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Neopis Co, Ltd. http://www.neopis.com 47 NEOPIS Co,. Ltd World Wide Web www.neopis.com E-Mail [email protected] Headquarter 623, U-Chun Factopia Bd, 196 Anyang-7dong, Manan-gu, Anyang City, Kyonggi-do, Korea 430-017 Tel : +82-31-467-2700 FAx: +82-31-467-2711 Printed in Korea Revision Date : Feb 12, 2005

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Page 1: Promet u Manual

Neopis Co, Ltd.

http://www.neopis.com

47

NEOPIS Co,. Ltd

World Wide Web

www.neopis.com

E-Mail

[email protected]

Headquarter

623, U-Chun Factopia Bd, 196 Anyang-7dong,

Manan-gu, Anyang City, Kyonggi-do, Korea

430-017

Tel : +82-31-467-2700

FAx: +82-31-467-2711

Printed in Korea

Revision Date : Feb 12, 2005

Page 2: Promet u Manual

Overcurrent Protection Relay Instruction Manual

(PROMET-U-I)

Neopis Co, Ltd.

Page 3: Promet u Manual

Neopis Co, Ltd.

http://www.neopis.com

1

Table of Contents

1. General Information 3 1.1. PROMET-U-I Overview ........................................................ 3

1.2. PROMET-U Order............................................................... 5

2. Rated Specifications 6 2.1. Equipment ....................................................................... 6

2.2. Control Power ................................................................... 6

2.3. Electric Current Input........................................................... 6

2.4. Digital Input/Output............................................................. 6

2.5. Communication ................................................................. 7

2.6. Test and Environment.......................................................... 7

3. Install and Operation 8 3.1. Front Panel Layout ............................................................. 8

3.2. Terminal Map (view)............................................................ 9

3.3. Connection View ...............................................................10

3.4. Dimensional and Panel Cutout size ........................................11

3.5. Communication Circuit Connection ........................................14

4. Functions 15 4.1. Protection Relay Function ....................................................15

4.2. Recording function ............................................................21

5. Operation and Setup functions 23 5.1. Operation status LED .........................................................23

5.2. Measuring display function...................................................24

5.3. Main menu layout..............................................................24

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Note

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Note

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! Caution

Please read the user manual before installing the product

Make sure control power, electric current and voltage are turnedoff before connecting or disconnecting PROMET-U.

Make sure there is no physical damage or missing part beforeinstalling PROMET-U.

High voltage and high electric currents are circulating in theterminals of PROMET-U. Direct contact might lead to a fatal injury.

Please keep it away from flammable or hazardous materials.

You must set up PROMET-U in accordance with its systemcomposition. Any non-compliant setup may cause PROMET-U todisplay wrong information or to malfunction.

Please connect voltage/electric current to backside terminalsaccording to their relevant terminal numbers.

!

!

!

!

!

!

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1. General Information

1.1. PROMET-U-I Overview

PROMET-U-I is the highly reliable digital protection relay designed to effectively

protect three-phase lines.

The relay has electric current relaying elements, OCRs and OCGR etc.

Moreover, It enables real-time and remote supervisory & control by facilitating

alignment with central supervisory system through various communication methods.

Its main functions and features are as follows;

1) Compact facility

It boasts of its compact digital switchboard as well as easy installation and

operation; it incorporates several analog relays used for existing switchboards

into 1 digital relay thereby allowing compact composition of its switchboard.

2) Provision of various communication interfaces

It provides various communication interfaces which can be applied to any

environment as it accommodates different standard protocols. Therefore, without

installing a separate protocol converter, a user can implement the supervisory

and control system in a fast and convenient manner.

3) Provision of various event information

- Operation event

It stores and manages up to 64 events which take place during operation such as

control event (On, Off, Trip) and diagnosis event in the order of occurrence time

sequence.

- Fault Event

In case of line fault, it stores and manages fault information (time, type of failure,

operation, relay elements, etc.) up to 32 events in the order of time sequence.

4) Fault Wave Storage function

As for the latest failures, it stores and manages 60 cycle sample data for

maximum 2 events. Users can utilize such stored fault waves in their cause/effect

analysis.

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④. Initialization of Calibration Value

This menu allows you to initialize calibration values stored in PROMET-U. If you

select this menu, the following screen will pop up and upon selection of fault

deletion YES, all calibration information will be initialized.

Fig 52) Initialization of Calibration Value Menu

[ Default Calib ]

-> No

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②. Initialization of Relay Element related Setup

This menu allows you to initialize relay element related setup values stored in

PROMET-U. If you select this menu, the following screen will pop up and upon

selection of fault deletion YES using <Up><Down> key, all setup information

will be initialized.

Fig 50) Initialization of Relay Element related Setup Menu

③. Initialization of System related Setup

This menu allows you to initialize system related setup values stored in PROMET-

U. If you select this menu, the following screen will pop up and upon selection of

fault deletion YES by using <Up> <Down> key, all setup information will be

initialized.

Fig 51) Initialization of System related Setup Menu

[ Default Setting ]

-> No

[ Default System ]

-> No

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5) Convenient User Interface

Through the communication port installed on the fore part of the body, you can

easily key-in and define various setup and calibration controls using PC (using

the software provided by our company)

6) Various Control Power

Various control powers can be used, as it is a free voltage type (AC/DC 110-

220[V]).

7) Self-diagnosis and Backup function in case of power outage

PROMET-U performs on-going self-diagnosis such as CPU Check, Memory

problem identification, I/O diagnosis and control power check, and it issues

warning and stores diagnostic events to enable rapid user response if there are

any defects or failures identified.

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1.2. PROMET-U Order

1) Operation Voltage

- AC/DC 110~220V : PROMET-X-X-AV1-XXX

- AC/DC 20~60V : PROMET-X-X-AV2-XXX

2) Frequency

- AC 60Hz : PROMET-X-X-AVx-F60

- AC 50Hz : PROMET-X-X-AVx-F50

3) SGR Option

- Un-grounding System(SGR ) : PROMET-X-D-AVx-XXX-SG

- Grounding System (DGR) : PROMET-X-D-AVx-XXX-DG

Type Comm Recording

U

N

R

C

Type Protective Function

I OCR, OCGR

V OVR,OVGR,UVR

VI OCR, OVR, UVR

P OVR,UVR,OVGR,POR

D OCR,OVGR,SGR/DGR

M OCR,OCGR,THR,NSOCR,

POR, UCR, [66],[48]

PROMET U I

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Fig 47) Password Menu

Fig 48) Saved Information deletion menu

①. Fault Information Deletion

This menu allows you to delete event occurrence information stored in PROMET-

U. If you select this menu, the following screen will pop up and upon selection of

fault deletion YES using the <Up><Down> key, all event information will be

deleted.

Those deleted include fault events, action events and fault waves.

Fig 49) Fault Information Deletion menu

[PROMET-U PassWord]

[00]

[ Info Clear Menu ]

->1.Clear Event Info

2.Default Setting

3.Default System

4.Default Calib

[Clear Event Info]

-> No

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Fig 45) Calibration Menu

You can select the channel you want to calibrate using <Up> <Down> key and

display the calibration screen as follows.

You shall input displayed electric current into its relevant input channel and press

<Enter> key to complete calibration for the selected channel.

Fig 46) A Channel Calibration Menu

5.3.9. Stored information Deletion Menu

This menu allows you to initialize setup values, event information, calibration values,

etc., which are stored in the backup memory of PROMET-U.

Selection and movement of the menu are the same as the main menu.

You must select password for the protection of stored information. You can select

password in the range from 0 to 99 using Up/Down key and the default password

value is currently defined as [99].

[Calibration MENU]

->1.Ia

2.xIa

3.Ib

4.xIb

5.Ic

6.xIc

7.In

8.xIn

Cal]IA= 0.00A

>Input: 5.00A

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2. Rated Specifications

2.1. Equipment

1) size (HxWxD): 180 x 149 x 180

2) Weight: 3.3 kg

2.2. Control Power

1) Input voltage: AC/DC 110-220V (Free Voltage), AC/DC 20-60V(option)

2) Power Consumption: 5W or less

2.3. Electric Current Input

1) Connection : three-phase three wire system, three-phase four wire system

2) Rated input: rated current 5A, rated frequency 50/60Hz

3) Input Burden: 1VA and below

2.4. Digital Input/Output

1) Digital Input

Input Type Input

Number Input Circuit Isolation

Configurable User Input

2 Port AC220V/DC250V AC110V/DC125V

DC48/24V

Photo-isolated Input

2) Digital Output

Output Type Output Capacity

TRIP 30A/250VAC

Alarm 5A/250VAC

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2.5. Communication

Items Specifications

Type RS485 Two-wire, Half duplex, isolated

Baud Rate 9600 / 19200bps

PROTOCOL MODBUS-RTU, DNP3.0, IEC60870-5, Lonworks

2.6. Test and Environment

Items Specifications Operating Temperature -20 ~ 60°C

Temperature Storage Temperature -25 ~ 70°C

Humidity 30 ~ 80%

Insulation Resistance > 10MΩ AC Voltage Tests AC 60Hz 2000V/1min

Surge Impluse 1.2/50uS 5kV +/-

Overload Current: 100Arms for 2second Voltage: 1.15 times rated for 3hoursPower: 1.3 times rated for 3hours

Oscillatory Transient IEC60255-22-1 2.5kV

EFT/Burst IEC60255-22-4 Class A : 4kV

RFI Susceptibility IEC60255-22-6

Radiated electromagnetic IEC60255-22-4

Surge IEC60255-22-5 : 4kV

ESD 60255-22-2: Contact(6kV), Air(8kV)

Test

EMI IEC 60255-25

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③. LED TEST Menu

This menu allows you to test LED’s. A confirmation menu asking whether to start

LED’s test will pop up. If you hit <Enter> key, all LED’s will be outputted as ON.

When the LED test is completed, the completion screen will be displayed. You

can move back to its higher menu by striking <Mode> key.

Fig 43) LED TEST Starting Menu

Fig 44) LED TEST End Menu 5.3.8. Calibration Menu

This menu allows you to calibrate electric current’s input signal. In order to prevent users from getting into the menu during operation, this menu is composed differently from others. If you want to conduct calibration on electric current’s input signals in the field, please contact our A/S (after sales) center for further assistance. If you go into the Calibration menu, you may see the menu as shown in the following picture.

Start LED Test

->Press Enter

- Test End -

[ Ok ! Press Mode Key ]

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Fig 40) TRIP TEST End Menu

②. Alarm TEST Menu

This menu allows you to test Alarm connection points. A confirmation menu

asking whether to start Alarm test will pop up as shown below. If you hit <Enter>

key, all Alarm connection points will be outputted as ON. When the Alarm test is

completed, the completion screen will be displayed. You can move back to its

higher menu by striking <Mode> key.

Fig 41) ALARM TEST Starting Menu

Fig 42) ALARM TEST End Menu

- Test End -

[ Ok ! Press Mode Key ]

Start Alm Test

->Press Enter

- Test End -

[ Ok ! Press Mode Key ]

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3. Install and Operation 3.1. Front Panel Layout

Fig 1) Front Panel Layout

Display Panel

LCD Display

20 Char. X 4 Lines

RUN LED

Communication

LED

Pickup LED

Fault LED

Fault RESET

User Interface

Terminal Port

(RS232C)

Key Pad

View measuring data

Setup parameter

View Event and diagnosis

information

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3.2. Terminal Map (view)

The following picture shows the back view of PROMET-U terminals.

As the electric current input terminal is equipped with CT protection, even if

PROMET-U is outputted, CT’s will be protected from the power system.

A19, A20 and FG terminals are internally connected and must be linked to Frame

Ground of the switchboard.

Fig 2) PROMET-U Terminal View

IO TB

A01 Trip 1 Trip 2 A02

A03 DO 1 Trip

ComA04

AI TB

A05 DO 2 DO 3 A06 B01 Ia Ia' B02

A07 DO 4 DO 5 A08 B03 Ib Ib' B04

A09 DO 6 DO

COMA10 B05 Ic Ic' B06

A11 DI 1 DI 2 A12 B07 In In' B08

A13 DI

COMA14 B09 B10

A15 PWR+ 485+ A16 B11 B12

A17 PWR- 485- A18

A19 FG SG A20

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5.3.7. TEST Menu

If you select [Main Menu] [6. Test], the Test screen will pop up. It is the menu for

test operation after installation. It also allows you to check if TRIP or Alarm points

are properly connected and check if foreside LED is in normal state.

Its relevant menu items are as follows;

Fig 38) TEST Menu

①. TRIP TEST Menu

This menu allows you to test TRIP connection points. A confirmation menu asking

whether to start trip test will pop up as shown below. If you hit <Enter> key, all

Trip connection points will be outputted as ON. When the Trip Test is completed,

the completion screen will be displayed. You can move back to its higher menu by

striking <Mode> key.

Fig 39) TRIP TEST Starting Menu

[ Device Test Menu ] 1.Trip 2.Alarm 3.LED

Start Trip Test ->Press Enter

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Fig 35) Diagnostic Information Display Menu(case : Normal)

Fig 36) Diagnostic Information Display Menu(case : Failure)

5.3.6. Time Setup Menu

If you select [Main Menu] [5. Time Setting], the time confirmation and setup

screen will pop up as follows.

Fig 37) Time setting menu

<Now Time> indicates present time and it constantly updates changing time.

<Edit Time> shows the time of moving into the Time Menu and the cursor blinks on

year field.

To define time, you shall adjust year by using <Up> <Down> key and then hit

<Enter> key to enable the cursor to move to the month field. Using the same

method, you can adjust day/time/minute/second one by one.

[PROMET-U Diagnosis] Diagnosis OK

[PROMET-U Diagnosis] WATCHDOG. FAIL SETTING... FAIL

Now : 2004/02/27 Time :17:46:24 Edit : 2004/02/27 Time :17:46:24

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3.3. Connection View

If you connect terminals in accordance with their relevant numbers as shown in 3.2,

the result will look like the following picture. Electric current input will be linked to A,

B, C phases using 3 CT, and N phase will be connected using the sum of the three

phases. If connection is done based on ZCT, electric current input will be linked to

B07 and B08 of ZCT terminal unlike the picture and remaining B02, B04 and B06

terminals of A, B and C phases will be connected to CT L terminals of A, B and C

Phases.

AC/DC 110-220V free voltage can be connected to power input terminal. Frame

ground of power can be connected to A19 of PROMET-U. Trip coil will be

connected to A01 and A04; +power is to A04 and –power is to A01. Diagnosis

connection point is a B contact which will be connected to A03 and A10.

Fig 3) PROMET-U Connection View

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3.4. Dimensional and Panel Cutout size

3.4.1. Front View

Fig 4) PROMET-U Front View

3.4.2. Side View

Fig 5) PROMET-U Side View

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as 1. The picture above shows fault count is 31.

③. Fault Type

It shows the type of tripped element of Relay. In case of multiple faults, it can

display up to 4 trip types. The picture above shows it is the TRIP due to OCR

time delay.

④. Fault Phase

It shows fault phase. The picture above shows related fault phases are A, B

and C phases.

⑤. Fault Current

It indicates the value of fault current at the moment when fault took place on

the whole phases measured by PROMET-U. The picture above shows fault

current on A, B, C and N phases.

⑥. Movement of Fault Information

You can move to next or previous fault by using the Prev/Next button in the last

line on the second page of the picture.

For moving to a different event, if you press the <Enter> key, the cursor will

blink on Prev and if you press <UP><Down> key again, Prev/Next will blink

alternately. At that moment, if you hit <Enter> when the cursor is on the

location you desire, you can move to the fault information you want to get.

5.3.5. Diagnostic Information Display Menu

This menu allows you to check diagnostic information. In order to use this menu,

you must select [Main Menu] [4. DIAGNOSIS].

If diagnosis is normal, it displays the following screen and if diagnosis identifies

faults, it will display diagnosis fault information up to 3.

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5.3.4. Fault Information Display Menu

This menu allows you to check fault occurrence information of PROMET-U. To use

this menu, move into [main menu] [3. FAULT INFO]. It can save up to 32 events.

Fault information can be inquired in the order of fault occurrence sequence (from

the latest to the old). The fault information display menu shows fault ID, fault

occurrence count, fault type, fault phase, fault currency, fault occurred time, etc.

In addition, you can move to a different page as it uses page concept by using

<Up> <Down> key as shown in the below picture.

Fig 33) First page of Fault information Display Menu

Fig 34) Second page of Fault Information Display Menu

①. Fault ID

It shows the serial number of the latest fault information stored. It can display

fault event from 1 to 32. The picture above shows the fault is the fourth event in

the latest fault sequence.

②. Fault Count

It shows fault count after installing Relay. It can display up to 9,999. If you

delete fault information, the fault occurrence count will be automatically cleared

[FAULT 4] Count = 31OCR> [I=ABC ] Ia= 4.02A Ib= 4.01A

Ic= 4.02A In= 4.01A

I2= 0.00A

-> Prev / Next

Fault ID Fault Count

Fault Type

Fault Phase

Fault Current

Fault Current

Move Fault

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3.4.3. Top View

Fig 6) PROMET-U Top View

3.4.4. Rear View

Fig 7) PROMET-U Rear View

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3.4.5. Panel Cut out

Fig 8) Panel Cut out

4-∅7

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④. Communication Address Setup

Fig 31) Communication Address Setup Menu

This menu allows you to define communication address of RS458 to be aligned

with its higher level system.

When the cursor is blinking, you can define its communication address by using

<Up> <Down> key. After the setup, you can save the defined value once in RAM

and get out of the setup item by striking <Enter> key.

⑤. Setup Update

Fig 32) Setup Update

This menu allows you to save the setup values modified in the setup items into

the backup memory. If you just move to a higher menu without updating the

values, the changed values will not be saved.

# Comm Addr Set #

Addr : 2

( 1 – 254 )

[ Update Setting ]

->Press Enter

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②. NCT Ratio Setup

Fig 29) NCT Ratio Setup Menu

This menu is to define a NCT ratio for primary and second of neutral current that

is used to display primary currents in the measuring mode.

When the cursor is blinking, you can define the primary current of CT ratio by

using <Up><Down> key. After the setup, you can save the defined value once in

RAM and get out of the setup item by pressing <Enter> key.

③. Communication Speed Setup

Fig 30) Communication Speed Setup Menu

This menu allows you to define communication speed of RS458 to be aligned

with its higher level system. Its front communication port is fixed at 9600bps.

You can select 9600 or 19200 bps as its communication speed depending on its

higher level system requirements.

When the cursor is blinking, you can define communication speed by using <Up>

<Down> key. After the setup, you can save the defined value once in RAM and

get out of the setup item by striking <Enter> key.

# Baud Rate Set #

Baud : 19200bps

(9600 – 19200 bps)

# NCT Ratio #

Ratio : 50/5A

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3.5. Communication Circuit Connection

For the connection to its higher supervisory control system, it provides insulated

RS485 Half Duplex communication method. This communication method allows

multi-drop connections for maximum 32EA and provides communication distance

up to 1 km.

It is recommended to link the vertical section of RS485 line to 120 ohm and 0.01uF

capacitor as shown in the following picture. Even if it is difficult to link it to capacitor,

it must be linked to 120 ohm (vertical impedance).

PROMET-U is equipped with various standard protocols in order to provide the

communication solution that allows communication with any supervisory systems.

Thanks to such a feature, users don’t have to install a separate protocol switcher

according to system protocol changes thereby allowing them to save time and cost

for system installation.

The protocols loaded on PROMET-U are as follows.

- DNP3.0

- ModBus

- IEC60870-5-103

- Lonworks

Fig 9) PROMET-U Communication Connection

PROMET-U

485

+(A16) -(A18)

PROMET-U

485

+(A16) -(A18)

Terminal

Impedance

(120Ω+0.01uF)

Supervisory &

Control

System

MAX 32EA

Max Distance: 1.2km

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4. Functions

4.1. Protection Relay Function

1) Over Current Protection

PROMET-U performs relay functions by using 3 inverse time characteristic curves for

electric current and 1 definite time characteristic curve in compliance with IEC-60255

standards.

The following is a formula of inverse time characteristic curve for current.

The following is a formula of definite time curve for current.

101m

α

TCIβT ×⎟

⎠⎞

⎜⎝⎛ −

−=

0 80 2 Extremely Inverse

0 13.51Very Inverse

0 0.140.02Normal Inverse

C α β

102 mTT ×=

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⑪. Update Setup Item

Fig 27) Update Setup Item Menu

This menu allows you to save the setup value modified in the setup items into

backup memory. If you just move to a higher menu without updating defined

values, the changed setup values will not be stored.

5.3.3. SYSTEM related Setup Menu

This menu allows you to define system and communication related PROMET-U

variables.

Currently, there are setup items for CT ratio, communication speed and

communication address.

①. CT Ratio Setup

Fig 28) CT Ratio Setup Menu

This menu is to define a CT ratio for primary and second of phase current that is

used to display primary currents in the measuring mode.

When the cursor is blinking, you can define the primary current of CT ratio by

using <Up><Down> key. After the setup, you can save the defined value once in

RAM and get out of the setup item by pressing <Enter> key.

[ Update Setting ]

->Press Enter

# CT Ratio #

Ratio : 100/5A

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⑨. OCGR I> TC Curve Setup

Fig 25) OCGR I> Curve setup menu

OCGR time delay TC curve can be setup as DT, NI, EI, VI and LI.

When the cursor blinks, you can define its curve by using <Up><Down> key. After

completing the setup, you can save the defined value once in RAM and get out of

the setup item by pressing <Enter> key.

⑩. OCGR I> Tm(Time Multiply) Setup

Fig 26) OCGR I> Tm setup menu

The time multiply for OCGR time delay can be defined in the range from 0.1~50.

Sec. and adjusted by 0.1 sec step. In the curve setup, if DT (definite time) is

selected, the unit will be Sec. However, if inverse definite time curve is selected,

sec will not be used because of time multiply.

When the cursor blinks, you can define the time multiply for OCGR time delay by

using <Up><Down> key. After completing the setup, you can save the defined

value once in RAM and get out of the setup item by pressing <Enter> key.

# OCGR I> Curve #

I> : DT

# OCGR I> Tm #

I> : 1.0S

(0.1-50Sec : 0.1Sec)

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① Normal Inverse Characteristic

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② Very Inverse Characteristic

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value once in RAM and get out of the setup item by pressing <Enter> key.

⑦. OCGR I>> Tm(Time Multiply) Setup

Fig 23) OCGR I>> Tm(Time Multiply) setup menu

The time multiply for OCGR instantaneous time can be defined in the range from

0.04 to 120.0 Sec, and adjusted by 0.01sec step. The unit will be Sec.

When the cursor blinks, you can define time multiply for OCGR instantaneous

time by using <Up> <Down> key. After completing the setup, you can save the

defined value once in RAM and get out of the setup item by pressing <Enter> key.

⑧. OCGR I> Pickup Setup

Fig 24) OCGR I> Pickup setup menu

OCGR time delay pickup value can be defined in the range of “OFF, 0.1~20.0 [A]”

and adjusted by 0.1[A] step. If OFF is selected, the time delay pickup function will

be blocked.

When the cursor blinks, you can define OCGR time delay pickup value by

using <UP> or <Down> key. After completing the setup, you can save the

defined value in RAM and get out of the setup item by pressing <Enter> key.

# OCGR I> Pickup #

I> : 0.1A

(OFF, 0.1~20A : 0.1A)

# OCGR I>> Tm #

I>> : 1.0S

(0.04-120Sec : 0.01Sec)

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⑤. OCR I> Tm(Time Multiply) Setup

Fig 21) OCR I> Tm(Time Multiply) setup menu

The time multiply for OCR time delay can be defined in the range from 0.1 to

50.0 Sec, and adjusted by 0.1sec step. In the Curve setup, if DT (definite

time) is selected, the unit will be Sec. However, if inverse time curve is

selected, Sec (second) will not be used because of Time Multiply.

When the cursor blinks, you can define time multiply for OCR time delay by using

<Up> <Down> key. After completing the setup, you can save the defined value

once in RAM and get out of the setup item by pressing <Enter> key.

⑥. OCGR I>> Pickup Setup

Fig 22) OCGR I>> Pickup setup menu

OCGR instantaneous Pickup value can be defined in the range of “OFF, 0.5~80.0

[A]” and adjusted by 0.1 [A] step. If OFF is selected, the instantaneous function

will be blocked.

When the cursor blinks, you can define OCGR instantaneous pickup value by

using <Up><Down> key. After completing the setup, you can save the defined

# OCR I> Tm #

I> : 1.0S

(0.1-50Sec : 0.1Sec)

# OCGR I>> Pickup #

I>> : 2A

(OFF, 0.5~80A : 0.1A)

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③ Extremely Inverse Characteristic

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④ Definite Time Characteristic

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③. OCR l> Pickup Setup

Fig 19) OCR I> Pickup setup menu

OCR time delay pickup value can be defined in the range of “OFF, 0.5 ~ 25.0 [A]”

and adjusted by 0.1 [A] step. If OFF is selected, the delay function will be blocked.

When the cursor blinks, you can define OCR time delay pickup value using <Up>

<Down> key. After the setup, you can save the defined values once in RAM and

get out of the setup item by pressing <Enter> key.

④. OCR l> TC Curve Setup

Fig 20) OCR I> TC Curve setup menu

As for setup of OCR time delay curve, you can select DT, NI, EI, VI or LI.

When the cursor blinks, you can select a curve by using <Up><Down> key.

After finishing the setup, you can save the defined value once in RAM and

get out of the setup item by pressing <Enter> key.

# OCR I> Pickup #

I> : 0.6A

(OFF, 0.5~25A : 0.1A)

# OCR I> Curve #

I> : DT

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①. OCR l >> Pickup Setup

Fig 17) OCR I>> Pickup setup menu

OCR instantaneous pickup value can be defined in the range of “OFF, 1 ~ 120.0

[A] “and adjusted by 1.0 [A] step. If OFF is selected, the instantaneous function

will be blocked.

When the cursor blinks, you can define OCR instantaneous pickup value using

<Up><Down> key. After completing the setup, you can save the defined values

once in RAM and get out of the setup item by pressing <Enter> key.

②. OCR I>> Tm(Time Multiply) Setup

Fig 18) OCR I>> Tm(Time Multiply) setup menu

The time multiply for OCR instantaneous time can be defined in the range from

0.04 to 120.0 Sec, and adjusted by 0.01sec step. The unit will be Sec.

When the cursor blinks, you can define time multiply for OCR instantaneous time

by using <Up> <Down> key. After completing the setup, you can save the defined

value once in RAM and get out of the setup item by pressing <Enter> key.

# OCR I>> Pickup #

I>> : 10A

(OFF, 1~120A : 1A)

# OCR I>> Tm #

I>> : 1.0S

(0.04-120Sec : 0.01Sec)

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Setting range and characteristic of relay protection functions.

Pickup Set Operation Time Set

Relay

Function

Relay

Type Setting

Range Step

Setting

Range Step

characteristic

Instant

Time

1.0 - 120.0 [A]

,Block 1A 40ms~120Sec 0.01Sec Instant

0.1 - 50.0 0.1

Normal Inverse

Very Inverse

Extremely Inverse

OCR

(50/51) Delay

Time

0.5 - 25 [A]

,Block 0.1A

0.1–50.0Sec 0.1Sec Definite Time

Instant

Time

0.5 - 80.0 [A]

,Block 0.1A 40ms~120Sec 0.01Sec Instant

0.1 - 50.0 0.1

Normal Inverse

Very Inverse

Extremely Inverse

OCGR

(50/51N) Delay

Time

0.1 - 20 [A]

,Block 0.1A

0.1–50.0Sec 0.1Sec Definite Time

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4.2. Recording function

4.2.1. Operation recording function

It records and stores PROMET-U operation related information up to 64 events in

the FRAM (Ferroelectric Random Access Memory).

It enables you to trace events because they are recorded in the order of event

occurrence time (SOE: Sequence Of Event). Items and details of information to be

recorded in Operation Record are as follows.

4.2.2. Fault information recording function

PROMET-U records and stores operation fault related information up to 32 events

in its FRAM as well as provides line protection as part of its protection relay function.

The details of records are as follows.

- Fault occurrence time (year/month/day/time/minute/second)

- Fault ID

- Fault occurred phase (A/B/C/N)

- Action phases of Relay

- Size of fault current by phase

Saved Items Saved Data Pickup Event

Fault Time Event Diagnosis Event

Setting Change Event Restart Event

Event Time (Year/Month/Date/Hour/Minute/Sec)

Event ID Event Name

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5.3.2. Feeder Protection Related Setup Menu This section provides explanations on setup menu of OCR/OCGR (50/51N), over-current protection element of relay. Menu selection and movement are the same as the main menu.. For the protection of setup values, password must be selected and used. You can select password in the range from 0 to 99 using Up/Down key and the default

password value is defined as [99].

Fig 15) Password Input Menu

After completing setup of each item as indicated in the picture below, you must select [11.Update Setting] item and save the defined values so that those modified setup values can be saved and stored in the actual backup memory.

Fig 16) Menu related to feeder relay setup

[Feeder Ry Setting]

->1.OCR I>> Pickup

2.OCR I>> Tm

3.OCR I> Pickup

4.OCR I> Curve

5.OCR I> Tm

6.OCGR I>> Pickup

7.OCGR I>> Tm

8.OCGR I> Pickup

9.OCGR I>Curve

10.OCGR I> Tm

11.Update Setting

[PROMET-U PassWord]

[00]

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②. How to move and select each item in the main menu

The current item in the main menu is indicated by rightward arrow [ ] as

shown in the following picture. For moving to a different item, you shall use

[Up/Down] key. For the selection item, you have to press [Enter]key.

Fig 13) select each items in the main menu

③. Move to a upper menu

If you want to move to a upper menu, you shall press [Mode] key.

Fig 14) Move to a upper menu

[PROMET TOP MENU] ->1.FEEDER RY SETTING

2.SYSTEM SETTING 3.FAULT INFO

4.DIAGNOSIS 5.TIME SETTING 6.TEST 7.CALIBRATION 8.CLEAR INFO

Up

Down

[PROMET-U-I V1.00] Ia= 5.01A Ib= 5.00A Ic= 5.01A In= 5.02A

Mode

[PROMET TOP MENU] ->1.FEEDER RY SETTING

2.SYSTEM SETTING 3.FAULT INFO

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4.2.3. Fault wave recording function

PROMET-U records and stores before and after fault instantaneous waves of 60

cycle for 2 latest fault events.

The wave information will allow you to conduct wave and cause/effect analysis in

relation to line fault.

Details of Fault waves to be stored are as follows;

- Fault occurrence time

-Sample value of each phase current

-

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5. Operation and Setup functions

5.1. Operation status LED

The LED that indicates overall operation status of Relay has four components such as

action status LED, communication LED, Pickup LED and Fault LED as shown in the

following picture.

For details of each component;

1) RUN/FAIL LED: It displays the action status of PROMET-U. Based on its self-

diagnosis of Relay, if the operation is normal, Green light LED will be turned on. If

the self-diagnosis identifies faults or problems, then the green LED will be turned

off to enable you to check items diagnosed by Relay through LCD diagnostic

information menu.

2) TX/RX LED: when communication option is selected for RS458 communication

with parent (higher-level) system, this LED indicates communication status

(receive/send). In sending, green light LED will be displayed while in receiving

red LED is turned on. The LED will be turned off if there is no communication.

3) PICK-UP LED: If current in excess of the level defined in the Relay is permitted,

yellow light on the Pickup LED will blink. If the value of current goes down below

the defined level, the LED will be turned off.

4) FAULT LED: Fault is maintained when current in excess of the level defined is

allowed. When it reaches the defined operation time, trip point will be outputted

and the Fault LED will be turned on. After fixing and restoring it from fault, this

LED will be turned off when the user hits Fault Reset key.

Fig 10) Local LED indicators

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5.2. Measuring display function

After starting PROMET-U, the LCD window of the front panel will display values of

electric current for A, B, C and N phases.

The first line on the measuring display window has “PROMET-U-I” which indicates

it’s overcurrent protection relay and “V1. 00” which indicates its program version is

1.00.

The second and third lines indicate current of each phase.

Fig 11) Local LCD display for measuring data

5.3. Main menu layout

5.3.1. How to operate measuring display LCD and main menu

As for how to move to calibration display LCD and operate main menu, follow

instructions as shown below.

①. Measuring display window move to main menu

Move to main menu by press [Enter] key on the measuring display window.

Fig 12) Measuring display window move to main menu

[PROMET-U-I V1.00] Ia= 5.01A Ib= 5.00A Ic= 5.01A In= 5.02A

[PROMET-U-I V1.00] Ia= 5.01A Ib= 5.00A Ic= 5.01A In= 5.02A

Enter

[PROMET TOP MENU] ->1.FEEDER RY SETTING

2.SYSTEM SETTING 3.FAULT INFO