desired cables, then switch back to RUN.

NOTE: Ensure that you switch to ISOLATE before moving the alligator clips. Switching

to ISOLATE interrupts the tracing current, and tells the Phase Receiver that you are

moving to a different cable.

NOTE: The loop at the Phase Transmitter end is provided by the transformer primary

ground lever being moved to “ground”. If phasing cables that are not yet terminated,

connect all the phase coppers together with temporary wires. It is not necessary to

connect the lead shields; if desired the lead shields may be connected to the phase

coppers.

DO NOT connect different phase’s phase copper together at the location tracing current

is injected. This will result in erroneous readings.

To receive phases, the following checks must be met:

Frequency of tracing current detected must match frequency that

is being emitted.

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Tracing current must be detected on exactly two Current

Transformers.

No tracing current may be detected on the third Current

Transformer.

REMEMBER the phase displayed is that of the cable that has no alligator clips attached.

4.7 Receiving Phases

The Phase Receiver automatically receives phases from each Phase Transmitter unit as

long as it is emitting tracing current. The first phase update takes about 30 seconds after

switching to RUN (this extra time is used to synchronize the Phase Transmitters), then

updates are made about every 20 seconds. The number of successful phase receptions is

shown by the Signal Quality graph on Page 1. A higher Signal Quality indicates that

more verifications of the displayed phase have been made. Four phase measurements are

needed to get 100% Signal Quality.

The Phase Receiver shows which phase that tracing current is detected on. This is shown

on the overall status LCD screen, Page 1, as the Phase Icon. The left Phase Transmitter’s

icon is on the left side of the screen. The Icon will indicate “1”, “2”, or “3” (or “A”, “B”,

“C” depending on the phase naming at your utility). To display a Phase Icon checks must

be met as described in section 4.6.1 for Rubber cable mode or section 4.6.2 for Lead

cable mode.

If the phase cannot be determined a “?” will display.

When you are phasing a cable that has not yet been spliced only one Phase Transmitter

will measure tracing current and send phases to the Phase Receiver. The other Phase

Transmitter will indicate “?” as no tracing current is detected. You will need to check

each portion of the cable individually in this case.

Before moving the alligator clips to a different set of cables, switch to ISOLATE. The

Phase Icon will change to include a diagonal line. This indicates the Phase Icon displayed

is no longer updated. The Phase Icon will continue to display the phase that was most

recently determined, with the diagonal line, until you switch to RUN.

Phase Icon

shown in RUN

Phase Icon shown

in ISOLATE

Description

Cable phased. The phase determined by the Phase

Transmitter corresponds to the “A” Phase Current

Transformer.

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Cable phased. The phase determined by the Phase

Transmitter corresponds to the “B” Phase Current

Transformer.

Cable phased. The phase determined by the Phase

Transmitter corresponds to the “C” Phase Current

Transformer.

No Phase can be determined at this point. If you

have just switched to RUN, a new phase is being

measured which takes about 30 seconds.

If you have been in RUN for over 1 minute,

recheck your connections to make sure tracing

current can flow.

4.8 Verify Mode: Checking Cables “In Connectors”

4.8.1 Rubber Cable Mode

When the cable is “in connectors” with the phase copper spliced, the connections may be

verified by sending tracing current to both Phase Transmitters at the same time. This

verifies that the phase copper has been phased correctly. This test is easiest after the

phase copper is spliced but before concentric neutral is spliced. Install a temporary bond

wire between both sides of the cable’s concentric neutral straps where you will later

splice. Reconnect the alligator clips with the black clip to the cable’s concentric neutral

straps and the red clip to the spliced phase copper. Switch to RUN to begin. Section 4.8.3

shows the verification measurement procedure.

In some cases only one Phase Transmitter will show phases when checking the cables “in

connectors”. This happens when one Phase Transmitter hogs the tracing current. If this

happens, disconnect the temporary wire between the concentric neutral straps, and move

the black alligator clip to each cable’s concentric neutral straps in turn. Make sure that the

same phase icon appears on each side. You will not be able to send a Phase Verification

message in this case.

4.8.2 Lead Cable Mode

After splicing the three phase coppers, the connections may be verified by sending

tracing current to both Phase Transmitters at the same time. This verifies that the phase

copper has been phased correctly. This test is easiest after the phase copper is spliced and

before the lead shields are reapplied. Reconnect the alligator clips with the black clip to

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one phase cable’s copper and the red clip to a different phase cable’s copper. Switch to

RUN to begin. Section 4.8.3 shows the verification measurement procedure.

REMEMBER the phase shown on the Phase receiver is the phase of the cable with no

alligator clips applied.

In some cases only one Phase Transmitter will show phases when checking the cables “in

connectors”. This happens when one Phase Transmitter hogs the tracing current. You will

not be able to send a Phase Verification message in this case.

4.8.3 Verification Measurements

Check the overall status on LCD Page 1. Both sides of the screen should show the same

phase icon. Allow the Signal Quality for both sides to build up to 100% to perform a

Phase Verification. This will take 1 to 2 minutes.

When the Signal Quality builds to 100% for both the Left and Right Phase Transmitters,

and the displayed phase is the same on both sides, a Phase Verification measurement can

be made. Page 1 will display the text “Press 5 to Verify”. Press the “5” button to make

the Phase Verification.

You will be prompted to switch to ISOLATE to confirm the Phase Verification. After

switching to ISOLATE, the Phase Verification will be saved into the Phase receiver and

sent to a remote location. The Phase Verification shows the serial number of the Phase

Receiver and both Phase Transmitters, the phase that was measured, and the time the

Phase Verification was made. See Section 5.9 for details. When the Phase Verification

messages have been saved and uploaded, each step shows “OK”.

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At this time you can repeat the Phase Verification for the other phases.

4.9 Indicator Lamps

4.9.1 Output Active

The Output Active lamp illuminates steady when the Phase Receiver is emitting tracing

current. Switch the RUN/ISOLATE switch to RUN to emit tracing current, and switch to

ISOLATE to stop the tracing current.

Do not disconnect the alligator clips when the Output Active lamp is on. Switch to

ISOLATE first.

If the Output Active lamp flashes the output circuit has become overheated. Switch the

RUN/ISOLATE switch to ISOLATE (the Output Active lamp will go out), then see

Section 4.9.3 to correct the overheated condition.

4.9.2 Network Ready

The Network Ready lamp will illuminate steady when the cellular modem is on line and

is ready for usage. The cellular modem may take up to two minutes to go online when the

Phase Receiver is switched on. If the Network Ready lamp never illuminates, check LCD

Page 3 for details of the cellular system status (see Section 4.10.3).

4.9.3 Over Heat

If the Over Heat lamp illuminates either steady or flashing, the output circuits have

become overheated. The temperature of the output circuits is continuously monitored and

is displayed as a bar graph on LCD Page 1, and in degrees on LCD Page 2.

If the Over Heat lamp flashes, switch the RUN/ISOLATE switch to ISOLATE. The lamp

will then illuminate steady.

Should the Over Heat lamp illuminate steady, check to see that the air intake and exhaust

on the inside of the Phase Receiver roadcase are obstructed. Remove the output cable if it

is still inside the roadcase storage area, as the air intake and exhaust are located in this

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area as well. Hold your hand adjacent to the exhaust grill (located towards the front) to

feel if air is circulating. If air is circulating, a heavy load may have caused the output

circuits to overheat. Waiting a few minutes for the circuits to cool will allow the Over

Heat light to extinguish, then tracing current can again be emitted. While waiting leave

the Phase Receiver switched on to keep the cooling fan running. If air is no longer

circulating the cooling fan is faulty and the Phase Receiver will require repair.

4.10 LCD Screen Pages, Keypad Usage

The LCD screen can show several different sets of

information which are called pages. Change displayed

pages by pressing the number key that corresponds to the

page you want to view. Some number keys have multiple

pages, in which case pressing the same number key

changes between the sub pages.

The page number is always displayed on the LCD screen. Usually the page number is

shown in the lower left corner (except for Page 1, where it is in the lower center of the

page). If multiple pages are available for a single number key, the page is shown as “7A”,

“7B”, etc.

To change the LCD screen contrast, use the “A” and “B” keys. The LCD contrast is

shown on LCD Page 2.

To change the LCD screen backlight intensity, use the “C” and “.” keys. The backlight

intensity has 8 steps, plus off. The backlight intensity is shown on LCD Page 2.

To reset the LCD contrast to medium and turn off the backlight, press the “#” key.

When selecting a Phase Transmitter serial number, the LCD contrast and backlight

cannot be changed as the same keys are used. Make your adjustments to the LCD contrast

and backlight first.

The keys on the keypad do not have key repeat. Holding the key down is the same as

pressing it once.

4.10.1 Page 1, Overall Status

This page displays the information needed to determine cable phases. The LCD screen is

divided into a Left side for the Left Phase Transmitter, a Right Side for the Right Phase

Transmitter, and the center used for information important to both the Left and Right

side.

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The system mode is shown on the second line. This will display either Rubber Cable

Mode or Lead Cable Mode.

A Phase Icon displays for the Left and Right Phase Transmitter Units. The Phase Icon

may be “X” meaning that no Phase Transmitter is selected; a “phone symbol” meaning

that the Phase Receiver is connecting to the Phase Transmitter; a “?” question mark

meaning that the Phase Transmitter is on line but the cable’s phase cannot be determined,

or one of “A” “B” “C” (or “1”, “2”, “3”) showing the phase that tracing current is being

received upon.

When a Phase Transmitter is On Line, a Signal Quality vertical bar graph appears

adjacent to the Phase Icon, and the Signal Quality is shown in percent. Signal Quality is

measured by the number of times that the same phase is detected at a different tracing

current frequency. Each additional time the same phase is detected at a different

frequency the Signal Quality increases to a maximum of 100%. Good practice involves

letting the signal quality build up to 100% before tagging a cable’s phase, which makes

sure that an incorrect Phase Transmitter has not been selected.

The bottom lines show the tracing current output status (OFF or ON) and the output

frequency if the tracing current is ON. The temperature of the output circuits is also

shown as a horizontal bar graph.

If a Phase Verification is possible, the middle lines will prompt the operator with “Press 5

to Verify”. See Section 5.9 for the requirements to perform Phase Verification.

The text under the Phase Icon indicates the state of the Phase Transmitter. The possible

states are described in Section 4.4.1. When the Phase Transmitter is Online, and a new

data message is received, the words “Rx Polyph” will briefly appear indicating new

multi-phase data has been received.

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4.10.2 Page 2, System Status

This page displays the Phase Receiver details. The serial number and software version are

shown. If the tracing current is being emitted that frequency is shown. The temperature of

the tracing current output circuits is shown.

The System Mode is changed from Rubber Cable Mode to Lead Cable Mode using Page

2. To change the system mode, switch to ISOLATE. Press the ‘*’ button to display the

new system mode, then the ‘#’ button to confirm the change. Details of changing the

system mode are in section 4.2.

4.10.3 Page 3, Cellular Status

This page shows the cellular modem status. If the cellular modem is not yet ready for use,

the page will display “CDMA Not Ready”.

When the cellular modem is ready for use, the page displays the cellular signal strength,

IP address that has been assigned, and the cell tower that is in use (the “Side” and the

“SID”).

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The cellular mode is “provisioned” to allow it to operate on the cellular network. On

occasion, such as if the cellular phone number has been changed, the cellular modem will

need to be reprovisioned. The cellular modem may be reprovisioned by displaying Page 3

then pressing the ‘*’ button to request reprovisioning.

After requesting to reprovision, press the ‘#’ button to confirm the request. The

reprovisioning process takes approximately 3 minutes during which time the Network

Read LED will extinguish. Once reprovisioning is complete, the cellular modem will

reconnect to the cellular network and the Network Ready LED will illuminate steady.

4.10.4 Pages 4 & 6, Phase Transmitter Selection & Status

At startup, no Phase Transmitter is selected. The LCD page is shown below. A Phase

Transmitter must be selected to perform phasing.

Press the “*” key to show a list of all Phase Transmitters, then use “A” or “C” keys to

highlight the correct Phase Transmitter.

Press the “#” key to select the highlighted Phase Transmitter. The Phase Transmitter is

sent a message to tell it to wake up. After a short delay, the Phase Transmitter

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Information page is shown. Before the Phase Transmitter is online some of the data

cannot be filled in and will show as never, not known, or dashes.

Press the “B” key to memorize the selected Phase Transmitter. The memorized Phase

Transmitter will be automatically recalled when the Phase Receiver is switched on.

With the Phase Transmitter on line, the detail page shows the time the most recent data

was received. The Phase Transmitter’s battery remaining is also shown. When the Phase

Transmitter battery reduces to 0% approximately one more hour of Online operation is

possible.

The most recent data message type is shown in the top right, in this case Polyphase Data

(which is a measurement on all three Current Transformers). The time since the data was

received is also shown, in this case 32 seconds.

4.10.5 Pages 7 & 9, Phase Transmitter Graphs

The data received from the left Phase Transmitter is shown graphically on Page 7 (the

Right is on Page 9). The Phase Transmitter measures tracing current on its three Current

Transformers. Each Current Transformer has a dedicated page, which can be selected by

repeatedly pressing the “7” key. The Page will be displayed as “7A” (corresponding to

the Current Transformer labeled “A”), then “7B”, then “7C”, then “7A” again, and so on.

Two waveforms are superimposed. The oscilloscope waveform is indicated by the letter

“T” attached to its left end. The spectrum analysis waveform is indicated by an “F”

attached to its right end. Frequencies detected in the oscilloscope waveform are shown as

vertical lines in the spectrum waveform with the line’s height proportional to the

magnitude of the signal, lower frequencies shown towards left side and higher

frequencies towards the right side.

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If any frequency is detected, it is shown in the table on the far left. This table lists

frequencies and their amplitude, sorted by amplitude. In this case, the Input is “C”

corresponding to the Left Phase C Current Transformer. The Frequency detected is 45Hz,

with a magnitude of 29%. The single vertical line corresponds to 45Hz in the Frequency

waveform (remember, lower frequencies appear to the left, higher to the right).

4.11 Operation Notes

The DLPID Phase Receiver requires 120VAC power at 3A to operate. The Phase

Receiver may be operated on line power, from a generac, or using an inverter rated for at

least 1000 Watts.

The Phase Receiver sends tracing current at a selection of frequencies that cannot occur

in a 60-Hz (or 50-Hz) distribution system, even if harmonics are present.

The tracing current is limited to no more than 9.0 Volts under all conditions. Tracing

current may range from 0.1 to 9.0 Amps output depending on the impedances of the

cables under test.

The Phase Receiver must be told which Phase Transmitters are receiving its tracing

current.

DO NOT connect different phase’s phase coppers together or the phase results will be

wrong.

If the phase cannot be determined a “?” will display. This means that the Phase

Transmitter is not detecting tracing current. Allow at least 30 seconds after switching to

RUN for the first phase measurement to be made.

In order to send tracing current a loop must exist. The loop may be through a permanent

facility such as the ground applied to a transformer primary or the loop may be made in a

temporary manner such as through using bonding wire at the ends of an unterminated

cable.

If the Over Heat lamp illuminates steady, make sure the air intake and exhaust on the

inside of the Phase receiver roadcase are not obstructed.

To change LCD Pages showing different information use the number keys. There is no

Page 0 or Page 8.

To change the LCD screen contrast, use the “A” and “B” keys.

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To change the LCD screen backlight intensity, use the “C” and “.” keys.

5 Phase Transmitter Operation The DLPID Phase Transmitter receives tracing currents, measures the tracing currents,

and transmits the tracing current information to the Phase Receiver.

The Phase Transmitter uses an internal Cellular Modem to interact with the DLPID

system. Position the Phase Transmitter near a grate if used underground, such as in a

vault. Check the modem signal strength before closing the roadcase as described in

Section 5.5.2 to ensure that the Cellular Modem will work correctly.

When a Phase Transmitter has been deployed but is not active, it can run in a low-power,

battery-conserving mode. Activation is automatic when a Phase Receiver needs phasing

information. The Phase Transmitter wakes up every 5 minutes (adjustable, see Section

5.8.1) to see if a command from a Phase Receiver to switch on is waiting. If no command

to wake up is present, the Phase Transmitter then goes back to sleep. While sleeping the

LCD screen displays “Sleeping” and counts down the number of seconds until wake-up.

While sleeping, pressing any navigation switch immediately “Wakes Up” the Phase

Transmitter. The Phase Transmitter may also be operated from its AC-powered battery

charger in which case the low-power mode is not used, and the Phase Transmitter may be

left deployed indefinitely.

The Phase Transmitter incorporates an LCD screen to show status messages. Two

navigation switches are provided. The LEFT/RIGHT navigation switch below the LCD

screen changes which information is displayed on the LCD. The UP/DOWN navigation

switch is used to change the values of the setpoints displayed on the LCD screen,

described in Section 5.8.

NOTE: The Phase Transmitter is housed in a weather-resistant roadcase enclosure. The

roadcase MUST be closed and latched, the Current Transformer plug or the connector

cap MUST be installed, and the air vent MUST show a red triangle to provide weather

resistance. The Phase Transmitter roadcase is resistant to rain, snow, oils, dirt, splashing,

etc, but is not submersible.

Descriptions of several methods of setting up the Phase Transmitter follow. There are

many other ways to use the Phase Transmitter. If using a different method, ensure that the

Current Transformers are correctly applied to the phases and ensure that a loop exists for

tracing current.

5.1 Connecting the Current Transformers

Remove the Current Transformers from the roadcase. Make sure that the battery charger

is not accidentally lost at this time. Remove the Current Transformer connector cap, and

connect the Current Transformer plug. Turn the outer plug clockwise until it “clicks”,

locking into place. Locking the outer plug makes sure that the connector is weather-

resistant, and prevents the plug from coming disconnected from vibrations, etc.

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Figure 4. Current Transformer connector on Phase Transmitter

5.2 Current Sensor Installation at Transformers with Rubber Cables

Ensure that the transformer primary is grounded and locked. If the primary is not

grounded there is no path for tracing current, and the Phase Transmitter will not work.

Attach the Current Transformers to the three transformer primary leads.

DANGER: NEVER USE THE CURRENT TRANSFORMERS ON AN

ENERGIZED PRIMARY. FOLLOW ALL COMPANY

PROCEDURES AND REQUIREMENTS IN THE PRESENCE OF

VOLTAGE.

IMPORTANT: Make certain that the phases marked on the Current Transformers match

the phases marked on the transformer. If the Current Transformer phasing does not match

the transformer phasing the Phase Transmitter will send incorrect phase information.

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Figure 5. Proper Installation of Current Transformers at Transformer Elbows

IMPORTANT: Connect the current transformer adjacent to the elbow, between the

elbow and the concentric neutral take-off. The stranded concentric neutral wires that are

twisted together carry the tracing current return and will cause measurements to be

unreliable if they are inside the CT. The single-strand drain wire does not carry current

and does not change the measurements. This is more clearly shown in Figure 6.

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Figure 6. Current Transformer installed on Elbow Detail. The elbow is shown without tape for clarity.

Once the Current Transformers have been installed, follow the rest of the setup procedure

in Section 5.5.

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5.3 Current Sensor Installation at Transformers with Lead Cables

Ensure that the transformer primary is grounded and locked. If the primary is not

grounded there is no path for tracing current, and the Phase Transmitter will not work.

Figure 7. Primary connections showing Lead cables wiped to transformer.

Attach the Current Transformers to the three transformer primary leads.

Figure 8. Current Transformers applied to wiped lead connections.

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DANGER: NEVER USE THE CURRENT TRANSFORMERS ON AN

ENERGIZED PRIMARY. FOLLOW ALL COMPANY

PROCEDURES AND REQUIREMENTS IN THE PRESENCE OF

VOLTAGE.

IMPORTANT: Make certain that the phases marked on the Current Transformers match

the phases marked on the transformer. If the Current Transformer phasing does not match

the transformer phasing the Phase Transmitter will send incorrect phase information.

Once the Current Transformers have been installed, follow the rest of the setup procedure

in Section 5.5.

5.4 Current Sensor Installation for Cables

The Phase Transmitter can be used for verification of cables either aerial or buried,

before splicing or elbows are attached. A loop for tracing current must be established at

the Phase Transmitter end of the cable to be verified, then the Current Transformers can

be installed on that loop.

5.4.1 Create Loop for Tracing Current

Figure 9. Current loops used when phasing unterminated cables.

To make a loop at the Phase Transmitter end of the cable, the center copper conductors

and the concentric neutral straps must be connected together. Use bonding wire and

copper nails as needed to make connections.

Temporarily tie all the concentric neutrals together to make a return path for tracing

current.

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Separately tie each phase copper center conductor to the bundled concentric neutrals.

Insulate the copper conductors and tie wires if they could touch each other. This makes a

loop on each phase for tracing current.

Note: The picture shown is of tri-plex cable, which is no longer used for new

installations. The method of installing bond wire to make a loop for tracing current is the

same for bundled three-conductor cable. The Current Transformers are not shown but

would be connected on the bond wires between the copper nails and the concentric

neutral jumper.

5.4.2 Attach Current Transformers

Clip each Current Transformer onto the tie wire between its phase copper and the

concentric neutral bus. Make sure that the phase copper and the tie wires to the concentric

neutral are insulated from each other. If the phase copper conductors touch each other, a

sneak path for the tracing current can happen. This will make the phases indicate

incorrectly.

Once the Current Transformers are installed, follow the rest of the setup procedure in

Section 5.5.

5.5 Phase Transmitter Setup

5.5.1 Install Current Transformers

Follow the procedure in Section 5.2 to install the Current Transformers in a location

where a transformer is already installed, or in Section 5.3 to install the Current

Transformers on the end of unterminated cables.

5.5.2 Cellular Modem Signal Check

Switch on the Phase Transmitter. After the Phase Transmitter startup completes, the

Phase Transmitter verifies the Cellular Modem has service. This process takes about 1

minute.

Watch the LCD screen to check the Cellular signal. One page of the LCD screen displays

Cellular Modem information. This screen displays “Modem Not Ready” while the

Cellular Modem is starting up. Then, “Modem OK” or “Modem Low Sig” is displayed. If

“Modem OK” is displayed, the Phase Transmitter is ready for use.

Should the “Modem Low Sig” be displayed the Phase Transmitter will still work, but

may be less reliable. Consider moving the Phase Transmitter roadcase to be more directly

under the grate, or further away from any cables or supports that may block the cellular

signals.

The percentage of Cellular Modem signal may be displayed using the Left/Right switch

to change pages until “Mdm RSSI” is displayed. The Cellular Modem signal strength is

then shown in percent. If the signal is less than 10% consider moving the Phase

Transmitter roadcase as described above. See Section 5.7 for more information on the

LCD screen and the information that can be displayed.

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5.5.3 Deploying the Battery Charger for long-term use

If the Phase Transmitter is to be left installed for more than 48 hours the internal battery

may be depleted before measurements are made. To prevent this the Battery Charger may

be deployed which allows for continuous usage of the Phase Transmitter. When the

battery charger is used, the Phase Transmitter will not enter Sleep Mode even if Sleep

Mode is configured.

Plug the Battery Charger into the retractile cord with the coaxial battery charger socket.

The cord and socket is attached to the twist lock connector alongside the Current

Transformer cords.

Plug the battery charger into a 120VAC source.

NOTE: The battery charger is not weatherproof. If needed, protect it by wrapping or

taping to prevent water ingress.

NOTE: Don’t use the internal battery charger connection located on the metal panel

inside the roadcase as the battery charger cord may be damaged by closing the lid. Use

the external charger connection.

5.5.4 Securing the Phase Transmitter

When the Modem Signal Check is complete, check that the battery charger is inside the

Phase Transmitter roadcase (unless the battery charger has been deployed for long-term

use). Close the Phase Transmitter roadcase lid and latch it shut. This is required to

maintain the weather resistance of the Phase Transmitter. Turn the vent knob to show the

Red triangle, which seals the vent for weather protection.

The Phase Transmitter roadcase may be padlocked, if desired, through a hole provided in

the lip by the left-hand latch.

5.6 Phase Transmitter Removal

When phasing operations are complete, remove the Phase Transmitter. If applicable,

ensure that the transformer is grounded. Open the Phase Transmitter roadcase and switch

the Phase Transmitter off.

Unclip the Current Transformers from the primary wires or tracing current loops and

wipe the Current Transformers free of dirt and moisture. Disconnect the Current

Transformer connector by rotating the outer housing counter-clockwise, and install the

protective connector cap. If moisture has accumulated inside the Phase Transmitter case,

dry it to prevent mold and mildew forming.

If the battery charger was deployed, unplug it and wipe it clean of dirt and moisture.

Store the battery charger inside the roadcase.

Store the Current Transformers and their cabling inside the Phase Transmitter roadcase,

as shown on the cover page. Check that the battery charger is inside the roadcase, close

and latch the lid. Some roadcases are equipped with a manual vent, if so equipped turn

the vent knob to show the Green triangle for storage to allow any trapped moisture inside

the roadcase to escape. Charge the internal battery at the first opportunity. See section

5.9.1 for details.

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5.7 LCD Screen Pages

The Phase Transmitter LCD screen displays different messages depending on how the

Phase Transmitter is being used. Screen displays for Self-Test are shown in Section 5.10.

Phase Transmitter LCD screen displays while in normal operation and while sleeping are

described below.

5.7.1 Normal Operation

The Phase Transmitter LCD screen automatically scrolls through a set of pages.

Additional pages of information are available by using the LEFT/RIGHT navigation

switch. A description of the LCD pages is below. Where noted, some pages have

additional details.

This screen displays the version of the software loaded into the

Phase Transmitter. When contacting PSI, Inc. for support, always

mention the software version.

This screen displays the Phase Transmitter serial number. The

serial number, together with the Phone Number, are used to

interact with the Phase Receivers.

System Status Signpost.

This screen shows the remaining capacity of the battery in percent.

See Section 5.9 for screens when the battery is being charged.

This screen shows information about the cellular modem. See

Section 5.7.2 for details.

This shows the status of the Phase Transmitter system, except for

the cellular modem. If there is a system error, a number will be

shown; contact PSI, Inc. for details on how to correct the error.

Note (The following pages are not automatically shown. Use the LEFT/

RIGHT switch to display them).

Control Setpoints Signpost. The Control Setpoints may be

changed using the procedure in Section 5.8.

This is a control setpoint, which controls the minimum length of

time that a Phase Transmitter wakes up for after Sleeping. See

Section 5.8.1 for details.

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This is a control setpoint, which controls how long the Phase

Transmitter sleeps for between checks to see if a Phase Receiver

wants phases. See Section 5.8.2 for details.

This is a control setpoint, which changes the lifetime of a request

from a Phase Receiver to the Phase Transmitter to begin

operating. See Section 5.8.3 for details.

Extended Information Signpost.

This is the telephone number of the cellular modem built into the

Phase Transmitter. The Phase Receiver sends a text message to

this phone number to wake up the Phase Transmitter.

This shows the cellular signal strength being received. This

number updates every 30 seconds. See Section 5.7.2 for details.

This indicates the cellular tower in use.

This is the local time. The time is set from the cellular system. The

time is used to control the Phase Transmitter sleeping, and the

responses to requests for phases from the Phase Receiver.

This is used to show the time zone that is in use. Daylight savings

time is automatically handled

5.7.2 Cellular Modem Signal Strength

Always check for “Modem OK” before leaving a Phase Transmitter installed. The screen

may display “Modem NotReady” if the cellular modem has not picked up a signal yet, as

the modem takes about one minute to pick up a signal when first turned on. The screen

may display “Modem LowSig”, which means that the cellular signal is low in strength.

Use the LEFT/RIGHT switch to scroll to the Mdm RSSI page and check the signal

strength; if the signal strength is less than 10% consider moving the Phase Transmitter

more directly under the grate, or away from large metal structures that may be blocking

the cellular signal.

5.7.3 Sleeping

The LCD screen displays “Sleeping” then a counter of the number

of seconds until the Phase Transmitter will wake up. Pressing any

navigation switch for at least two seconds while sleeping causes

the Phase Transmitter to immediately wake up and check for a

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command from a Phase Receiver.

Note: Sleeping is automatically disabled when the Phase Transmitter’s battery charger is

plugged in.

5.8 Configuration Setpoints

The Phase Transmitter has three configuration setpoints to change its operation. These

are described below.

To change a configuration setpoint, use the PREV/NEXT switch

to display the setpoint you want to change. Then, press the

INCREASE/DECREASE switch to MODIFY and hold until a

black square appears in the lower left corner of the LCD screen

(about 10 seconds). Release the INCREASE/DECREASE switch,

then use the INCREASE/DECREASE switch to change the value

shown on the LCD until it is what you want.

To save the changes to the setpoint, press the PREV/NEXT switch

to ACCEPT and hold until the LCD displays “Saving Done”.

If you decide not to change the setpoint, push the PREV/NEXT

switch to REJECT and hold it until the LCD screen displays

“Reject Changes”. Complete the threshold change within 3

minutes or the change will automatically be rejected.

5.8.1 On Time Setpoint

This setpoint is displayed on the LCD as “On Time 90 Sec”. This controls how long the

Phase Transmitter is awake between periods of Sleeping. The default time of 90 seconds

is set to allow 48 hours of battery life. Setting this to a longer time will make the Phase

Transmitter respond more quickly to a wake up message sent by a Phase receiver but will

drain the battery more quickly. Do not set this below 60 seconds.

If the Phase Transmitter is operated from the Battery Charger, Sleep mode is temporarily

disabled. The Phase Transmitter runs continuously without entering Sleep Mode, so this

setpoint is not used. See Section 5.9.2.

5.8.2 Sleep Time Setpoint

This setpoint is displayed on the LCD screen as “Sleep 300 Sec”. The number shown is

the number of seconds that the Phase Transmitter is in low-power sleep mode between

checks to see if a Phase Receiver is requesting phases. The default setting of 300 seconds

is set to allow 48 hours of battery life. If a longer battery life is needed, this setpoint may

be increased.

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If the Sleep Time setpoint is made longer than the Message Window setpoint (15 minutes

or 900 Seconds by default), it is necessary to also change the Message Window setpoint.

If this is not done, a request for phases from a Phase Receiver may be too old to be acted

on even though it has just been received.

To disable Sleep Mode when operating from the battery, decrease

this setpoint until “Never” is shown. The battery life will be much

shorter than with Sleep Mode enabled. Once saved, the “Never”

setting is permanent until the setpoint is again changed.

If the Phase Transmitter is operated from the Battery Charger,

Sleep mode is temporarily disabled, and the LCD screen will show

the word Sleep in parenthesis. When the Phase Transmitter is again

operated from the battery Sleep Mode will be re-enabled unless set

to “Never”. See Section 5.9.2.

5.8.3 Message Window Setpoint

The Message Window setpoint controls how long the request for phases from a Phase

Receiver is valid. The request contains the time at which it was sent. If that time if further

in the past then the Message Window the request is considered out of date, and the Phase

Transmitter will not connect to the Phase receiver to send phases.

If the Sleep Time setpoint is set to a value greater than the Message Window, the Phase

Transmitter will not reliably connect to a Phase Receiver. If the Sleep Time setpoint is

changed, the Message Window setpoint should also be changed. The suggested value for

the Message Window setpoint is two to three times the Sleep Time setpoint. Keep in

mind the Sleep Time setpoint is specified in Seconds and the Message Window setpoint

is specified in Minutes.

5.9 Phase Transmitter Battery

The Phase Transmitter contains an internal lead-acid battery to provide up to 48 hours of

standby time and 4 hours of operating time from a single charge. The battery capacity is

displayed on the LCD screen in percentage of charge remaining. Use the LEFT/RIGHT

switch to scroll to the “Battery” display on the LCD screen.

Always recharge the battery when finished using the Phase Transmitter. If the battery is

left discharged in a cold area (such as inside a truck in the winter), it may be damaged

and not hold a full charge.

NOTE: If the Phase Transmitter is sleeping, the battery capacity is not displayed. Wait

for the Phase Transmitter to wake up to determine battery capacity.

5.9.1 Charging the Phase Transmitter battery

The Phase Transmitter battery is automatically charged anytime the Phase Transmitter

battery charger is plugged in. The Phase Transmitter battery charger requires 120VAC at

0.3 Amps, and can be operated from line power, a generac, or an inverter rated at 500

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Watts or greater. The Phase Transmitter power switch should be switched OFF when the

battery is being charged and phases are not required. This allows the internal circuits to

control the amount of charge put into the battery and prevents overcharging. If you would

like to operate the Phase Transmitter powered from the battery charger, see Section 5.9.2.

When operating from the battery, the battery remaining capacity is

shown in percent. When the percent remaining decreases to 0%,

approximately one hour of battery life remains.

When the Phase Transmitter battery is charging, the Phase

Transmitter switches on automatically. Instead of a percentage of

charge, the LCD screen shows “Charging”. If phases are not

needed, switch the power switch OFF (the Phase Transmitter will

continue to run until the battery is charged).

When the battery is fully charged the LCD screen will show

“Battery Charged”. If the Phase Transmitter is left with the battery

charger plugged in, the battery will be float charged to keep it

ready for immediate usage.

NOTE: Do not close the Phase Transmitter roadcase with the battery charger plugged in,

as the battery charger wires will be pinched and damaged.

5.9.2 Operating the Phase Transmitter from the Battery Charger

When the Phase Transmitter is used to phase cables in an area where AC power is

available, the battery charger can be used for power. This allows the Phase Transmitter to

run continuously without concern for draining the battery.

Place the Phase Transmitter power switch in the “ON” position, and connect the battery

charger. The Phase Transmitter now runs off the battery charger, with the internal battery

used as a backup power source.

Note: Sleep mode is not required when running from the battery charger and is

automatically disabled while the battery charger is plugged in. When the battery charger

is unplugged, Sleep mode is re-enabled.

NOTE: Ensure that the external battery charge connector adjacent to the Current

Transformer cables is used. Do not use the internal battery charge connector on the metal

panel, as the battery charger wires will be pinched and damaged when the Phase

Transmitter roadcase lid is closed.

5.10 Current Transformer Self-Test

An internal self test for the Current Transformers has been included. This is used to

ensure that all three Current Transformers are operating correctly.

The Self Test requires a current source of between 0.5 and 2.0 Amps AC. An

incandescent drop light connected to a generac, an inverter, or plugged in is suggested.

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NOTE: The Current Transformer must clip around one of the two wires to the drop light,

either Hot or Neutral. Clipping the Current Transformer around both wires will not work.

NOTE: The Phase Transmitter will not transmit phases when operating in Self Test

mode. Do not leave the Phase Transmitter in Self Test mode if you want to transmit

phases. Self Test mode is used to check the Current Transformers only.

5.10.1 Starting the Self Test

If the Phase Transmitter is switched on, switch it off. Ensure the LCD screen is blank.

Connect the Current Transformers. See Section 5.1 for details.

Hold the navigation switches toward MODIFY (DOWN) and NEXT (RIGHT) so that the

toggles point towards each other.

Switch on the Phase Transmitter, keeping the navigation switches held DOWN and

RIGHT.

Hold the navigation switches DOWN and RIGHT until the LCD screen displays

“Testing”. This takes 10 to 15 seconds.

Release the navigation switches. Self Test mode is now operating.

To change to Low Gain mode, hold the navigation switch DOWN

until the LCD screen displays “Test Lo”.

To change to High Gain mode, hold the navigation switch UP

until the LCD screen displays “Test Hi”.

5.10.2 Test Mode, Low Gain

If the Phase Transmitter is not in Low Gain mode, shift to Low Gain mode. See Section

5.10.1.

The Phase Transmitter LCD displays “Test Lo” on the top line, and three numbers on the

bottom line. The numbers update every 10 seconds. The numbers indicate, left to right,

Phase A, Phase B, Phase C. The higher the number, the more current that phase’s Current

Transformer senses.

Test #1, Zero Current Test. Ensure that the Current Transformers are not connected to

any cables. The number reported for each should be less than 4.

Test #2, #3, #4, Single Phase Test. Connect each Current Transformer in turn to the

current source, one at a time. The number associated with each Current Transformer

should increase, while the other two numbers should stay about the same value as seen in

Test #1. The value of the number displayed is controlled by the amps flowing in the

current source and is not important; the increase in the number when current is flowing

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through a Current Transformer is what to look out for. The maximum current that can be

measured in Low Gain mode is about 9 Amps.

5.10.3 Test Mode, High Gain

If the Phase Transmitter is not in High Gain mode, shift to High Gain mode. See Section

5.10.1.

The Phase Transmitter LCD displays “Test Hi” on the top line, and three numbers on the

bottom line. The numbers update every 10 seconds. The numbers indicate, left to right,

Phase A, Phase B, Phase C. The higher the number, the more current that phase’s Current

Transformer senses.

Test #1, Zero Current Test. Ensure that the Current Transformers are not connected to

any cables. The number reported for each should be less than 7.

Test #2, #3, #4, Single Phase Test. Connect each Current Transformer in turn to the

current source, one at a time. The number associated with each Current Transformer

should increase, while the other two numbers should stay about the same value as seen in

Test #1. . The value of the number displayed is controlled by the amps flowing in the

current source and is not important; the increase in the number when current is flowing

through a Current Transformer is what to look out for. The maximum current that can be

measured in High Gain mode is about 1.2 Amps. Applying more than 1.2 Amps in High

Gain mode will cause the current to “bleed through” into the unconnected CT’s.

5.10.4 Ending the Self Test

To end Self Test mode, switch the Phase Transmitter off.

5.11 Reprovisioning Phase Transmitter Cellular Modem

The Phase Transmitter cellular modem is automatically reprovisioned once a month to

keep the cellular network data current.

If the cellular modem needs to be reprovisioned manually, for example if the cellular

phone number has changed, manual reprovisioning may be requested.

To manually reprovision the Phase Transmitter’s cellular mode do the following:

1. Switch the Phase Transmitter OFF. Ensure that the LCD screen is blank.

2. Hold the navigation switches toward HOLD (UP) and PREVIOUS (LEFT) so that

the toggles point away from each other

3. Switch on the Phase Transmitter, keeping the navigation switches held UP and

LEFT.

4. Hold the navigation switches UP and LEFT until the LCD screen displays

“Reprov Request”. This takes 10 to 15 seconds.

5. Release the navigation switches. The Phase Transmitter will reprovision the

cellular modem.

6. Reprovisioning takes between 3 and 4 minutes. When the process is complete the

Phase Transmitter will be ready for operation.

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6 Phase Verification of Cables In Conductors The Phase Receiver can verify phases if certain conditions are met. When these

conditions are met, the user is prompted to perform a Phase Verification. The conditions

are:

Run/Isolate Switch RUN

Left Transformer Online, 100% Signal Quality

Right Transformer Online, 100% Signal Quality

Phase Display Both Left and Right show the same phase

When these conditions are met, the user is prompted to “Press 5 to Verify”.

Pressing the “5” button prompts the user to “Switch to ISOLATE to Confirm”. This

prevents further tracing current transmission and possible mistakes by accidentally

moving the tracing current output wires. Section 4.8 describes the verification process in

detail.

After switching to ISOLATE the user is shown a confirmation screen. A message

describing the verification measurement is stored onto the Phase Receiver’s non-volatile

memory, and is uploaded to a verification message server.

6.1 Verification Records

The Phase Verification records are stored on the Phase Verification Server. Each phase

verification record contains:

1) Time and date of the Verification Record.

2) Splicer Unit: Serial Number of the Phase Receiver in use.

3) Left Transformer: Serial Number of the Left Phase Transmitter Unit.

4) Left Phase: Phase Received from the Left Phase Transmitter Unit.

5) Left Verification Count: Number of repetitions of the same phase by the Left Phase

Transmitter Unit, after 100% signal quality has been reached.

6) Right Transformer: Serial Number of the Right Phase Transmitter Unit.

7) Right Phase: Phase Received from the Right Phase Transmitter Unit.

8) Right Verification Count: Number of repetitions of the same phase by the Right Phase

Transmitter Unit, after 100% signal quality has been reached.

An example is shown below.

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To limit the displayed information to a certain Phase Receiver unit only, enter the desired

serial number in the text box and press “Go”. By default, every phase verification

measurement from every Phase receiver is shown.

The measurements are shown with the most recent first.

To access the web site, use the URL http://www.psinteg.net/dlpid

Log in with the user name and password provided.

The verification records may be printed, simply select “Print” from the web browser’s

File menu.