Mcset User Manual

MCset 1-2-3Medium Voltage SwitchgearWithdrawable circuit breaker17.5 kV

User manual

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General 2Glossary 2Symbols 2Recommendations 3Standard tightening torques 3

General description 4Warning for readers 4AD cubicle 4TT1, TT2 cubicles 5CL-GL cubicles 5RHB, RHC cubicles 6Withdrawable mobile part 6Identification 9Read the inscriptions on the front panel 9

Instructions for access to the inside of a cubicle 11AD cubicle 11Removing front protection cover plates 12Removing the MV compartment separation sheet 13Removing the manhole sheet 14Removing and inserting fixed or withdrawable VTs 14Access to lower compartment (cables, CT, earthing switch, surge arresters) 15Accessing busbars 15Accessing plug-in pins 16

Installation and operation recommendation 17

Steps for the tests 18Voltage presence on MV cables 18MV cable tests 18

Operating Instructions 20Extracting or inserting the mobile part 20Plugging in the mobile part 24Withdrawing the mobile part 25Closing the earthing switch 26Opening the earthing switch 28Plugging in VT fuses 30Withdrawing VT fuses 31Padlocking and preventing access using padlocks 32Locking using locks (option) 34Locking using an electromagnet (option) 35

Corrective maintenance 36Forward 36Summary table 36Replacement of VT compartment fuses 37Replacing of a voltage indicator box 40Replacing the fans on 3600 A/ 4000 A cubicles 41Replacing the capacitor 41Putting back the new capacitor 42

Contents

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Open earthing switch mechanical indicator light.

Operation position.

Plug-in or withdrawal position.

Plug-in prevention position. Locking possible.

SMALT operation

Symbols

Mobile partLF Withdrawable circuit-breaker with SF6 breaking which is used in

AD and CL cubicles

Rollarc 400 SF6 breaking withdrawable contactor equipping the AD1 cubicle

EVOLIS Withdrawable circuit-breaker with vacuum breaking which is used in AD and CL cubicles

CTV1 Vacuum breaking withdrawable contactor equipping the AD1 cubicle

ERT Rack-in or rack-out and removal tool of the mobile parts on the ground

Extraction table Extraction or insertion table without the removal tool of the mobile parts on the ground

UF Functionnal Unit (cubicle + mobile part + Sepam)AD Incomming / outgoing cubicle

CL-GL Withdrawable line coupling cubicle

TT Measurement and busbar earthing cubicle

RHB Bus riser cubicle through the top

RHC Cable riser cubicle through the top

MTP transition panel between an MCset cubicle and a MOTORPACT cubicle

DI Fuse switch outgoing cubicle

TT Voltage transformer

TC Current transformer or current sensor

VPIS Voltage Presence Indicating System

LV Low voltage

MV Voltage class, including levels 7.2 - 12 and 17.5 kV

SMALT Earthing switch

Note: this document is available for all the MCset 1-2-3 units ordered from the 1st of March 2006.

Glossary

General

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It is compulsory forbidden to remove the parts bearing this marking when the equipment is energised.

It is compulsory forbidden to walk on the parts bearing this marking.Marking

All type of equipment installation such as lamp or light are forbidden.Installation above the switchboard

It is necessary to have a height of ceiling H u 2.80 m to install a tunnel.

Height (H) of ceiling for installation of an anti-arc or IPX1 tunnel

Recommendations

Insertion / extraction position.

“Withdrawn” position.

“Plugged-in” position.

Operation position.Mobile part operation

Position can be locked using paslocks.

Closed earthing switch mechanical indicator light.

General

The elastic washers placed on the external sides of the pads and busbars ensure better distribution of stress regarding screws tightened to the recommended torques.

Application methods:Screw Torque in NmØ 6 13

Ø 8 28

Ø 10 50

Ø 12 75

Ø 14 120

(non greased screws and bolts)

Standard tightening torques

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Incomer/outgoer with withdrawable VT fuses

Incomer/outgoer without VT or with fixed VT

A: LV compartment door B: protection, monitoring, control by Sepam C: compartment door mobile part D: position inspection windows of the mobile part E: operation and locking plate of the mobile part F: voltage indicators G: earthing switch operation and locking plate and padlocking of the mobile part H: access panel to connection compartment of MV cables or withdrawable VT fuses J: visualisation windows of cables or of VT fuse position K: operation and padlocking plate of withdrawable VT fuses

L: fan compartment (on 3600 A / 4000 A) M: cable compartment (on 3600 A / 4000 A)

AD1 630/1250 AAD2 630/1250 AAD3 2500/3150/3600/4000 A

AD cubicle

As the MCset range is very extensive and presents a vast number of front panel options, we have decided to present a Functional Unit presentation equipped with the maximum switchgear.

Warning for readers

General description

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Bus riser cubicleCircuit-breakercoupling cubicle

A: LV compartment door B: protection, monitoring, control by Sepam C: compartment door mobile part D: position inspection windows of the mobile part E: operation and locking plate of the mobile part F: voltage indicators G: earthing switch operation and locking plate and padlocking of the mobile part J: visualisation windows of cables or of VT fuse positionL: access panel to withdrawable VT fuses and to the lower busbar compartments M : operation and padlocking plate of withdrawable VT fuses N : compartment door fixed busbar bridgeP : fan compartment (on 3600 A / 4000 A)

With upstream and downstream VT with withdrawable fuses

CL-GL cubicles

Voltage transformers without VT or with fixed VT

Voltage transformers with withdrawable fuses

TT1, TT2 cubicles

A: LV compartment door B: protection, monitoring, control by Sepam D: visualisation windows F: voltage indicators G: earthing switch operation and locking plate and padlocking of the mobile part H: access panel to connection compartment of MV cables or withdrawable VT fuses J: visualisation windows of cables or of VT fuse position K: operation and padlocking plate of withdrawable VT fusesL: compartment door fixed busbar bridge.

General description

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General description

Withdrawable mobile part

A: LV compartment door B: protection, monitoring, control by Sepam C: compartment door mobile part D: position inspection windows of the mobile part E: operation and locking plate of the mobile part F: voltage indicators G: earthing switch operation and locking plate and padlocking of the mobile part H : acces panel to the busbars or to the withdrawable VT fusesJ : visualisation windows of cables or of VT fuse position K : operation and padlocking plate of withdrawable VT fusesL : connection through the top using busbars (RHB) or cables (RHC)M : fan compartment (on 3600 A / 4000 A)

RHB1, RHC1 630/1250 A RHB2, RHC2 630/1250 ARHB3, 2500/3150/3600/4000 ARHC3, 2500/3150 A

RHB, RHC cubicles

LF1

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General description

Note: option available in 3 widths.

Busbar earthing carriage on circuit-breaker base

Note: available in 3 widths.

Disconnector carriage

LF2

LF3

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General description

ROLLARC 400CTV1


Evolis


Busbar earthing carriage on Evolis base

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General description

A: procedure pictogramB: withdrawable mobile partC: earthing switch plateD: withdrawable fuse voltage transformer plate.

Read the inscriptions on the front panel

F: characteristics, designations and serial numberG: location of operating instructions (behind the cover).

Evolis withdrawable mobile part

E: characteristics, designations and serial number.

Rollarc or CTV1 withdrawable mobile part

D: characteristics, designations and serial number.

LF withdrawable mobile part

A: name of the cubicleB: manufacturer’s labelC: characteristics, designations and serial number.

Ex : AD functional unit

Identification

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4 : earthing switch position selector5 : opening for the insertion of the earthing switch operating handleG : voltage presence H : plug-in prevention selector switchL : mechanical indicator of earthing switch statusM : location for plug-in prevention lockN : location for earthing switch locks.

Earthing switch, voltage presence and plug-in prevention

Cubicle

1: mechanical opening push-button2: mobile part position selector 3: opening for inserting mobile part operating handle E: mechanical indicator light for indication of the mobile part positionF: location for disconnector carriage lock (optional).

Mobile part

1: mobile part operation2: earthing switch operation.

Procedure pictogram

6 : position selector switch for voltage transformer withdrawable fuses7 : opening for the insertion of the voltage transformer withdrawable fuse operating handle.

Withdrawable voltage transformer

General description

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Instructions for access to the inside of a cubicle

AD cubicle

Markings Access1 To the lower compartment via the maintenance space or duct

(access same as for CT)).

2 Rear (dismantling is optional and has not been secured).

3 Facilitates access to cables (AD cubicle ), through the front(access same as for CT).

4 To the busbars (not possible for VT cubicle).

4 and 5 To the rear inter cubicle fastening screws.This sheet must be reassembled before installation of busbars.

6 To the lower compartment through the front (analogue access for VT and CT).

7 To the mobile part.

8 To low voltage compartment.

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Cubicle equipped with a withdrawable fusevoltage transformer

Cubicle with or without fixed voltage transformer (VT)

Removing front protection cover plates

It is recommended to padlock it in this position (see chapter “Padlocking and preventing access with padlocks”).

Close earthing switch (see chapter “Closing the earthing switch”).

Withdraw VT fuses (see chapter “Withdrawing VT fuses”).

In the case of a cubicle equipped with a fixed VT.

Close earthing switch (see chapter “Closing the earthing switch”).

It is recommended to padlock it in this position (see chapter “Padlocking and preventing access using padlocks”).

Dismantle the panel (10 screws).

To place back into operation, carry out operations in the reverse order of removal (closed earthing switch).

Closure

Open the protection switch of the VT secondaries which is located in the regrouping sleeve or in the LV compartment.

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To place back into operation, carry out operations in the reverse order of the removal.Closure

Remove the circuit-breaker (see chapter “Removing and inserting the mobile part”).

Removing the MV compartment separation sheet

Remove the access panel to VT mobile fuses (6 screws),as well as the U A angle bar ( 4 screws and 2 nuts ).

Open the protection switch of the VT secondaries which is located in the regrouping sleeve or in the LV compartment.

Remove screws A and remove the separation sheet from the MV compartment. .

To place back into operation, carry out operations in the reverse order of removal (closed earthing switch).

Closure

Remove the access panel to the connection compartment of MV cables (4 screws).

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Closing the MV connection compartment

Similar operation whatever type of VT

Removing and inserting fixed or withdrawable VTs

Closure

Removing the manhole sheet

For fixed VTs Tightening torque on VT: 30 Nm.

To place back into operation, carry out operations in the reverse order of removal.

On each VT, disconnect the connection rod, by unscrewing the nut, then removing the deflector, and raising the connection rod.

To place back into operation, carry out operations in the reverse order of removal.

On a cubicle equipped with VTs, remove them.

Remove the screws and remove manhole sheet.

Access to the connection compartment of MV cables is possible via the maintenance space at the cubicle manhole level.

Likewise, it is possible to access the maintenance space or duct through the inside of the cubicle.

See chapter “Instructions for access to the inside of a cubicle”.

Fixed VTs

Remove the VTs using the handle.Disconnect the VT low voltage connector.

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Access to lower busbars is possible through the maintenance space by removing the cubicle manhole sheet.

See chapter “Instructions for access to the inside of the cubicle”.

Lower

For access to busbars, see chapter “Instructions for access to the inside of the cubicle”.Upper

All operations described hereafter must be carried out in compliance with the safety standards in force, under the responsibility of a competent person.

Safety rules

Accessing busbars


Safety rules

Access to lower compartment (cables, CT, earthing switch, surge arresters)

Connect the VT low voltage connector. During the first VT insertion, cut and remove the connector immobilisation binding.

Access to the MV cable connection compartement is possible through the maintenance space by removing the cubicle manhole sheet (see chapter “Removing the manhole sheet”).

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Push the flaps upwards up to locking.To close, pull the flaps downwards up to locking.

Using a screwdriver, raise the vane to release the locking. Push the ball into the link axis.

Opening and closing upper flaps

The flaps fall downwards up to locking.To close, pull the flaps upwards up to locking.

Using a screwdriver, raise the vane to release the locking.Push the ball into the link axis.

Opening and closing lower flaps


Safety rules

Accessing plug-in pins

Before re-plugging in the mobile part, ensure that the shutters mechanisms have been put back into their initial position (locked closed). Failure to comply with this instruction may result in damage to the equipment.

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Installation and operation recommendation

It is strongly advised to periodically carry out, (minimun every 2 years approximately), a few operation cycles on operating devices.

Outside normal conditions of use, (between -5°C and 40°C , absence of dust, corrosive gas, etc.), it is recommended to examine, with our Schneider Electric services centre, the steps to be taken, in order to ensure correct functioning of the installation.

After 6 to 12 month operations, we recommend you to check the busbars and MV cable connection tightening.It should be done with a calibrated torque spanner, adjust to lower torque compare to values indicated in page 4.

Operation and maintenance

The necessity of correct implementation of connections:

New cold retractable or slip-on technology offers ease of installation that favours resistance over time.

Their design allows them to used in polluted environments with harsh climatic conditions.

Impact of the relative humidity factor:

Installing a heating device is essential in climates with high relative humidity levels and major temperature differences.

Ensure that draughts and / or thermal shocks are avoided in all cubicle compartments in order to avoid the creation of dew points (sources of partial discharges).

the switchgear’s resistance to ageing in an MV substation depends on 3 main factors:

The equipment must be installed in conformity with the relevant IEC standard. Outside of these normal usage conditions, we recommend contacting Schneider Electric to determine the operations to be carried out as well as their frequency according to the actual service conditions.

Ventilation control:

Grid size must be suited to the power dissipated in the substation. These grids must be placed exclusively in the vicinity of the transformer, in order to avoid air circulation on the LV switchboard.

If no problems are detected and if the busbars and cable connections haven’t been modified, it will not necessary to do again this check. In case of dismantling, the elastic washers must be change and replace by new ones supplied by Schneider Electric.

Our service centre is at your disposal at any time:

- To undergo an installation diagnostic,

- To offer you, if need be, suitable maintenance operations,

- To offer you maintenance contracts,

- to offer you adaptations.

b Version 3600 A / 4000 A: We strongly recommend that you clean the ventilation grids regularly (every 2 years):

A : standard grids B : grids on RHB version.

b A fan monitoring system must be installed with the cubicle control and monitoring devices. Permanent operation of the following must be guaranteed: - 1 fan for version 3600 A - 2 fans for version 4000 A.

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Close the earthing switch.

See chapter “Closing the earthing switch”.

Check voltage absence.

Voltage indicator lights are not lit.

On outgoing cables(without VT)

Voltage injections on MV cable heads

Cables connected to injection tools.Open earthing switch.Test condition

MV cable tests

Once the cables are energised, the voltage indicator lights should light up.

A: voltage presence indicator light (1 for each phase)B: connection points enabling a phase concordance unit to be connected.

The indication of a VPIS alone does not suffice to ensure that the system is de-energised: if the operation rules require this, then suitable voltage detectors in compliance with IEC 61243 must be used for this.

VPIS must not be used as a VDS (Voltage Detecting Systems).

Instruction for use

The definite “voltage presence” indication is ensured on the voltage range stipulated by IEC 61958.

Characteristics:

VPIS : Voltage Presence Indicating System, a box with 3 integrated lamps.

Cubicle equipped with VPIS voltage indicator boxes

Voltage presence on MV cables

Steps for the tests

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Open the earthing switch. See chapter “Opening the earthing switch”, then carry out the tests.

At the end of the tests:

- Close the earthing switch- Remove the accessories.

Connect the voltage injection circuit to cable lugs.

Remove front protective cover plates.

See chapter “Instructions for access to the inside of a cubicle”.

Steps for the tests

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Operating Instructions

Lock the latching mechanism by pushing in, then tipping the 2 OED notching operating mechanism handles to the right (check latching mechanism).

Block the 2 ERT castors.

Bring the ERT into position (the pins entered into the holes intended for this purpose on the cubicle).

Disconnect the LV auxiliary cord by pressing on the red button and by pulling the socket lock (circuit-breaker or contactor).

Open the access door to the mobile part by pulling then turning the handle towards the right.

Extraction

...the operating mode is identical when using the extraction table.These tools can be adjusted in width and height. See the corresponding manuals.

Note: the following operations are described using the extraction and insertion tool application and the removal of mobile ERT parts ...

Cubicle + mobile partin a disconnected /test position.

Starting status

Extracting or inserting the mobile part

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Close the access door to the mobile part by turning the handle towards the left, then pushing it.

Before closing the access door to the mobile part, pull down the panel.

Unblock the ERT castors.Remove the ERT then place the mobile part on the ground by activating the handle.

Disconnect the ERT by turning the 2 notching operating mechanism handles towards the left then pulling them.

Change the position of selector switch 2 to

and then, using handles A, remove the mobile part. Bring it up against to be butted against the ERT.Change the position of selector switch 2 back to .

Note: moving the circuit-breaker on the ERT must be done near the ground.

Remove the ERT.

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Plug in the LV socket, to do so, push and keep pressing the red button located under the lock pressed down. Push the lock.

Connect the cord and notch it.

Disconnect the ERT by turning then pulling the 2 notching operating mechanism handles to the left.

Unblock the 2 ERT castors and remove it.

Change the position of selector

switch 2 to . Push the mobile part into the cubicle until butted against it then change the position of selector switch 2 back to .

Lock the latching mechanism by pushing in, then turning towards the right the 2 ERT notching operating mechanism handles (check latching mechanism).

Bring the ERT into position. (the pins entered into the holes intended for this on the cubicle).Block the 2 ERT castors.

Open the access door to the mobile part by pulling then turning the handle towards the right.

insertion

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Close the access door to the mobile part by turning the handle to the left then pushing it.

Before closing the access door to the mobile part, lift the panel, and ensure that it is well notched at the top.

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Change the position of selector switch 2

to .

Insert the crank into opening 3.

Plug in the mobile part by turning the crank (45 turns) clockwise until the position indicator changes status.

Lower the protective flap of push-button 1.Press push-button 1, and while keeping it pushed down. Change the position of selector switch 2

to .

Operation

Door closed Selector switch 4 to (open earthing switch)

Selector switch H in plug-in or drawout position to

Starting status

Plugging in the mobile part

The pictogram with a black background on the front plate is a reminder of the operations.

In the case of a circuit-breaker or a contactor, the electric operation for charging the downstream part of installation is now possible.


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The mobile part is withdrawn.The cubicle is in the disconnected position.


to .

Insert the crank into opening 3. Withdraw the mobile part by turning the crank (45 turns) anti-clockwise until the position indicator changes status.

Press push-button 1 (which sends an order for the mechanical opening of the circuit-breaker).While keeping it pushed down, change the position of selector switch 2 to .

Operation

The mobile part in the plugged-in position.

Starting status

Withdrawing the mobile part

The pictogram with a black background on the front plate is a reminder of the operations.

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Insert the crank into the pin of operating axis 5, and turn it clockwise until the position indicator changes status.

Closing is accompanied by a noise (sudden closing).

Change the position of selectorswitch 4

to , by pulling it and turning it towards the right.

Operation

Any potential locks must enable the operation to be carried out.

Check that the voltage presence lights are not lit.

The mobile part is in a disconnected position or in an extracted position, that is, absent from the cubicle.

Starting status

Closing the earthing switch

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The pictogram with a yellow background on the front plate, is a reminder of the operations.

The earthing switch is in the closed position.

The MV cable heads are short-circuited and earthed.



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Any potential locks must enable the operation to be carried out.

Closed earthing switch

Starting status

Opening the earthing switch

Change the position of selector

switch 4 to by pulling it and turning it towards the left.

Insert the crank into operating axis 5, and turn it anti-clockwise until the position indicator changes status.The change of status is accompanied by a sudden closing noise.


to , by pulling it and turning it towards the left.

Operation

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The earthing switch is in the open position.

The pictogram with a yellow background on the front plate, is a reminder of the operations.

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Insert the crank into operating axis 7, and turn it clockwise until it is plugged in.Plug-in is completed when resistance can be felt (stop).



Operation

Selector switch 6 to

Assembled lower panelStarting status

Plugging in VT fuses

The pictogram with a blue background on the front plate, is a reminder of the operations.

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to , by pulling it and turning it towards the left (this authorises the removal of the fuse access panel).

Insert the crank into operating axis 7, and turn it anti-clockwise until drawout.


to , by pulling it and turning it towards the left.

Operation

Selector switch 6 to

Assembled lower paneStarting status

Withdrawing VT fuses

The pictogram on the front panel, is a reminder of the operations.

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Press on the flap guide, and place the slides (1 and 2, 1 or 2) then place the padlocks in the holes.

The flap operating mechanism is located inside the cubicle, on the right side.

On the operating mechanism of the plug-in contact flaps, when they are closed.

Close with padlock

Preventing the opening of a compartment flap on the withdrawable part (option)

Place 1 to 3 padlocks on the plug-in prevention selector switch H.

Plug-in prevention in

Preventing the plug-in of a mobile part

3 padlocks on the selector switch of plug-in or drawout VT fuses.

1 padlock on the operating mechanism of each of the plug-in contact flaps

3 padlocks on the plug-in prevention selector switch.

1 padlock on the protective flap of the mechanical opening push-button of the mobile part.

3 padlocks on the earthing selector switch in the opened or closed position.

Nota : used padlocks Ø 6 to 8 mm.

Number of possible padlocks per cubicle type

Padlocking and preventing access using padlocks

The metal sheet must be installed before to insert the circuit-breaker.

to get to the shutters mechanism, you must remove the metal sheet closing(2 screws A).

40 kA/1s internal arc withstand:

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Withdrawn fuses:place 1 to 3 padlocks on selector switch 6 to prevent plug-in.

plugged-in fuses:place 1 to 3 padlocks on selector switch 6 to prevent drawout.This also prevents removalof the front panel.

Padlocking the operation of VT fuses

Closed earthing switch: place 1 to 3 padlocks on selector switch 4 to prevent opening.This also prevents the plug-in of a mobile part.

Open earthing switch: place 1 to 3 padlocks on selector switch 4 to prevent closure.

Padlocking the earthing switch

Place 1 padlock on the mechanical opening push-button protective flap 1.

Can also serve as an additional plug-in and drawout lock out.

Preventing the mechanical opening order of a withdrawable part in an operational position

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(2 O) or (2 F) or (1 O et 1 F) or (1 O) or (1 F).

Locking the earthing switchwith two locks

1 lock in open position1 lock in closed position

Locking the earthing switchwith a lock

The wrench is only released when plug-in prevention is locked.

Closed disconnector

Plugged in disconnector carriage

Locking the disconnector carriage in the plug-in position

Locking the plug-in prevention of a mobile part.

Locking on a cubicle

Disconnector carriage (withdrawable busbar bridges): 1 lock in the plugged-in position (on the disconnector).

Mobile part in a drawn out position: 1 lock on the cubicle (2 O) or (2 C) or (1 O and 1 C) or (1 O) or (1 C): on earthing switch.

Number of possible locks

Locking using locks (option)

The wrench is only released when the mobile part is in the plug-in and locked position.

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The electromagnet automatically locks plug-in padlocking when it is activated.

A push-button located on the low voltage compartment authorises unlocking,if switchboard configuration is certain.

Electromagnetic locking prevents the plug-in of a mobile part.

Locking on a cubicle

The electromagnet automatically locks the earthing switch in the “open” and “closed” position.

A push-button located on the low voltage compartment authorises the operation of selector switch 4, if switchboard configuration is certain.

Locking the earthing switch

Locking using an electromagnet (option)

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Corrective maintenance

Summary table

- Nylstop (self-locking nut)- Contact washer- Stop rings- Mechanical pin.

Careful: during replacement, all the following accessories must absolutely be replaced by new equipment.

For any other intervention,call upon the nearest Schneider group agents.

After each operation, carry out electric tests in compliance with the standards in force.

Corrective maintenance operations allow for defective subassemblies to be replaced.

The operations mentioned in the summary table here after can be carried out by the customeror by Schneider Electric After Sales agents.

Forward

Description Execution Comments

Replacement on FU (cubicle AD or CL)

Busbar rating

Earthing switch clamps and capacitive isolators For any intervention,

Plug-in pins call the nearest

Upper and lower bushing Schneider Electric

Increase in the number of cables agents.

Flaps and flap operating mechanisms

Extraction of a cubicle

VT fuse Customer/ See the following page

VPIS voltage indicator box Customer/ See the following page

CT Customer/ See Kit no. 07897207 instructions

Anti-condensation resistor Customer/ Consult us

Earthing switch position auxiliary contact block Customer/ See Kit no. 07897324 instructions

Surge arrester Customer/ Consult us

Locking using plug-in padlocking lock(s) Customer/ See Kit no. 07897330 instructions

Plug-in padlocking electromagnetic locking Customer/ See Kit no. 07897326 instructions

Locking using earthing switch lock(1) Customer/ See Kit no. 07897328 instructions

Locking using earthing switch locks(2) Customer/ See Kit no. 07897329 instructions

Earthing switch electromagnetic lockin Customer/ See Kit no. 07897325 instructions

Locking using lock(s) for prevention of withdrawal Customer/ Consult us

Zero frequence toroid Customer/ See Kit no. 07897216 instructions

VT and VT compartment Customer/ See Kit no. 07897218 instructions

High voltage contacts on VT fuses Customer/ See Kit no. 07897219 instructions

MV handles Customer/ See Kit no. 07897220 instructions

Cable connection bar support isolators Customer/ Consult us

Circuit-breaker carriage position auxiliary contacts Customer/ See Kit no. 07897222 instructions

Withdrawable VT auxiliary contacts Customer/ Consult us

Withdrawable VT fuse blowing auxiliary contacts Customer/ See Kit no. 07897223 instructions

Printed circuit and relay support (STPI) Customer/ Consult us

Replacing the fans on 3600 A / 4000 A cubicles Customer/ See page 41

Cleaning ventilation grids on 3600 A / 4000 A cubicles Customer/ See page 17

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1: raise vane A2: disconnect the small vertical rod B3: pivot the striker pads C into a horizontal position4: carefully remove the pin from the striker pads D.

Removing

Remove the protective panel (see chapter “Instructions for access to the inside of a cubicle”).

Withdrawn fuses and disconnected VT low voltage connector (see chapter “Operating instructions”).Starting position

Replacement of VT compartment fuses

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1: push wrench E

2: turn it towards the right and let go. The fuse is locked, check the wrench latching mechanism.

Place the fuses, with the strikers on the outside.

Fit the wrenches on the fuses (spring towards the bottom).

Place the spring on the wrench and check that it is butted against the bottom of the wrench and positioned between the two clips indicated by the arrows.

5: push wrench E and turn towards the left and let go. The fuse is unlocked.

6: Remove the wrench and the fuse.

Placing

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Place protective panel (see chapter “Instructions for access to the inside of a cubicle”).

Connect the VT low voltage connector (see chapter “Operating instructions”).

Operation

3: carefully insert the pin on the striker pads D.

4: raise vane A to place the striker pads C in a vertical position.

5: connect the small vertical rod B to ensure free operation of the small rod.

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Tightening torque: 0.1 mdaN.

Place the new voltage indicator box in the reverse order of removal.

Check on the characteristics label (B) that the new box corresponds to the rated voltage of your network.

- 1.7 kV to 3 kV- 3 kV to 7.2 kV- 10 kV to 24 kV.

Remove the voltage indicator box (B) and disconnect the connector.

Remove the 2 fastening screws (A) from the voltage indicator box.

This operation can be carried out while the equipment is energised.

Removing

Replacing of a voltage indicator box

Placing

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Replacing the capacitor

3: disassemble the 8 screws (C) securing the fan to the cover of compartment (A).

1: disassemble the 10 screws (A) take off the cover.

2: disconnect the wires (D) mark the wires when disassembling.

With or without capacitor

Replacing the fans on 3600 A / 4000 A cubicles

Remove the roof plate on each cubicle (6 screws).

To acc the capacitor.

With power off.

Removing withpower off.

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Fit the fan and the capacitor (if necessary) in the opposite order to disassembly.Putting back the new capacitor

Disassemble the nut and washer (B).Mark the wiring and disconnect (A).

Check on the characteristics label that the new fan and capacitor match the rated voltage indicated.

- 5 1237 333FA 220 Vac- 5 1237 333FB 110 Vac- 5 1237 333FC 48 VD.

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Schneider Electric Industries SAS89, boulevard Franklin RooseveltF-92506 Rueil-Malmaison CedexTel: +33 (0)1 41 29 85 00www.schneider-electric.com

07897302EN - REV. C0 10/2005

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As standards, specifications and designs change from time to time, please ask for confirmation of the information given in this publication. Thisdocumenthasbeenprinted onecologicalpaper.

Publishing: Schneider Electric Industries SAS.Design: Profil.Printing:

Schneider Electric group service centers are there to provide: - engineering and technical assistance,- commissioning,- training,- preventive and corrective maintenance,- adaptation work,- spare parts.

Call your sales representative who will put you in touch with your nearest Schneider Electric group service center or directly call the following telephone number: +33 (0)4 76 57 60 60 Grenoble France.

Mcset User Manual

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