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Medium Voltage Switching Devices

No. AGS 531 301-01

Edition 01/2011

www.schneider-electric.com

HVXVacuum circuit-breaker 1236 kV

Assembly

OperationMaintenance

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Editor:

Schneider Electric Sachsenwerk GmbH

a enaus rasse

D-93055 Regensburg, Germany

+49 (0) 9 41 46 20-0

+ -

Schneider Electric 2011

r g s reserve o s ec n ca manua .

Reproduction and making available of this technical manual, or extracts, to third parties are prohibited. Only integral reproduction

of this technical manual is permitted with the written permission from Schneider Electric.

ec ronc cop es n e.g. - orma or scanne vers on ave e s a us or n orma on ony .

The only valid version of this technical manual is always enclosed directly to the product in question by the factory.

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Remarks on this manual .............................................................................4Purpose and target group ........................................................................................... 4

Reference documents ................................................................................................ 4

erms an sym o s use ............................................................................................Abbreviations used ..................................................................................................... 4

Any questions or suggestions?................................................................................... 4

1 Safety Provisions ..............................................................................

Variants and technical details ..........................................................2.3 Dimensions ................................................................................................... 10

2.4 Applied standards ......................................................................................... 10. nv ronmen a an opera ng con ons .......................................................

2.6 Nameplate ......................................................................................................11

2.7 Technical data of electrical control and operating devices ............................ 12

. n en e use .................................................................................................

2.9 Disposal after the end of service life ............................................................. 14

Packaging, transport, storage........................................................ 153.1 Shipping units ................................................................................................ 15

3.2 Transport ....................................................................................................... 163.3 Delivery ......................................................................................................... 16

3.4 Storage ..........................................................................................................

ssem y .........................................................................................4.1 Safety provisions and instructions for assembly ........................................... 17

4.2 Transport using a crane ................................................................................ 17

4.3 Mechanical assembly of the fixed version HVX-F ......................................... 19

4.4 Earth terminal ................................................................................................ 22

4.5 Connecting conductor bars ........................................................................... 23

4.6 Mounting the circuit-breaker HVX-E (truck-type) .......................................... 25

4.7 Connecting the control lines .......................................................................... 27

Commissioning ............................................................................... 29. na s eps .....................................................................................................

5.2 Checking switching functions and interlocks ................................................. 29

5.3 Checks for the circuit-breaker HVX in conjunction with panels/switching

cells ............................................................................................................... 30

Operation ......................................................................................... 316.1 Operator interface ......................................................................................... 31

6.2 Operation accessories ..................................................................................

6.3 Interlocks ....................................................................................................... 34

6.4 Operating specifications ................................................................................ 35

. arg ng e energy s or ng ev ce ..............................................................

6.6 Switching operations ..................................................................................... 376.7 Position indicators on circuit-breaker and possible operating sequences..... 37

6.8 Moving truck into service / disconnected position ......................................... 38

Maintenance.....................................................................................407.1 Safety provisions ........................................................................................... 40

7.2 Maintenance and maintenance specifications ..............................................

7.3 Cleaning insulating components ................................................................... 41

7.4 Avoiding condensation .................................................................................. 417.5 Corrosion protection ......................................................................................

7.6 Replacement of components ........................................................................ 41

7.7 Lubrication instructions ................................................................................. 42

7.8 Maximum admissible numbers of breaking operations of vacuum

chamber ........................................................................................................ 46

Annex ............................................................................................... 47. ux ary pro uc s ..........................................................................................

8.2 Treatment of firmly screw-connected contact surfaces ................................. 47

8.3 Specifications for screw connections ............................................................ 48

Content

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As our products are subject to continuous further development, we reserve the rightto make changes regarding standards, illustrations and technical data.

All dimensions specified in this manual are in millimeters.

urpose and target groupThis Technical Manual describes transport, assembly, operation and maintenanceof the series HVX vacuum circuit-breakers. It is exclusively intended for specialist

electricians who have been certified for the HVX series (training certificate).

This Technical Manual is an integral part of the product and must be kept accessible

at all times to persons performing assembly, operation of or maintenance on the

circuit-breaker. If the circuit-breaker is sold to new owners, they must receive this

document along with the switching device.

This Technical Manual cannot describe every imaginable individual case or every

customer-specific version of the product. For information which is not included in this

manual, please contact the manufacturer.

eference documentsThe following additional documents must be complied with:

Purchase agreement with the stipulations regarding the switch-specific equip-

ment and the legal details

Switch-specific circuit diagrams and documentation

Project notes regarding the HVX circuit breaker

For assembly and operation of the circuit-breaker, the operating manual of the

switchgear in which it is operated must be complied with.

erms and symbols usedThis manual uses certain terms and symbols. They warn about dangers or provide

important information which must be complied with at all costs so as to avoid danger

an amage:

"Danger!"

This danger symbol warns about dangerous electrical volt-

age. Contact with voltage may result in fatal injury!

"Warning!"

This danger symbol warns about the risk of injury. Please

comply with all the provisions identified by this symbol in

order to avoid death or serious injury.

"Important:"

This instruction symbol is used for information which is important toavoid material damage.

Abbreviations used- : c rcu - rea er or xe moun ng

HVX-E: HVX circuit-breaker for truck-mounting

: Rated voltage

: a e curren

Isc

: Rated short-circuit breaking current

Any questions or suggestions?Do you have any questions or suggestions regarding this manual, or do you require

further information?We always strive to provide you with the best-possible information for optimum, safe

use of our products. Thus, do not hesitate to contact us if you have any recommen-

dations, amendments or proposals for improvement.

Remarks on this manual

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The work described in this manual may only be performed by specialist electricianswho have proved their experience with the HVX series and the applicable safety

provisions.

Please read the whole manual carefully before working on the circuit-breaker.

High-voltage switchgear and control gear, part 100: AC circuit-breaker

(IEC 62271-100)

The locally applicable accident prevention, operating and work instructions

must be complied with.

nstallation: IEC 61936-1/HD 637 S11

Operation of electrical equipment: EN 50110-11The national standards applicable in the country where the equipment is to be

installed must be complied with.

e ore per orm ng wor on e c rcu - rea er, s essen a a you comp y w e

following instructions:

Danger!

Risk of fatalities due to high voltage. Isolation from high

voltage and earthing must always be ensured before per-

forming assembly or maintenance work.

Danger!

Risk of fatalities due to high supply voltage. Isolation from

supply voltage must always be ensured before performing

assembly or maintenance work.

Warning!

Risk of injury due to movable parts in mechanical drives.For maintenance work,

isolate from supply voltage

release the circuit-breaker's energy storing device by

switching it OFF-ON-OFF (see page 3

n case of fire or of internal faults, toxic and caustic decomposition products may be

produced. Comply with the locally applicable accident and safety provisions.

n case of personal injury, take first-aid measures or cause them to be taken.

pp ca e s an ar san regu a ons:

Behaviour in case of incidentsor accidents

1 Safety Provisions

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2 Variants and technical details

2.1 Vacuum circuit-breaker HVX-E (truck-mounted version)

1

2

3

4

6

7

5

8

9

10

Rated voltage Ur [kV] 12

Rated lightning

mpu se w s an vo age p[kV] 75

a e power

frequency withstand voltage U[kV] 28

Rated normal current I [A] 1250

Rated short-circuit breaking

current Isc[kA] 25

Rated short-time current Ik (3 s) [kA] 25

Rated frequency f [Hz] 50/60

Weight (without packaging) [kg]approx.

135

Rated voltage Ur [kV] 24a e g n ng

impulse withstand voltage U[kV] 125

Rated power

frequency withstand voltage Ud[kV] 50

Rated normal current Ir [A] 2500

Rated short-circuit breakingcurren sc

[kA] 40

a e s or - me curren k (3 s)

Rated frequency fr [Hz] 50/60

Weight (without packaging) g .

Fig. 1

Models of the vacuum circuit-breaker HVX-E

1 Moving contacts

2 Vacuum interrupter chambers

3 Rollers4 Truck for PI-, PIB- and PIX panels

Insertion opening for crank to move

the circuit-breaker into its discon-nected/service position

6 Nameplate

Handles

8 Operator interface9 Drive casing

Low-voltage connector for

control lines

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3

4

6a

5

8

12

9

10

11

1

2

7

Rated voltage Ur [kV] 17.5Rated lightning

impulse withstand voltage U

Rated power



a e s or -c rcu rea ngcurrent Isc

[kA] 50

Rated short-time current I (3 s) [kA] 50


Weight (without packaging) [kg].

330

with fan in PIX standard panel

12

11

8

9

10

16

15

14

13

4

6b

5

1

3

2

7

Rated voltage Ur [kV] 17.5

Rated lightning

impulse withstand voltage Up[kV] 95

Rated power

frequency withstand voltage Ud

Rated normal current Ir [A]

3150

0002

50002

a e s or -c rcu rea ng

current I[kA] 50


a e requency r z


135

2with fan in PIX High panel

g.Models of the vacuum circuit-breaker HVX-E

1 Pole partitions ov ng con ac s


4 Press rod (transfer of ON/OFF

switching movement)

5 Transport rollers

6a Truck fr PIX panels6b Truck fr PIX High panels

7 Insertion opening for crank to move

e c rcu - rea er n o s scon-

nected/service position8 Nameplate

an es

10 Operator interface r ve cas ng

12 Low-voltage connector for

control lines

13 Slide for opening the insertion

opening (7) for racking the truck in

and out manually14 Lever for locking/unlocking the

ruck in the panel

os on n ca or - ruc n serv ce

position16 Position indicator - truck in discon-

nec e pos on

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2.2 Vacuum circuit-breaker HVX-F (fixed version)

1

5

6

7

8

2

3

4


Rated lightning

impulse withstand voltage Up[kV] 75

Rated powerfrequency withstand voltage U


a e s or -c rcu rea ng

current Isc[kA] 25



Weight (without packaging) [kg]approx.

135

1

5

6

7

8

2

3

4


a e g n ng

impulse withstand voltage U[kV] 125

Rated power




curren sc[kA] 40

a e s or - me curren k (3 s) 40

Rated frequency fr [Hz] 50/60


Fig. 3

o e s o e vacuum c rcu - rea er -

1 Low-voltage connector for

control lines

ron con ro pane no v s e nthis illustration)

3 Drive casing

4 Drive mechanism for pole sections

5 High-voltage connection, bottom

acuum n errup er c am ers7 High-voltage connection, top

8 Pole section

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1

3

4

5

6

7

9

82

Rated voltage Ur [kV] 17.5

Rated lightning

mpu se w s an vo age p[kV] 95

a e power

frequency withstand voltage U[kV] 38

Rated normal current Ir [A]3150

4000


current Isc

a e s or - me curren k s

Rated frequency fr z 50/60

Weight (without packaging) g .230

with fan (available on request from the manufacturer

Fig. 4

o e s o e vacuum c rcu - rea er -

1 Pole partitions2 Conductor bar terminal


4 Press rod (transfer of ON/OFF switching movement)

amep a e

6 Handles

7 Operator interface r ve cas ng

9 Low-voltage connector for control lines

HVX

2

1

4

3

5

6

7


a e g n ng

impulse withstand voltage p[kV] 170

ated power

requency withstand voltage d[kV] 70

ated normal current Ir [A] 2500

ated short-circuit breakingcurren sc

31.5

a e s or - me curren k (3 s) .

ated frequency fr [Hz] 50/60

eight (without packaging) g.

190

Fig. 5

Models of the vacuum circuit-breaker HVX-F

rcu - rea er po e cas ng

2 Vacuum interrupter chambers (not visible in this illustration)3 Fastening bore-holes

4 Low-voltage connector for control lines

5 Nameplate

Operator interface

7 Drive casing

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2.3 DimensionsThe dimensions of the individual HVX variants are specified in the selection list HVX.

This document or additional customized dimensional drawings are available on

request.

2.4 Applied standardsSeries HVX circuit-breakers are

ype-tested

dimensioned for indoor installation

Designation IEC standard EN standard

g -vo age sw c gear an con ro gear -

Part 1: Common specifications IEC 62271-1 -

Circuit-breaker IEC 62271-100 -

sconnec or ruc IEC 62271-102 -

egar ng e sw c ng capac y an e nsu a on eve , e ser es comp es

with the following ANSI specifications

.

ANSI C37.06

ANSI C37.09

other standards available on request

The vacuum interrupter chambers have been approved by the X-Ray Ordinance

(RV) of the Federal Republic of Germany up to a maximum voltage amounting to

the rated short-time power-frequency voltage (rated power frequency withstand volt-

age) defined by DIN VDE/IEC. Thus, they satisfy the conditions for operation exempt

of approval up to the voltage in question according to the X-Ray Ordinance (RV).

2.5 Environmental and operating conditions

HVX circuit-breakers may only be operated under normal operating conditions acc.

to IEC 62271-1. Operation under conditions deviating from these is only admissible

upon consultation with and with the written approval of the manufacturer.

(Ambient conditions in accordance with IEC 62271-1)

Temperature class "Minus 5 indoors

Min./max. ambient temperature C 5/+40

Average value over 24 hours C 35

mean rel. air humidity: 24 hour/1 month % 95/ 90nstallation altitude above sea-level m 1000

other values available on request

HVX series circuit-breakersmeet the following standardsan regu a ons:

Type approval of vacuumn errup er c am ers acc. o.

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2.6 NameplateThe type designation on the nameplate (Fig. 6) specifies essential technical data.

1

3

4

2

Fig. 6

Nameplate

1 Type designation

2 Technical data3 Serial number

4 Year of construction

The following example shows the composition of the type designation:

HVX 12 - 25 - 08 - F

Series HVX

Rated Voltage 12 kV

Rated short-circuit breaking current 25 kA

Rated normal current 800 A

F: for fixed installationE: truck-mounted

When submitting enquiries to the manufacturer or ordering spare parts, the following

information is required:

Type designation

Serial number

Year of construction

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2.7 Technical data of electrical control and operatingdevices

The circuit-breaker (Q0) and the truck versions (Q1) have been designed on princi-ple for manual operation. The drive mechanisms can be equipped, depending on the

specific customer's model, with additional electrical control and operating devices.

These are defined in the switch-specific circuit diagram (see separate documenta-

on .

Component fitting options:

Motor (M1)

or c arg ng e energy-s or ng ev ce

HVX-E: electric actuation of the disconnector truck

Shunt closing release (F2)

pce.

Shunt tripping coil (F11/F12/F13)

3 ea. max.

Secondary release (transformer-operated release) (F31/F32/F33)

3 ea. max.

Undervoltage release (F4)

pce.

Blocking coil (Y1)

Blocking coils prevent the circuit breaker from being closed and opened

ia the push-buttons ON or OFF, as well as manual actuation of the

sconnec or ruc .

f the rated supply voltage has failed or is shut off, all blocking coils are in

oc e pos on.

Auxiliary switch for circuit-breaker ON/OFF position (S11/S12/S13)

Auxiliary switches are always actuated directly by the switch shaft via an

intermediate linkage. Their position always corresponds to that of the main

contacts. As standard, the circuit-breaker is equipped with two (optionally

hree) auxiliary switches, each one with 8 contact elements.

The switching functions have been set in the factory according to the wir-

ing diagram.

Micro switch actuated by energy-storing device (S2)

Micro switch actuated by ON/OFF push-button (S41/42)

Micro switch actuated by OFF pushbutton (S43)

Micro switch actuated by truck in intermediate position or by crank being in-

serted (S6)

The circuit-breaker (Q0) and the truck versions (Q1) can be equipped with ad-ditional micro switches, depending on customers' design.

Anti-pumping relay (K01)

f an ON and OFF command is simultaneously and permanently present

at the circuit-breaker, the latter returns to its initial position after closing. Itremains in this initial position until the ON command is issued again. This

prevents continuous closing and opening (pumping).

Terminal strip (X01)

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Overview of rated supply voltages

Direct voltage DC

Alternating voltage AC [V] (110)/120 (220)/230

Solenoids / motorPower consumption [W]

DC [W]/AC 50/60 Hz [VA]

Rated normal current [A] 2500 >2500

Closing release 250

Opening release 250

Undervoltage release approx. 12

Motor for energy-storing device approx. 100 approx. 150

Motor for disconnector truck approx.

Documents

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