82592 Specimen Manual Instruction 1xv

Content Instruction Manual

Generator circuit-breaker SF6 FKG1XV With spring operating mechanism FK3-12

Non contractual picture refer to the customer general arrangement

This equipment contains Fluorinated Greenhouse Gas (SF6) covered by the Kyoto Protocol, which has a Global Warming Potential (GWP) of 22200. SF6 should be recovered and not released into the atmosphere. For further information on the use and handling of SF6, please refer to IEC 62271: High-Voltage Switchgear and Controlgear - Part 303: Use and Handling of Sulphur Hexafluoride (SF6). Administrator AHT First issue 14/01/2009 Compiled by H.CHEVALIER Approved by M. FARIS

C

AREVA

D.EN01 1/4


EN

C

AREVA

D.EN01 2/4


SafetyProduct safety sheets PS0000EN03

Technical dataTechnical characteristics G10-100EN03

Description and operationGeneral description of the circuit-breaker General description of ventilation system Electrical components complementary to the circuit breaker Description of circuit-breaker pole Pole operation of circuit-breaker (interrupting principle) Monitoring principle of the ventilation system for circuit breaker Operating device of circuit-breaker Switch operating mechanism(s) SF6 gas monitoring G12-001EN08 G12-020EN03 G12-051EN02 G12-109EN02 G13-001EN01 G13-012EN02 48-020-212EN01 M14-005EN03 M20-002EN02

Shipping and storagePackaging - Identification - Storage Cases identification S22-001EN04 G25-001EN01

InstallationErection general instructions Tightening torques Checking for presence of SF6 gas in poles Removing (Re-install) the covers of enclosure for intervention Circuit-breaker erection On site installation of the ventilation system Connecting of starting disconnector with/ or without fuses Measuring main circuit resistance Connection with preparation of contact surfaces Filling with SF6 gas S30-001EN02 S31-001EN03 G31-061EN02 G31-082EN01 G31-201EN11 G31-221EN04 G31-301EN02 G31-401EN01 G31-501EN03 M32-001EN05

C

AREVA

D.EN01 3/4


CommissioningPre-commissioning inspections Commissioning test report Acceptance criteria G34-001EN03 RES337EN001 CA400321-3EN005

MaintenanceMaintenance plan Electrical wear limits Electrical contact densimeter threshold inspection Replacing the electrical contact densimeter Replacement of enclosure cover seals Troubleshooting G51-001EN05 G51-051EN02 G51-101EN02 G51-161EN01 G51-202EN03 G52-001EN02

ToolingTooling and accessories G60-001EN06

Equipment end of lifeDismantling and recovery of components from a circuit breaker Management of SF6 gas Instructions on the handling of used SF6 gas and decomposition products G80-000EN01 G80-001EN01 G81-001EN02

Client drawingsGeneral arrangement Elementary diagram Nameplate engraving SF6 pressure scale SF6 Elementary diagram Interlocking diagram VS..GAD01D VS..EDD01D VS..NPD01D VS..SPD01D VS..IDD01D

C

AREVA

D.EN01 4/4

TRANSMISSION & DISTRIBUTION

High voltage switchgear

SUMMARY

of PRODUCT SAFETY SHEETS for equipment * manufactured by AREVA T&D - AHT

SUBJECT Summary Working environment Handling Operations Pressurized Equipment SF6 : Use and Handling. Chemicals Electrical Equipment Machinery Operation Maintenance

Reference N PS 0000EN PS 0001EN PS 0002EN PS 0003EN PS 0004EN PS 0005EN PS 0006EN PS 0007EN PS 0008EN PS 0009EN

Revision 03 02 02 02 02 02 02 03 03 03

Remarks

Not applicable to pneumatically operated circuit breakers

* : excluding lightning arresters.

PS 0000EN Sheet N

03 Revision

G. BERNARD Written by

1998-08-12

Ch. MANIN Signature Approved by

29/08/98

1/1 Signature Page

Date

Date

This page is intentionally blank.



SAFETY SHEET

WORKING ENVIRONMENT

CAUSE OR ORIGIN OF HAZARD. Any negligence as regards site organisation may cause an accident.

WORK REQUIREMENTS.

All remedial action, for all life-cycles of the equipment, must be carried out in a safe working environment.

SAFETY INSTRUCTIONS.

OBSERVE ALL GENERAL INSTRUCTIONS GOVERNING INSTALLATION, COMMISSIONING AND OPERATION IN ACCORDANCE WITH CURRENTLY ACCEPTED PRACTICES AS WELL AS THOSE LAID DOWN IN THE DOCUMENTATION SUPPLIED WITH THE EQUIPMENT.

PS 0001EN Sheet N

02 Revision


1998-08-12

P. VANDAME Signature Approved by

98-08-28

1/2 Signature Page

Date

Date



MAINTENANCE X X X X

INSTALLATION

SAFETY INSTRUCTIONS

1 Personnel : Appropriate clothing, gloves, helmet, safety boots, harness, etc.. The personnel concerned must be familiar with the basic working regulations governing a given work station: mechanical, dielectric, pressure hazards, etc..

X

X

X

X

X

2 Handling Equipment : This must be in good working order, regularly maintained, properly adjusted and compliant with the standards in force in the country of use. X X X X X X

3 Tools in General : Only use tools appropriate to the type of work to be carried out. X X X X

4 Working Area : Make sure the floor is safe (free from oil, blunt objects, etc.). The site must be properly demarcated and kept clear. X X X X

PS 0001EN Sheet N

02 Revision

1996-03-18 1st issue

1998-08-12 Revision date

2/2 Page

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SAFETY SHEET

HANDLING OPERATIONS

CAUSE OR ORIGIN OF HAZARD. Any handling operation may involve danger :

-

for the personnel,

- for the equipment being handled, - for the installations or equipment in the vicinity.

WORK REQUIREMENTS.

As a general rule, handling operations must be carried out by personnel familiar with the basic handling regulations, using equipment in good working order, and wearing the appropriate protective clothing or equipment. Ensure that the condition of the cases is such that they can be safely handled (state of the wood, shock-resistance, etc.).



PS 0002EN Sheet N

02 Revision


1998-08-11

F. PIRAUD Signature Approved by

98-09-08

1/3 Signature Page

Date

Date



MAINTENANCE X X X X X X X

INSTALLATION

SAFETY INSTRUCTIONS

Handling operations must be carried out by personnel familiar with the basic handling regulations.

X

X

X

X

X

Personnel must be qualified to operate equipment, cranes, overhead conveyors, etc..

lifting

X

X

X

X

X

Equipment in proper working order : Equipment must be checked and maintained regularly in accordance with local regulations. All equipment must be properly housed. X X X X X X

Familiarity with the load to be handled (see details on the case).

X

X

X

X

X

Use of the appropriate handling equipment : Type of sling(s), Correct slinging methods, Use of special AREVA handling equipment. X X X X X X

Follow the handling instructions on : the cases (pictorial symbols: centre of gravity, slinging points, etc.), the assembly instructions. X X X

Compliance with the relevant work station safety instructions (proximity of electrical equipment).

X

X

X

X

Operator Safety : use of gloves, helmets, safety boots, etc., loads not to be carried with personnel underneath. X X X X X X

PS 0002EN Sheet N

02 Revision

1996-03-18 1st issue


2/3 Page

SCRAPPING & RECYCLING X X X X

OPERATION

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MAINTENANCE X X X

INSTALLATION

SAFETY INSTRUCTIONS

Handling of insulating jackets at transport pressure (300 hPa maximum).

X

X

X

Ensure that cases have not been damaged during handling or prolonged storage. Follow the stacking instructions. It is essential to open cases from the top and to take care when unpacking. X X

X

X

X

Before handling any hydraulically operated component, bring oil pressure back to atmospheric pressure.

Before handling any mechanically component, disable the springs.

operated

Bring insulating jacket working pressure back to transport pressure (300 hPa maximum).

PS 0002EN Sheet N

02 Revision

1996-03-18 1st issue


3/3 Page

SCRAPPING & RECYCLING X X X

OPERATION

TRANSPORT

PACKING

START-UP




SAFETY SHEET

PRESSURIZED EQUIPMENT

CAUSE OR ORIGIN OF HAZARD. Our equipment includes gas pressure assemblies (SF6, nitrogen, air, etc.) or fluids (oil).

WORK REQUIREMENTS. Comply with the storage, transport and operating instructions supplied with our equipment. Before initial filling and pressurizing, check the overall condition of the shielding concerned : no signs of impact, splitting or chipping on the porcelain components, etc., no visible damage to hoses and/or rigid pipes (cuts, folds, corrosion, etc.) or to fittings and metal protection (accumulators, tank, etc.).

SAFETY INSTRUCTIONS. OBSERVE ALL GENERAL INSTRUCTIONS GOVERNING INSTALLATION, COMMISSIONING AND OPERATION IN ACCORDANCE WITH CURRENTLY ACCEPTED PRACTICES AS WELL AS THOSE LAID DOWN IN THE DOCUMENTATION SUPPLIED WITH THE EQUIPMENT.

As a general rule, all work on pressurized equipment must be carried out by qualified personnel.

PS 0003EN Sheet N

02 Revision


1998-08-12

F. PIRAUD Signature Approved by

98-09-08

1/3 Signature Page

Date

Date



MAINTENANCE X X X X X X X X X X

INSTALLATION

SAFETY INSTRUCTIONS

1 1.1 1.2 1.3

Pressurized Equipment : General. Comply with the assembly instructions shown on both our equipment and the gas bottles. Before starting work on any pressurized piece of equipment, make sure there is no pressure. Before any handling, check to see how the equipment is fixed to its frame and how the frame is itself anchored. High-pressure pipes must be fixed or otherwise made safe. Before initial pressurization, check that all circuits are properly sealed. Never tighten a pressure fitting. Ensure that for every bolted connection for a volume under pressure there is an appropriate and properly fastened bolt at each relevant point. It is strictly forbidden to lift or otherwise move a piece of equipment inflated to a pressure in excess of 300 hPa of gas. Before giving any orders to move equipment, check visually or by ear that all the relevant pipe fittings are tight.

X

X

X X

X X

X X

X

X

X

1.4 1.5 1.6 1.7

X X X

X X X

X X X

X

1.8

X

X

X

1.9

X

X

1.10 Comply with the standard instructions governing the use of compressed gas bottles (e.g. keep the bottle away from any source of heat).

X

X

X

X

X

PS 0003EN Sheet N

02 Revision

1996-03-18 1st issue


2/3 Page

SCRAPPING & RECYCLING X X X

OPERATION

TRANSPORT

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MAINTENANCE X X X X X X

INSTALLATION

SAFETY INSTRUCTIONS

2 2.1 2.2

SF6 Pressure Equipment. See SF6 Safety Sheet. An effective pressure of 300 hPa, used for the transport and storage of our products, is not regarded as a potential hazard. Always fill the unit using the appropriate equipment, which should include a safety valve. Do not inflate over and above the prescribed pressure. It is strictly forbidden to release SF6 to atmosphere. All discharged gas must without exception be recovered. Hydraulic Equipment. Circuit Purging. This must be done under pressure. Use the appropriate equipment. Hydraulic Control Unit. The doors must be kept shut except when control tests are being carried out. X X X X X X

X

X

X

2.3

X

X

2.4

X

X

2.5

X

X

X

3 3.1

X

3.2

X

X

PS 0003EN Sheet N

02 Revision

1996-03-18 1st issue


3/3 Page

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SAFETY SHEET

SF6 Use and Handling

CAUSE OR ORIGIN OF HAZARD. Sulphur hexafluoride (SF6) is a gas which in its basic state is colourless, odourless and tasteless. It is not toxic, but it cannot sustain life. It is a heavy gas that is dispersed slowly into the atmosphere. In its natural state, SF6 is delivered and stored in pressurized tanks (bottles or spheres) at a pressure of approximately 20 bar at 20C (in its liquid form) and complies with IEC standard 376. However, under the effect of the electric arc, the SF6 molecules break up and the elements mostly recombine during cooling either due to extinction of the arc or by regeneration caused by the presence of active absorbent charges within the circuit breaker. Various chemical reactions, associated with the volatilization of the materials in contact with the electric arc, create either fluoridized or sulphurous secondary gas products or solid products in the form of metallic fluoride powder ; or again, in the presence of traces of water or moisture, hydrofluoric acid or sulphur dioxide. In the life-cycle of the equipment, SF6 can be observed not only in its pure state, but also in its contaminated state : the use of new SF6 for filling or adding, leaks under normal operating conditions, maintenance involving the opening of circuit breakers containing old SF6 (decomposition products), abnormal conditions (internal arc fault causing the shielding to break), circuit breaker recycling on end of life-cycle.

WORK REQUIREMENTS. Follow the instructions for the transport of pressurized containers. The storage of these containers is governed by the same storage regulations as compressed gas bottles : keep away from any source of heat and in a cool, dry and well-ventilated area, always fit a pressure reducing valve.PS 0004EN Sheet N 02 Revision G. BERNARD Written by1998-08-12


29/8/98

1/3 Signature Page

Date

Date



Whilst SF6 in its pure state is not toxic, the decomposition products have varying degrees of toxicity. They may irritate the skin, the eyes and the mucous membranes; and in massive amounts may cause serious lesions (oedema, heart failure, circulatory disorders and unconsciousness). However, very rapidly and before there is any real danger, signs such as a pungent smell, irritation of the mucous of the nose, the eyes and the mouth will give a warning and the personnel concerned will have sufficient time to take the necessary safety actions. Where the gas is used or handled within enclosed premises, ensure adequate ventilation, especially low down. If the gas is inhaled, the area concerned must be evacuated immediately. Under normal operating conditions, leaks are exceptionally minor and not critical, even when the gas contains impurities (due to the regenerating filters in the circuit breaker). Filling and where necessary topping up operations must be carried out using the appropriate tools. During maintenance operations, or at the end of the life-cycle, dust inside the equipment must be removed by a vacuum extractor and the operator should wear a mask. Gas recovery must be carried out using the appropriate gas recovery equipment. Gases and decomposition products must be treated and/or disposed of by specialist organizations. Under extremely abnormal conditions (e.g. break in the shielding) in an enclosed space, individual protective equipment is recommended. Lastly, it is forbidden to smoke, drink, eat or keep food in the vicinity of open SF6 equipment, whether indoors or outside (harmful dust).


It is essential that both the fitter and the user read IEC Technical Report 1634 regarding the use and handling of sulphur hexafluoride gas.

PS 0004EN Sheet N

02 Revision

1996-03-18 1st issue


2/3 Page



MAINTENANCE X X

INSTALLATION

SAFETY INSTRUCTIONS

Transport of SF6

X

X

Pure SF6

X

X

X

X

Contaminated SF6

X

PS 0004EN Sheet N

02 Revision

1996-03-18 1st issue


3/3 Page

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OPERATION

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SAFETY SHEET

CHEMICALS

CAUSE OR ORIGIN OF HAZARD. Generally speaking, the products used for installation and commissioning are bought chemical products, namely : Hydraulic oil Touching-up paint Grease Isopropanol Loctite Drying agents

These must be kept in their original packing and the tops replaced after use. Some packing products require careful handling as they may contain preservatives. WORK REQUIREMENTS. As a general rule, chemical products must be used and stored away from any source of heat. Smoking is to be avoided. Avoid contact with the skin and any splashes to the eyes. Take the basic health and safety precautions. Products and packing must be destroyed in accordance with local environmental regulations. SAFETY INSTRUCTIONS. OBSERVE ALL GENERAL INSTRUCTIONS GOVERNING INSTALLATION, COMMISSIONING AND OPERATION IN ACCORDANCE WITH CURRENTLY ACCEPTED PRACTICES AS WELL AS THOSE LAID DOWN IN THE DOCUMENTATION SUPPLIED WITH THE EQUIPMENT.

Other products: SF6 (see relevant sheet)

PS 0005EN Sheet N

02 Revision


1998-08-12


29/8/98

1/2 Signature Page

Date

Date



MAINTENANCE X X X X

INSTALLATION

SAFETY INSTRUCTIONS

Drying Agents

X

X

X

Hydraulic Oil

X

X

X

X

X

Consumables (Grease & Paint) (Isopropanol) Loctite

X

X

X X

X

PS 0005EN Sheet N

02 Revision

1996-03-18 1st issue


2/2 Page


OPERATION

TRANSPORT

PACKING

START-UP



SAFETY SHEET

ELECTRICAL EQUIPMENT

CAUSE OR ORIGIN OF HAZARD. Our equipment is subjected to high and low tension loads that could expose the personnel to the risk of electrocution.

WORK REQUIREMENTS. The operating company is responsible for ensuring compliance with the safety instructions governing high tension. The basic regulations in respect of low tension installations must also be complied with.


All work on high-tension networks and low-tension installations must be performed by qualified operators wearing personal protective clothing and using the appropriate tools and equipment.

PS 0006EN Sheet N

02 Revision


1998-08-12

G. RENAUDIN Signature Approved by

1998-09-02

1/2 Signature Page

Date

Date



MAINTENANCE X X X X

INSTALLATION

SAFETY INSTRUCTIONS

1

High Tension. 1.1 Comply with the regulations governing the work station. 1.2 In the case of items equipped with capacitors, make sure they are discharged prior to removal and short-circuited while work is being carried out.

X

X

X

2

Low Tension. 2.1 Prior to any work on the low-tension circuit or equipment, cut off the power supply. 2.2 When replacing an electrical component on the control equipment, follow the safety instructions shown in the "Machinery" safety sheet. X X X X

X

PS 0006EN Sheet N

02 Revision

1996-04-04 1st issue


2/2 Page


OPERATION

TRANSPORT

PACKING

START-UP



SAFETY SHEET

MACHINERY

CAUSE OR ORIGIN OF HAZARD. Our equipment contains moving parts (linkage, levers, etc.), reserve power (springs, accumulators, etc.) and pressurized sheathing ; the associated hazards are dealt with in safety sheet "Pressurized Equipment" PS 0003/A.

WORK REQUIREMENTS. Follow the relevant AREVA operating and maintenance instructions. Prior to any work on the control equipment and the motion transfer mechanism, disable the springs on mechanically operated units and bring pressure back to zero for hydraulically operated units.


As a general rule, work on the control equipment and transmissions must be performed by qualified operators wearing personal protective clothing and using the appropriate tools and equipment.

PS 0007EN Sheet N

03 Revision


1998-08-12

G. RENAUDIN Signature Approved by

1998-09-02

1/2 Signature Page

Date

Date



MAINTENANCE X X X X X X

INSTALLATION

SAFETY INSTRUCTIONS

1

Moving Parts.

1.1 Before any work is carried out on transmission components, ensure that the control equipment has been deactivated. 2 Spring-operated Mechanism.

X

X

X

2.1 Before any work is carried out, cut off all power to the reset motor. 2.2 Deactivate the opening and closing springs in accordance with AREVA instructions. 2.3 Make sure that all safety rules are complied with while the work is being carried out. 3 Hydraulic Mechanism.

X X X

X X X

X X X

3.1 Before any work is carried out, cut off power to the motor pump. 3.2 Reduce the pressure of the hydraulic circuit to zero.

X X

X X

X X

PS 0007EN Sheet N

03 Revision

1996-04-04 1st issue


2/2 Page

SCRAPPING & RECYCLING X X X X X X

OPERATION

TRANSPORT

PACKING

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SAFETY SHEET

OPERATION

CAUSE OR ORIGIN OF HAZARD. If the unit shows any sign of an unwanted condition, it must be examined by the user.

WORK REQUIREMENTS.

The operators concerned must be suitably qualified and must comply with the normal operating and maintenance instructions issued by AREVA. Depending on the severity of the fault observed, the necessary corrective measures must be taken, e.g :

- replenish the SF6 gas in the event of a leak,-

isolate the system in the event of a major malfunction.



PS 0008EN Sheet N

03 Revision


1998-08-12


98.08.28

1/2 Signature Page

Date

Date



MAINTENANCE X

INSTALLATION

SAFETY INSTRUCTIONS

COMPLY WITH THE SPECIFIC INSTRUCTION PROVIDED IN THE FOLLOWING CASES :

Opening malfunction : to do with the sequencing chain, following a mechanical fault. X X

Cut-off failure.

X

External dielectric flash-over.

X

SF6 pressure drop due to either : major leak (switch to 2nd threshold), no 1st threshold alarm complement. X X

Loss of motor power : oil, compressed air, component failure.

X

X

Activation of safety device, if fitted. Use only the appropriate recommended by AREVA. Abnormal noise. products

X

X

X

X

X

X

PS 0008EN Sheet N

03 Revision

1996-03-18 1st issue


2/2 Page

SCRAPPING & RECYCLING

OPERATION

TRANSPORT

PACKING

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SAFETY SHEET

MAINTENANCE

CAUSE OR ORIGIN OF HAZARD. To ensure safe and unimpaired operation of the equipment, regular maintenance is essential. Neglected maintenance can create hazards. Maintenance operations involve hazards that must be guarded against. WORK REQUIREMENTS. Comply with the maintenance programme and service intervals shown in the AREVA manuals. In addition, every maintenance operation must comply with the following requirements : it must be carried out by suitably qualified personnel, both the work involved and the associated hazards must be clearly identified beforehand, the tools and equipment used (standard or specific to AREVA) must be appropriate and in proper working order, any replacement parts must be AREVA parts.

SAFETY INSTRUCTIONS. OBSERVE ALL GENERAL INSTRUCTIONS GOVERNING INSTALLATION, COMMISSIONING AND OPERATION IN ACCORDANCE WITH CURRENTLY ACCEPTED PRACTICES AS WELL AS THOSE LAID DOWN IN THE DOCUMENTATION SUPPLIED WITH THE EQUIPMENT. Refer to the relevant SAFETY sheets. The safety instructions below are general and not exhaustive. They should therefore be modified and/or supplemented for all specific maintenance operations to be carried out.

PS 0009EN Sheet N

03 Revision


1998-08-12


98.08.28

1/2 Signature Page

Date

Date



MAINTENANCE X X X X X X X

INSTALLATION

SAFETY INSTRUCTIONS

Identify the equipment to be worked on and ensure it is switched off. Obtain as much information as possible from the user regarding the condition of the unit. Check that the unit is earthed both upstream and downstream. Demarcate the work area. Ensure that the operator is equipped with the personal protective clothes and equipment required (safety glasses, gloves, safety boots, harness, etc.). Ensure that the equipment used is compliant and in good condition (scaffolding, slings, suspended platforms, electrical equipment, tools, etc.). Ensure that the safety instructions in respect of each particular hazard are complied with.

X

X

X

X

X

X

X

PS 0009EN Sheet N

03 Revision

1996-03-18 1st issue


2/2 Page

SCRAPPING & RECYCLING X X X X X X X

OPERATION

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Technical data

Technical characteristics FKG1 technical characteristicsPerformances See C.B performances on customer drawing Text to be engraved :

SF6 gas

The table below gives the SF6 gas characteristics : FKG1 Minimum admissible temperature : up to SF6 gas density pre pae pme i.e. effective pressureat 20C(68F) and 101.3 kPa Filling rated pressure for + 0,01 pre - 0 the insulation pae pme Alarm pressure for the insulation+ 0,02 - 0 -

-25C (--13F) 57.04 kg/m3 48.86 kg/m3 46,68 kg/m3

-22C (--7.6F) 64.65 kg/m3 55,44 kg/m3 53.19 kg/m3

Minimal pressure for the + 0,02 - 0 insulation SF6 mass for one three-pole circuit-breaker

0,75 MPa 0,85 MPa (108,8 p.s.i.) (123,3 p.s.i.) 0.64 MPa 0,73 MPa (pme+0,03 MPa) (pme+0,03 MPa) (92.8 p.s.i.) (105.9. p.s.i.) 0,61 MPa 0,7 MPa (88.5 p.s.i.) (101.6 p.s.i.) 1N=33 kg 1N=37 kg 1F=39 kg 1F=44 kg 1X--1XP=58 kg 1X--1XP=66 kg 1XV--1XW=58kg 1XV--1XW=66kg

The above characteristics are of a general nature, only those values given on the circuit--breakers rating plates are contractually binding.

Operating device

The table below gives low voltage components characteristics of the operating device : Auxiliary voltages (usual) : Ua Opening and closing circuits Heating (and lighting) circuits Motor Consumption : Closing and opening coils Permanent heating Thermostat heating (if temperature +5C) (+23F) Motor

48--110--125--220--250 V (dc) 240 V (ac) / 415 V (ac) / 127 V (ac) 110--220 (cc) or 240 V (ac) 440/340 W 3.3A x 125 dc = 400W 300 W + 45 W fixed 300 W / cubicle 1800 W (dc) or 2700 VA (ac)

The above characteristics are of a general nature, only those values given on the circuit--breakers rating plates are contractually binding.

10--2007E AREVA

G10-100EN03 1/2

Technical data

Technical characteristicsThis page is intentionally blank.

10--2007E AREVA

G10-100EN03 2/2

Description and operation

General Description of the Circuit breaker FKG1N / F / X Circuit breaker with FK3-12 spring-powered controlsDescription The equipment comprises three poles with sheathing actuated by a three--pole spring--powered control. For the precise composition of the cell, see client sketch.Non contractual picture refer to the customer general arrangement

Illustration

FKG1F/XE

D C D B A

F

FKG1N

Components

The following table lists the principle components of the circuit breaker: Mark A B C C D E F Component Circuit--breaker pole Chassis CB assy. -- Control Section CB positional indicator status Disconnector position indicator status Low voltage cabinet Pole sheath Page 3--4 5 6 7 8 1 9

05--2009E AREVA

G12-001EN08 1/12


General Description of the Circuit breaker FKG1XP / XV / XW Circuit breaker with FK3- 12 spring- powered controls Description The equipment comprises three poles with sheathing actuated by a three--pole spring--powered control. For the precise composition of the cell, see client sketch.Non contractual picture refer to the customer general arrangement

Illustration

FKG1XVE

D

F C D B A

FKG1XW FKG1XW Extented

FKG1XP

Components

The following table lists the principle components of the circuit breaker: Mark A B C C D E F Component Circuit--breaker pole Chassis CB assy. -- Control Section CB positional indicator status Disconnector position indicator status Low voltage cabinet Pole sheath Page 4 5 6 7 8 2 10

05--2009E AREVA

G12-001EN08 2/12


General Description of the Circuit breaker Circuit breaker pole FKG1N / FIllustration

8

B A2 6

7

9

1

5

Components

The following table lists the principle components of the circuit breaker pole: Mark A B Component Active CB section Busbar disconnection section See Electrical components complementary to the circuit Breaker module Interrupting chamber Moving parts Fixed parts Current outlet sockets Rupture disk Heat dissipater fitted to the FKG1F CB pole SF6 gas connection

1 2 5 6 7 8 9

05--2009E AREVA

G12-001EN08 3/12


General Description of the Circuit breaker Circuit breaker pole FKG1X / XP / XV / XWIllustration

8

B A6

7

2

9

1

5

Components

The following table lists the principle components of the circuit breaker pole: Mark A B Component Active CB section Busbar disconnection section See Electrical components complementary to the circuit Breaker module Interrupting chamber Moving parts Fixed parts Current outlet sockets Rupture disk Heat dissipater fitted to the FKG1X / XP/ XV / XW CB pole SF6 gas connection

1 2 5 6 7 8 9

05--2009E AREVA

G12-001EN08 4/12


General Description of the Circuit breaker ChassisIllustration

9

11 12 30

10

10a

version with MALT 160kA Components The following table lists the principle components of the chassis: Component Support beams fitted with feet 10--10a Supplementary support 11 Strengthening cross member 12 Control mounting chassis 30 SF6 unit Mark 9 Function Supports the pole sheathes Supports the pole sheathes Supports the pole sheathes

Supports the various operating controls pipe work and filling Provides a three--pole SF6 connection

NOTE :

* Distance between phases : 1500 = supports beam fitted with 3 feets

05--2009E AREVA

G12-001EN08 5/12


General Description of the Circuit breaker Circuit breaker assembly control sectionIllustration 26 27

14 26 15 13 Components 11 15

The following table lists the principle components of the operating mechanisms: Mark 11 13 Component CB Operating Mechanism Inspection port Function Provides control of the CB Used to visually inspect the position of the optical CB positional indicator (See Para.: CB position indicator status) Inspection port Used to visually inspect the position(s) of the various earthing switch controls. (See Para. Disconnector Switch position indicator status) Operating mechanisms for Provides control of the busbar earththe various disconnector ing switch, the startup switch and the switches earthing switch(es). Low Voltage (LV) Cabinet Houses the low voltage functions for the whole CB. Synoptic diagram Used to give a visual indication of the overall status of the CB.

14

15

26 27

05--2009E AREVA

G12-001EN08 6/12


General Description of the Circuit breaker Circuit breaker position indicator statusStatus A

Circuit breakerOpen IEC

Closing spring Armed

ANSI

OPEN

Status B

Circuit breakerClosed IEC

Closing spring Disarmed

ANSI

CLOSED

Status C

Circuit breakerClosed IEC

Closing spring Armed

ANSI

CLOSED

Status D

Circuit breakerOpen IEC

Closing spring Disarmed

ANSI

OPEN

05--2009E AREVA

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General Description of the Circuit breaker Disconnector switch(es) position indicator statusStatus A Switch Open

IEC

or ANSI

OPEN

Status B

Switch Closed

IEC

or ANSI

CLOSED

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General Description of the Circuit breaker Pole sheath FKG1N / F / XIllustration

FKG1N18 24 23

18

FKG1F/X

22 16

FKG1F/X25

17 19 20 21

Components

The following table lists the principle components of the pole sheath: Mark 16 17 18 19 20 21 22 23 24 25 Component Metallic casing Inspection port Removable cover(s) Leaktight connector Cable passage Startup switch supply unit Cover sealing gasket Cover lifting handles Inspection ports Sun shield Function Encloses the pole Used to visually inspect the status of the busbar disconnector switch Can be removed in one (1N) or two (1F/X) section(s) Ensures the sheath is leaktight Used for the power supply to the startup switch Protects the supply to the startup switch Ensures the sheath is leaktight Used when handling the cover Used to visually inspect the positions of the earthing and startup switches Used to limit equipment overheating

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General Description of the Circuit breaker Pole sheath FKG1XP / XV / XWIllustration 24 18 23 18 22 16 20 19 21 17

FKG1XP / XV

FKG1XW Extented FKG1XW

Components

The following table lists the principle components of the pole sheath: Mark 16 17 18 19 20 21 22 23 24 Component Metallic casing Inspection port Removable cover(s) Leaktight connector Cable passage Startup switch supply unit Cover sealing gasket Cover lifting handles Inspection ports Function Encloses the pole Used to visually inspect the status of the busbar disconnector switch Can be removed in one (1N) or two (1F/X) section(s) Ensures the sheath is leaktight Used for the power supply to the startup switch Protects the supply to the startup switch Ensures the sheath is leaktight Used when handling the cover Used to visually inspect the positions of the earthing and startup switches

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General Description of the Circuit breaker Additional circuit breaker electrical equipmentComponents The additional electrical equipment varies in accordance with the configuration of the customers requirements, and may comprise : D D D D D D D Busbar disconnector switch, Earthing switch, Start--up switch, Current transformer, Voltage transformer, Capacitor, Surge arrestor.

Description of elements

See Electrical components complementary to the circuit Breaker module.

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General Description of the Circuit breakerThis page is intentionally blank.

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General description of ventilation system FKG1P / XV / XW type Description of the ventilation systemDescription A ventilation device mounted above the cover, allows for accelerating the cooling system. The composition of the single pole ventilation device for the FKG1XP XV / XW circuit breaker comprises a unit (A) equipped with 2 centrifugal fans. The composition of the single pole ventilation device for the FKG1XV or FKG1XW circuit breaker includes, in addition, a unit (B) or (C) equipped with 4 or 6 axial flow fans. The L.V. control part for the ventilation system is in a cabinet (D) located on the right or left--hand side of the front panel of the circuit breaker. The cabinet comprises all components necessary for the correct functioning of the fan motor controls (relays, circuit breakers, capacitors etc.) On the front of the control cabinet there is the mimic diagram for controlling all of the FKG1XP/ XV/ XW circuit breakers ventilation system.

Illustration

A

FKG1XP

D

FKG1XVB

FKG1XWD C

C D

D

FKG1XW Extented

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General description of ventilation system FKG1P / XV / XW type Description of unit (A) of the centrifugal fans common to the circuit breakers FKG1XP/ XV/ XWIllustration

FKG1XV 1 3

5 2

4

FKG1XW FKG1XW Extented

3

1 5 2

4

Table of Components

The following table gives the main components for the centrifugal fans unit: Mark 1 2 3 4 5 Component Half support cover equipped with 4 handling systems Two centrifugal fans equipped with motors Two air inlet ducts Removable support plate with the air inlet ducts assembly Two bellows connecting the air inlet ducts to the centrifugal fans

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General description of ventilation system FKG1P / XV / XW type Description of unit (B) for the axial flow fans for the FKG1XV and unit (C) of the FKG1XWIllustration

1

3

2 4

x42

FKG1XV 3

1

3 2 FKG1XW

4

x61 FKG1XW Extented

Table of Components

The following table gives the main components for the axial flow fans unit: Mark 1 2 3 4 Component Support frame equipped with 4 handling systems 4 or 6 axial flow fans equipped with motors Electrical centralizing cubicle marshalling box for axial flow fans Intermediary shims equipped with insulating caps

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General description of ventilation system FKG1P / XV / XW typeThis page is intentionally blank.

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Electrical components complementary to the circuit breaker Composition of additional circuit breaker electrical equipmentComponent Location The additional electrical equipment varies in accordance with the configuration of the customers requirements, and may comprise : D Busbar disconnector switch (A). D Earthing switch (B) (B1 =160kA). D Startup switch (C). D Current Transformer (D). D Voltage transformer (E). D Capacitor (F). D Surge Arrester (G). D G F F

Illustration

G D

C

E A B E B B1

Table of the components

The following table lists the principle components of the additional electrical equipment: Marked A B B1 C D--E--F--G Component Busbar disconnector switch. Earthing switch(es) (MALT). Earthing switch(es) 160 kA (MALT). Startup switch (IKG). Current Transformer; Voltage Transformer; Capacitor; Surge Arrestor. Page 2 3 3 4 5

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Electrical components complementary to the circuit breaker Busbar disconnector switchIllustration 36 38

3

37 5 4

35

42


The following table lists the principle components of the busbar disconnector switch : Mark 3 4 5 35 36 37 38 Component CB -- moving part Disconnector Fixed part Operating shaft Operating lever Function --

Transmits movement. Actuated by the rod linkage (42) it transmits movement to the shaft (5). Disconnector moving part -casing Insulator mounting -Mobile contact Allows current to pass between the fixed part (4) and the moving part (36) of the disconnector switch casing.

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Electrical components complementary to the circuit breaker Earthing switch(es) (MALT)Illustration 44 27 36 3 44

27

45

43

45 44 43 27

43 Earthing switch 160 kA. Table of the components The following table lists the principle components of the earthing switch : Mark 3 36 27 43 44 45 Component Function Casing CB fixed part -Casing Disconnector -moving part Articulated arm Pivots and engages with the fixed contact. Three--pole linkage rod Provides a linkage from the operating mechanism. Fixed contact Connects with the live section of the articulated arm to enable the current to flow. Cable braid Provides a connection for the sheath.

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Electrical components complementary to the circuit breaker Startup Switch (IKG)Illustration 3

44

27 32 33

45


The following table lists the principle components of the startup switch : Mark 3 27 32 33 44 45 Component Casing CB fixed part Articulated arm Busbar output Cable box Fixed contact Cable braid Function -Swings and connects to the fixed contact. Groups the Customer cable mountings. Protects the Customer connector cables. Connects with the live section of the articulated arm to enable the current to flow. Provides a connection to the customer cables.

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Electrical components complementary to the circuit breaker Current transformer; Voltage transformer; Capacitor; Surge arrestor with or without fuse

Illustration 33

48

50

48 48

50

34 46 46 34 33


The following table lists the additional circuit breaker components : Mark 33 34 46 48 50 Component Current transformer Voltage transformer Voltage transformer fuse Capacitor Surge arrestor

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Electrical components complementary to the circuit breakerThis page is intentionally blank.

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Description of circuit breaker pole Active partsDescription The active section of the circuit breaker comprises: -- The mechanism casing (A) -- on the side of the moving part, -- The interrupter chamber (C) in a composite envelope (1), -- The casing (B) -- on the side of the fixed section.

Diagram 3

A 1

B 2

C

Circuit--breaker Open

Description

The composite envelope (1) enclosing the interrupter chamber separates the two casings, providing insulation between the incoming and outgoing sections of the circuit breaker. The current sockets (2 & 3) situated in the extensions to the casings, are used to provide connections to the busbars.

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Description of circuit breaker pole Mechanism casing, moving part sectionDiagram 7 11

5 6 A 10

4

8

Circuit--breaker Closed Table of the components

9

The following table lists the components both within and around the casing: Mark 4 5 6 11 7 8 9 Component Function Insulated mounting Provides CB phase/earth insulation 3--pole operating shaft Transmits movement between the operating mechanism and the poles Operating lever Transmits the movement to the interrupter chambers mobile contact (11) Moving contact Used to let the rated current flow. Breaking disk Safety system guards against overpressure in the chamber SF6 liaison Molecular sieve Used to connect the SF6 to the poles. Agent used to absorb the gaseous breakdown of SF6.

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Description of circuit breaker pole Interrupting chamberExtinguishing Environment Interrupting principle

The arc extinguishing environment is low--pressure SF6 gas.

Installed horizontally, the assembly is of a thermal, auto--charging pneumatic, double arc--blowing design

Diagram

15 16

13

21 22

18

A

10

11 12

17

14

23 24

B

20


The following table lists the components both within and around the interrupter chamber: Mark 10 11 13 Component Moving contact mounting Moving contact Blowing device Information supported by the mechanism casing (A). fitted with a contact tube (12). fitted with a nozzle (14), arc contacts (17), a front arc valve guide (15), a rear arc guide (16), a piston (18). supported by the casing (B). fitted with a contact tulip (22). and its contact shaft (24).

20 21 23

Fixed contact mounting Permanent contact Fixed contact

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Description of circuit breaker poleThis page is intentionally blank.

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Pole operation of circuit-breaker (Interrupting principle) PresentationIntroduction In its CLOSED position, the current from a generator passes through : -- The current sockets (2), -- The casing (B), -- The permanent contact (21), -- The moving contact tube (12), -- The moving contact mounting (10), -- The casing (A), -- The current sockets (3).

3

A

10

12

21

B

2

Circuit--breaker Closed

In this module

This module deals with the operational phases of the pole : Stage Schematic diagram Opening Page 2 3

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Pole operation of circuit-breaker (Interrupting principle) Schematic diagramOpening On receiving a manual or electrical open order, the energy accumulated in the operating mechanisms opening spring (32) is freed. The control lever (30), activated by the opening spring (32), transmits the movement to the lower pole lever (34) via the rod linkage (31), in turn moving the moving contact (11), thus separating the contacts. Representation of OPEN state 30 34

32

31 11

Closing

On receiving a manual or electrical closure order, the energy accumulated in the operating mechanisms closing spring (33) is freed. This operates the moving contact (11) and closes the Interrupter Chamber. Representation of CLOSED state 33

11

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Pole operation of circuit-breaker (Interrupting principle) OpeningStage 1 : Start of opening When tube (12) in the moving contact (11) separates from the permanent contact (21), the current is routed via the arc contacts (17).

11

12

17

21

Stage 2 : Thermal effect

When the contacts (17) separate, an arc appears, and the energy from this arc causes a rise in the pressure in the thermal expansion chamber (Vt), which is enclosed by the stem (24) of the fixed contact (23) and the isolating nozzle (14).

17

14

24

23

Vt

Continued on next page.

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Pole operation of circuit-breaker (Interrupting principle) Opening, continuedStage 3 : Breaking When the stem (24) of the fixed contact (23) is extracted from the nozzle (14), the thermal overpressure in the chamber (Vt) is released, which causes a jet of gas, just before the current reaches zero, which ensures the arc is completely extinguished. Simultaneously, the increase in pressure in the vicinity of the arc spreads across to the piston (18) exerting a force on the mobile fittings and thus reducing the loading imposed on the circuit breakers operating mechanisms. 18 14 24 23

Vt

Stage 4 : Complete opening

The arc is extinguished. The molecules of SF6 gas, torn apart by the arc, are instantaneously reconstituted. The residual gas from the breaking is absorbed by the molecular sieve (9); a few particles are deposited as a coating of dust, which has no effect on the circuit breaker itself.

9 Circuit--breaker Open

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Monitoring principle of the ventilation system for circuit breaker type FKG1XV Operating principle for the ventilation systemGeneral The principle of the cooling system is composed of 2 ventilation units, and enables the circuit breaker to operate correctly. D The starting up of the ventilation system is carried out by closing the circuit breaker. D Stopping the ventilation system is carried out by opening the circuit breaker. Common centrifugal fan unit

Axial flow fan unit

NOTE :

Manual starting for maintenance is also possible.

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Monitoring principle of the ventilation system for circuit breaker type FKG1XV Alternating operation of the circuit breakerGeneral Alternating operation of the ventilation system is made by starting up and closing the circuit breaker and allows for the commissioning of half of the centrifugal fans (1/2), and the axial flow fans (2/4). The commissioning of 2 fan units is reversed every 24 hours. Stopping the ventilation system is carried out by opening the circuit breaker.

Illustration PRINCIPLE OF ALTERNATING OPERATION

24h

Fault management

The system comprises 3 levels of monitoring of the motors. Located on the mimic diagram panel, a fault indicator light per pole, a 3--phase presence per pole indicator light, and a re--initialisation button per pole allows for detecting and then erasing the alarms once the fault has been repaired.

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Monitoring principle of the ventilation system for circuit breaker type FKG1XV Fault management for the circuit breaker Level 1 faultIf a fault occurs on any 1 of the axial flow fans operating on the same pole: -- All of the axial flow fans are placed in service. -- And switchover of the centrifugal fans every 24 hours. NOTE : WITHOUT URGENCY, PLAN REPLACE THE DEFECTIVE MOTOR. AN INTERVENTION TO

Illustration

EXAMPLE

FAULT MANAGEMENT LEVEL 1 (pole 2)

24h

24hFAULT CUSTOMER TERMINAL BLOCK INFORMATION IN LV CABINET VENTILATION CABINET INFORMATION CUSTOMERACTION Detect the defective fan unit No urgent intervention to be programmed Level 1 Pole 1 Pole 2 Pole 3 (Mimic diagram status) Level 2 Level 3

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Monitoring principle of the ventilation system for circuit breaker type FKG1XV Fault management for the circuit breaker Level 2 faultIf a fault occurs on any 2 of the 4 circuit breaker axial flow fans operating on the same pole : CAUTION : REPLACE THE FANS TO PRESERVE THE REDUNDANCY OF THE ASSEMBLY.

Illustration

EXAMPLE


24h

24hFAULT CUSTOMER TERMINAL BLOCK INFORMATION IN LV CABINET VENTILATION CABINET INFORMATION CUSTOMERACTION Replace the fans to preserve the redundancy Level 1 Pole 1 Pole 2 Pole 3 (Mimic diagram status) Level 2 Level 3

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Monitoring principle of the ventilation system for circuit breaker type FKG1XV Fault management for the circuit breaker (contd.) Level 2 fault (contd.)If a fault occurs on any 1 of the 2 centrifugal fans operating on the same pole: CAUTION : REPLACE THE FANS TO PRESERVE THE REDUNDANCY OF THE ASSEMBLIES.

Illustration

EXAMPLE


24/24h

24h

FAULT CUSTOMER TERMINAL BLOCK INFORMATION IN LV CABINET VENTILATION CABINET INFORMATION CUSTOMERACTION Replace the fans to preserve the redundancy Level 1 Pole 1 Pole 2 Pole 3 (Mimic diagram status) Level 2 Level 3

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Monitoring principle of the ventilation system for circuit breaker type FKG1XV Fault management for the circuit breaker Level 3 faultIf a fault occurs on 3 of the 4 axial flow fans operating on the same pole, or a fault on the 2 centrifugal fans. CAUTION : WHEN RUNNING AT 24 kA YOU MUST INTERVENE WITHIN 15 MINUTES TO REDUCE THE CURRENT TO I = 17 kA (*) (**). Illustration EXAMPLES FAULT MANAGEMENT LEVEL 3 (pole 2)

24h

or

FAULT CUSTOMER TERMINAL BLOCK INFORMATION IN LV CABINET VENTILATION CABINET INFORMATION Level 1 CUSTOMERACTION When running at 24 KA INTERVENE WITHIN 15 minutes! for Reduce the current to I = 17 kA (*)(**) Pole 1 Pole 2 Pole 3 (Mimic diagram status) Level 2 Level 3

* Conditions: 90/70 busbar, 50 Hz, Ambient temperature 40o C

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Function description FK 3-12 spring operating mechanisms For circuit breakers

Function description FK3-12 spring operating mechanisms for circuit-breakers

Administrator SEH

First issue 08.06.2004

Written by E.Suter, TMA-SEH /sf

Released by E. Suter, TMA-SEH

08.06.2003 AREVA

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FK 3-12 sring operating mechanisms for circuit breakers

Contents

Page

Introduction

3

Functional units

3

Operating states

6

Charging the closing spring

8

Closing operation

10

Recharging the closing spring

12

Operating operation

14

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IntroductionThe FK 3-12 third-generation spring operating mechanisms have been designed as an integrated series. All mechanisms have the same functional units and operate on the same principle. Dimensions and certain execution features are dictated by the maximum closing energy for each model.

Fonctional units70.23 70.25 70.22 70.21 70.20

Schmatic digram

70.26 70.24 70.42 70.31 70.44 70.43 71.09 71.35

70.19 70.52 70.18 70.12 70.17 70.15 70.14 70.16 70.13 70.11

70.01 70.01 70.05 70.06 70.07 70.08 70.09 70.10 70.11 70.12 70.13 70.14 70.15 70.16 70.17 70.18 70.19

70.53 79.04

71.32 70.05 70.20 70.21 70.22 70.23 70.24 70.25 70.26 70.31 70.52 70.53 71.32 71.35 71.42 71.43 71.44 79.04 70.07

70.06 70.08

70.10

Motor Closing latch Closing magnet Manual CLOSE release CLOSE push-button Closing shaft Cam disc Roller lever Main shaft Manual TRIP release TRIP push-button Trip magnet Trip latch Trip dashpot Operating lever Trip chain

Trip spring Auxiliary switch Motor limit switch actuating cam Motor limit switch lever Motor limit switch Closing spring Closing chain Spring position indicator Cicuit breaker position indicator Hand crank Pair of winding lever with return stop Cam disc for eccentric gear Chain wheel Crank lever Support pin Gearing

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Function description FK 3-12 spring operating mechanisms For circuit breakers Closing spring 70.25 stores energy to close the circuit breaker and to charge trip spring 70.20. Surplus energy ensures that the circuit breaker can be safely closed in all situations. Trip spring 70.20 furnishes the energy necessary to trip the circuit breaker. The trip spring may be in the operating mechanism or in the circuit breaker, depending on the circuit breaker design.

Energy store

Energy store Charging mechanism

Motor 70.01 and gearing 79.04 serve to charge closing spring 70.25

Closing unit

On closing, the energy of closing spring 70.25 is transmitted to cam disk 70.10 via closing chain 70.26, crank lever 71.43 and closing shaft 70.09. The cam disc drives main shaft 70.12 via roller lever 70.11. The circuit breaker is closed and trip spring 70.20 charged via drive lever 70.18 and the linkage Cam disc 70.10 controls the travel/time characteristic of the main contact during closing. If trip spring 70.20 is mounted in the operating mechanism, its energy is transmitted to the circuit breaker via trip chain 70.19, main shaft 70.12 and drive lever 70.18. The motion is retarde by trip dashpot 70.17 at the end of the tripping process. When closing spring 70.25 is charged, closing latch 70.05 supports it through crank lever 71.43 and support pin 71.44. When trip spring 70.20 is charged, trip latch 70.16 supports it by the lever arm of roller lever 70.11 and main shaft 70.12. Closing magnet 70.06 releases closing latch 70.05. Trip magnet 70.15 releases trip latch 70.16.

Tripping unit

Latches

Release device

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Auxiliaire switch

Auxiliary switch 70.21 Coupled to main shaft 70.12 serves as a reference for the main contact for control, signaling and interlock functions When the circuit breaker is closed, one contact of auxiliary switch 70.21 interrupts the closing coil circuit and thus prevents further electrical excitation. When the circuit breaker is in the tripped position, one contact of auxiliary switch 70.21 breaks the operating release coil circuit and thus prevents further electrical excitation. Motor limit switch 70.24 closes and interrupts the motor circuit. It also performs interlock functions. While closing spring 70.25 is being charged, one contact of motor limit switch 70.24 interupts the closing coil circuit and thus prevents premature electrical closing operation. When the circuit breaker is closed, a lever coupled to main shaft 70.12 disables closing latch 70.05 and prevents any further release of the closing system. Circuit breaker position indicator 70.52 displays the position of the main contact (I or O). Spring position indicator 70.31 displays the state (charged or discharged) of closing spring 70.25. Mechanical manual releases 70.07, 70.13 permit switching operations during field service. Hand crank 70.53 permits manual charging of closing spring 70.25.

Motor limit switch

Mechanical closing interlock

Indicators

Auxiliairy devices and tools

Accessories

Cabinet to protect against weather and contact. Heater to prevent condensation. Mechanical operating counter Mechanical device to delay opening time (option) Undervoltage release (option) Interior lighting (option) Other electrical equipment as specified by customer (option).

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Operating statesNote The two illustrations below show the possible operating states and sequences of an operating mechanism. These are characterised mains by the position of the circuit breaker to which the mechanism is attached, and by the position of the closing spring. The position of the spring is always linked to the position of the circuit breaker. The positions of the auxiliary switch and motor limit switch are important secondary characteristics. An operating mechanism remains in a steady operating state until its position is changed by an external control command. It can then pass through well-defined transient (unsteady) operating states.

Operating states and sequences

State of delivery CHARGING

CHARGING and

CHARGING

Closing spring charged Operating state 3 Closing spring discharged Steady operating state Transient operating state Circuit breaker open (trip spring discharged Circuit breaker closed (trip spring charged)

CHARGING Closing spring is charged automatically Circuit breaker is closed Circuit breaker is tripped

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Operating states and Interlock functions Operating state 2: steadyMotor Closing Opening

Operating state 1: TransientMotor Closing Opening

Operating state 4: steadyMotor

Operating state 3: TransientOpening Motor Closing Opening

Closing

S 1 Y 1 S 2 S 2

S 1 Y 2

M

Circuit breaker Closed / open

Mechanical closing interlock : closing operation disabled Mechanical closing interlock : closing operation enabled

Closing spring discharged Closing spring charged

S1 S2 Y1 Y2

Auxiliary switch Motor limit switch Closing coil Opening release coil

Note

The following functions will now be described : charging the energy store, closing, recharging and opening. The operating mechanism and the circuit breaker pass through the operating states in the order 12342

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Charging the closing spring70.25 70.23 70.22

70.26 70.24 70.42 70.31 71.44 71.29 71.43 71.35

A

70.01

79.04

71.32 70.29 70.31 71.32 71.35 71.42 71.43 71.44 79.04

70.05 Kurbelzapfen Spring position indicator Pair of winding levr with return stop Cam disc for eccentric gear Chain wheel Crank lever Support pin Gearing

70.01 Motor 70.05 Closing latch 70.22 Motor limit Switch actuating cam 7023 Motor limit switch lever 70.24 Motor limit switch 70.25 Closing spring 70.26 Closing chain

The circuit breaker and operating mechanism are in operating state 1 (no motor voltage present) on delivery and during installation and servicing. Operating state 1: TransientMotor Closing Opening

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Motor 70.01 starts as soon as the control voltage is imposed. It charges closing spring 70.25 via gearing 79.04, chain wheel 71.42, crank lever 71.43 and closing chain 70.26. This process comes to an end when crank journal 70.29 with attached closing chain 70.26 has passed top dead point A and support pin 71.44 of crank lever 71.43 rests against closing latch 70.05. At the end of the charging process, the pair of winding levers 71.32 is lifted though the (not shown) disconnecting device. Gearing 79.04 and motor 70.01, which is shut off via motor limit switch actuating cam 70.22 and motor limit switch 70.24 can now run down freely without imposing any load on closing latch 70.05. Motor limit switch 70.24 has now moved so as to make the closing circuit, and spring position indicator 70.31 has moved to the closing spring charged position. If motor voltage drops out during the charging process, the return-stop of the pair of winding levers 71.32 keeps chain wheel 71.42 from turning blackward and thus prevents the unwinding of closing spring 70.25. Circuit breaker and operating mechanism are in operating state 2 Operating state 2: steadyMotor Closing Opening

The circuit breaker is ready for closing.

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Closing operation70.25 70.22 70.21 70.20

70.19 70.52 70.26 70.24 70.31 70.09 71.43 70.29 70.16 70.12 70.18

B

79.04 70.05 70.06 70.07 70.09 70.10 70.11 70.12 70.16 70.18 70.19 70.20

71.32

70.05 70.21 70.22 70.24 70.25 70.26 70.29 70.31 70.52 71.32 71.43 79.04

70.07

70.06

70.10

70.11

Closing latch Closing magnet Manual CLOSE release Closing shaft Cam disc Roller lever Main shaft Trip latch Operating lever Trip chain Trip spring

Auxiliary switch Motor limit switch actuating cam Motor limit switch Closing spring Closing chain Crank journal Spring position indicator Cicuit breaker position indicator Pair of winding lever with return-stop Crank lever Gearing

Circuit breaker and operating mechanism are in operating state 2. Operating state 2: steadyMotor Closing Opening

Closing latch 70.05 is released by the electrical command to closing magnet 70.06 or by actuation of mechanical manual release 70.07. Closing shaft 70.09 is accelerated by the effect of closing spring 70.25, which is attached to crank lever 71.43.

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Cam disc 70.10 turns roller lever 70.11, which follows it, in the CLOSE direction. The circuit breaker is closed via main shaft 70.12, operating lever 70.18 and an attached linkage. At the end of the closing movement, after a 60 rotation, specially designed cam disc 70.10 brings main shaft 70.12 to a safe, low-impact stop against trip latch 70.16 via a lever arm of roller lever 70.11. At the same time, cam disc 70.10 has moved away from roller lever 70.11 and the circuit breaker can be tripped. In the course of the closing movement, trip spring 70.20 is charged via trip chain 70.19. The return-stop of pair of winding lever 71.32 keeps the fast gearing stages from tracking the motion during the closing operation. After closing shaft 70.09 has turned through approx. 180, crank journal 70.29 passes through bottom dead point B. The Kinetic energy still possessed by crank wheel 70.30 is returned to closing spring 70.25 (recovered) via chain 70.26. By virtue of this principle, the closing movement is brought to a gentle, impact-free stop. Control, indicating and interlock functions at the end of the closing movement: Auxiliary switch 70.21, which is coupled to main shaft 70.12 has made the opening release coil circuit and broken the closing circuit. The circuit breaker can be tripped electrically, and further actuation of the closing coil is prevented. A lever (not shown) controlled by main shaft 70.12 has disabled closing latch 70.05, thus mechanically preventing any further release of the closing system. Circuit breaker position indicator 70.52 has turned to the CLOSED position with main shaft 70.12. Motor limit switch 70.24 actuated via motor limit switch actuating cam 70.22, has made the motor circuit. The closing coil circuit has been broken by one contact of motor limit switch 70.24. Any further electrical actuation of the closing coil is thus prevented Spring position indicator 70.31 has simultaneously moved to closing spring discharged. Circuit breaker and operating mechanism are in operating state 3. Operating state 3: TransientMotor Closing Opening

The circuit breaker is ready for tripping.

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Recharging de closing spring

70.25

70.22

70.24

70.22 70.24 70.25

Motor limit switch actuating cam Motor limit switch Closing spring

Circuit breaker and operating mechanism are in operating state 3 Operating state 3 : TransientMotor Closing Opening

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When motor limit switch 70.24 is actuated by motor limit switch actuating cam 70.22 at the end of the closing movement, the motor circuit is made and closing spring 70.25 is automatically recharged. If no breaking operation has taken place during the charging process, the circuit breaker is in steady operating state 4 at the end of the charging process. This is the normal operating state of all circuit breakers in the electric power grid. Circuit breaker and operating mechanism are in operating state 4. Operating state 4: steadyMotor Closing Opening

S 1 Y 1 S 2 S 2

S 1 Y2

M

The circuit breaker is ready for the operating sequence O-CO.

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Opening operation70.21 70.20

70.52

70.12 70.17 70.15

70.16 70.13

70.05 70.05 70.12 70.13 70.15 70.16 Closing lacht Main shaft MANUAL TRIP release Trip magnet Trip latch 70.17 70.20 70.21 70.52 Trip dashpot Closing spring Auxiliary switch Circuit breaker position indicator

Circuit breaker and operating mechanism are in operating state 4 Operating state 4 : steadyMotor Closing Opening

S 1 Y 1 S 2 S 2

S 1 Y2

M

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Trip latch 70.16 is released by the electrical command to trip magnet 70.15 or by actuation of mechanical manual release 70.13. Main shaft 70.12 and the circuit breaker, which is coupled to it, are accelerated in the O direction by charged trip spring 70.20, Trip dashpot 70.17 comes into action toward the end of the tripping process, slowing the moving masses of the circuit breaker and operating mechanism to a stop Control, indicating and interlock functions at the end of the opening movement: Auxiliary switch 70.21 Which is coupled to main shaft 70.12 has broken the opening release coil circuit and made the closing circuit. Thus any further electrical actuation of the opening release coil is prevented; an electrical closing operation is again possible. A lever (not shown) controlled by main shaft 70.12 has again enabled closing latch 70.05 for a subsequent closing operation. The circuit breaker can be closed mechanically. Circuit breaker position indicator 70.52 has been turned to the O position with the main shaft. Circuit breaker and operating mechanism are in operating state 2 Operating state 2: steadyMotor Closing Opening

The circuit breaker is ready for closing.

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Switch operating mechanism(s) PresentationIntroduction CMK--type electrical controls are used for the bus bar, earthing switch and current injector mechanisms.

Covering and control plate

A covering allows to protect the group.Open door, there is an equipped control plate comprising : -- interlocking, -- optical indicator, -- a hole closed by a shutter controlled by manual commutator allowing also to operate the mechanism by emergency crank, (excepted for starting switch for which access is blocked).

Motorisation and servo control sections

The control mechanism : -- A low--powered AC motor, supplied by an AC source. -- A reducing gearbox in a sealed, lubricant--filled housing. The top of the output drive shaft from the reducing gearbox is attached to the end--stop controls and a sprocket on the very end which in turn is connected to the optical indicator via a chain. -- A block of auxiliary contacts is fitted to each side of the end--of--travel stops.

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Switch operating mechanism(s) OperationPrinciple Using the various keys in the corresponding order to open the locks will free the locking plate One the order has been given, the motor will provide a direct drive to the gearbox assembly, which in turn will drive : D In the upper section, the auxiliary contacts and optical indicator. D In the lower section, the line--break switch linkage rod operating mechanism.

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Switch operating mechanism(s) A breakdown of the Operating Mechanism1 4-5 9 2

16

9

15

6 3

12 14

7-8 17 12 11Marked 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Description Cover Motor Reducing Gearbox Gearbox Output Shaft Sprocket Drive Chain Mechanical end--stop cam Mechanical end--stops Indicator contacts Interlock position cam Interlocks Interlock position contacts Manual lock Backup control lever Optical Indicator Connecters Heating

10

13

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Switch operating mechanism(s)This page is intentionally blank.

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SF6 gas monitoring PresentationIntroduction

The circuit--breaker uses pressurized SF6 gas as electric arc quenching gas. The SF6 gas pressure monitoring is essential to assure the circuit--breaker performances.

Principle

There is two SF6 gas pressure monitoring types : D Permanent monitoring with the help a threshold densimeter. D Periodic monitoring (option) with the help a pressure gauge.

Symbols

CEI symbols for the apparatus technical characteristics. Symbol pre pae pme Designation Filling rated pressure for the insulation. Alarm pressure for the insulation. Minimal pressure for the insulation.

In this module

This module contains the following topics : Topic Threshold densimeter Pressure gauge (optional) Gaz pressure and density Pressure measurement Measuring density Example of the filling pressure calculation Calculation of the filling pressure at site Values of the SF6 gas pressures in accordance with the temperature Page 2 3 4 5 6 7 8 9

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SF6 gas monitoring

Threshold densimeterFunction Permanent SF6 gas density monitoring.

Localization

The threshold densimeter (1) is installed onto the control block (2) situated on the first pole. horizontal assembling FKG1 horizontal assembling FKG2

1

2

2

1 vertical assembling FKG2

2 1

Working

The densimeter is fitted with two internal contacts. These contacts close successively if the gass density diminishes and determine 2 distinct thresholds. These contacts are wired to the terminal block inside the cubicle and are usually left at the users disposal for the following use : D Alarm pressure pae acts as a warning (topping up necessary). D Minimum fonctional pressure for insulation pme must be used either to lock the circuit--breaker in position or to cause automatic opening. The option is chosen by the client in keeping with operating requirements. All the circuit--breakers rated performances are guaranteed up to the minimum specified ambient temperature and the minimum fonctional pressure for insulation pme.

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SF6 gas monitoring Pressure gaugeFunction

Visual SF6 gas pressure information.

Description

The pressure gauge is made up of a dial (3). The tube (4) links the filling block to the circuit--breaker gas volume.

3

3

4 DILO

4 STAUBLI

Localization

The pressure gauge is fixed onto the filling block, at a visible place for the control.

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SF6 gas monitoring

Gas pressure and densityIntroduction The electrical characteristics of switchgear depend on the density of SF6 gas i.e. the mass of gas pumped into a compartment of a given capacity.

Constant temperature

At constant temperature, an increase of gas density results in a higher gas pressure against the walls of compartment.

Constant density

At constant density, with an invariable compartment volume, the pressure changes in the same way as the temperature. Since the gas density remains invariable owing to the fact that no modification occurs in the quantity of gas or the volume of the relevant compartment, the electrical characteristics of the switchgear will remain unchanged.

Conclusion

Since it is difficult to measure the gas density directly, it is essential to know accurately its absolute pressure and temperature.

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SF6 gas monitoring

Pressure measurementEffective pressure ? Absolute pressure ? Absolute pressure = effective pressure + atmospheric pressure Pressure Description Diagram The pressure of SF6 gas is mea- Standard pressure gauge sured by of a standard pressure gauge with a deformable diaphragm actuating an indicating pointer. One surface of the diaphragm is in contact with the SF6 gas, while the other is in contact with the atmosphere. The difference between the Effective gas and the atmosphere is thus measured, taking atmospheric pressure as a reference. This is the measurement of the effective pressure of the SF6 gas. SF6 Atmospheric pressure If the deformable diaphragm, one surface of which is in contact with the SF6 gas, blocks a volume where a vacuum has been developed, the pressure gauge measures the pressure difference between that of the SF6 gas and the vacuum. Since the latter is zero, the pressure gauge measures the absolute pressure of the gas. The absolute pressure of the SF6 gas, independent of atmospheric pressure, reflects the quantity of Absolute gas introduced into the compartment and hence its density at the present temperature. This is measured by means of an absolute pressure gauge which is less generally used and more delicate than a effective pressure gauge. This is the reason why a effective pressure gauge is used, provision being made for corrections required by atmospheric pressure variations resulting from atmospheric disturbances and differences of elevation. Absolute pressure gauge

SF6 Vacuum volume

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SF6 gas monitoring Measuring densityPressure units

D The international unit pressure is the Pascal (Pa), and hectopascal (hPa) used for atmospheric pressure measurements. D The practical unit is the bar (14.503 p.s.i.) 1 bar = 1 000 hPa = 14.5 psi 1 bar = 100 kPa 10 bar = 1 MPa D Standard atmospheric pressure is equal to 1,013 hPa at sea level and an air temperature of 20C (68F).

Measuring density

When it is not possible to directly measure density, this may be checked using an industrial pressure gauge capable of measuring the effective pressure. An effective pressure value corresponds to the rated density, determined for normal atmospheric pressure (1,013 hPa) and an ambient temperature of 20C (68F). For each pressure reading (filling, inspection of densimeter thresholds...), the rated effective pressure should be corrected according to the ambient temperature and atmospheric pressure of the site at the time the reading is taken. The real pressure is therefore :

Preal = Prated effective in accordance with temperature + Pp** Pp : correction in accordance with atmospheric pressure.

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SF6 gas monitoring

Example of the filling pressure calculationExample Determination of the circuit--breakers filling pressure with SF6 gas. Parameters pre SF6 gas rated effective pressure down to --25C Ambient temperature Local atmospheric pressure Values 0,75 MPa 5C 93,2 kPa

SF6 gas filling

The table below gives the calculation steps of the pure SF6 filling pressure : Step 1 Action Result In the chart Values of the SF6 gas effective pressures in accordance 0,695 MPa with the temperature, read the pre value on the tC = 5 row. Calculate the difference of the at0,0081 MPa mospheric pressure : 0,1013 -- 0.0932 Calculate the rated effective pres0,7031 MPa sure pre : 0,695 + 0.0081 Filling is carried out to the calcuPure SF6 gas filling pressure lated pressure, plus 0.01 MPa, 0,7131 MPa that is to say : 0,7031 + 0.01

2 3 4

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SF6 gas monitoring

Calculation of the filling pressure at siteMeasurement Write down the result measurement into the corresponding box : Measure the atmospheric pressure in MPa. A Measure the ambient temperature in C. B

,

Calculation of the pure SF6 gas filling pressure

Transfer the values into the corresponding box and write down the result :

With the help of the table Values of the SF6 gas effective pressures in accordance with the temperature, determine the value pre in accordance with the ambient temperature (B) " C

pre

, Value of the reference atmospheric pressure in MPa D 0 , 1 0 1Transfer the value of the local atmospheric pressure (A) " A - , Calculate the difference of the atmospheric pressure (D - A) " E , Transfer the value (C) " C+ , Calculate the rated effective pressure (E + C) " F , The filling with SF6 gas is carried out to the calculated pressure, plus 0.01 MPa, + 0 , 0 1 (F + 0,01) " G

,

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SF6 gas monitoring

Values of the SF6 gas effective pressures in accordance with the temperatureRated pressure 0.75 MPa down to -25C Values of the SF6 gas effective pressures (MPa) corrected in accordance with temperature for an atmospheric pressure of 101.3 kPa :t_C -25 -24 -23 -22 -21 -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 pre 0,584 0,588 0,591 0,595 0,599 0,602 0,606 0,610 0,613 0,617 0,621 0,625 0,628 0,632 0,636 0,639 0,643 0,647 0,650 0,654 0,658 0,661 0,665 0,669 0,673 0,676 0,680 0,684 0,687 0,691 0,695 0,698 0,702 0,706 0,709 0,713 0,717 0,720 0,724 0,728 0,732 0,735 0,739 pae 0,500 0,503 0,506 0,509 0,512 0,516 0,519 0,522 0,525 0,528 0,531 0,534 0,537 0,540 0,544 0,547 0,550 0,553 0,556 0,559 0,562 0,565 0,568 0,572 0,575 0,578 0,581 0,584 0,587 0,590 0,593 0,596 0,600 0,603 0,606 0,609 0,612 0,615 0,618 0,621 0,624 0,628 0,631 pme 0,477 0,480 0,483 0,486 0,489 0,492 0,495 0,498 0,501 0,504 0,507 0,509 0,512 0,515 0,518 0,521 0,524 0,527 0,530 0,533 0,536 0,539 0,542 0,545 0,548 0,551 0,554 0,557 0,560 0,563 0,566 0,569 0,572 0,575 0,577 0,580 0,583 0,586 0,589 0,592 0,595 0,598 0,601 t_C 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 pre 0,743 0,746 0,75 0,754 0,757 0,761 0,765 0,768 0,772 0,776 0,780 0,783 0,787 0,791 0,794 0,798 0,802 0,805 0,809 0,813 0,816 0,820 0,824 0,827 0,831 0,835 0,839 0,842 0,846 0,850 0,853 0,857 0,861 0,864 0,868 0,872 0,875 0,879 0,883 0,887 0,890 0,894 0,898 pae 0,634 0,637 0,64 0,643 0,646 0,649 0,652 0,656 0,659 0,662 0,665 0,668 0,671 0,674 0,677 0,680 0,684 0,687 0,690 0,693 0,696 0,699 0,702 0,705 0,708 0,712 0,715 0,718 0,721 0,724 0,727 0,730 0,733 0,736 0,740 0,743 0,746 0,749 0,752 0,755 0,758 0,761 0,764 pme 0,604 0,607 0,61 0,613 0,616 0,619 0,622 0,625 0,628 0,631 0,634 0,637 0,640 0,643 0,645 0,648 0,651 0,654 0,657 0,660 0,663 0,666 0,669 0,672 0,675 0,678 0,681 0,684 0,687 0,690 0,693 0,696 0,699 0,702 0,705 0,708 0,711 0,713 0,716 0,719 0,722 0,725 0,728

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SF6 gas monitoring

Values of the SF6 gas effective pressures in accordance with the temperatureRated pressure 0.85 MPa down to -25C Values of the SF6 gas effective pressures (MPa) corrected in accordance with temperature for an atmospheric pressure of 101.3 kPa :t_C -25 -24 -23 -22 -21 -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 pre 0,685 0,689 0,693 0,696 0,700 0,704 0,707 0,711 0,715 0,718 0,722 0,726 0,730 0,733 0,737 0,741 0,744 0,748 0,752 0,755 0,759 0,763 0,766 0,770 0,774 0,778 0,781 0,785 0,789 0,792 0,796 0,800 0,803 0,807 0,811 0,814 0,818 0,822 0,825 0,829 0,833 0,837 0,840 pae 0,575 0,578 0,582 0,585 0,588 0,591 0,594 0,597 0,600 0,603 0,606 0,609 0,612 0,615 0,618 0,621 0,624 0,627 0,630 0,633 0,637 0,640 0,643 0,646 0,649 0,652 0,655 0,658 0,661 0,664 0,667 0,670 0,673 0,676 0,679 0,682 0,685 0,689 0,692 0,695 0,698 0,701 0,704 pme 0,571 0,573 0,576 0,579 0,582 0,585 0,588 0,591 0,594 0,597 0,600 0,602 0,605 0,608 0,611 0,614 0,617 0,620 0,623 0,626 0,629 0,632 0,634 0,637 0,640 0,643 0,646 0,649 0,652 0,655 0,658 0,661 0,664 0,666 0,669 0,672 0,675 0,678 0,681 0,684 0,687 0,690 0,693 t_C 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 pre 0,844 0,848 0,851 0,855 0,859 0,862 0,866 0,870 0,873 0,877 0,881 0,885 0,888 0,892 0,896 0,899 0,903 0,907 0,910 0,914 0,918 0,921 0,925 0,929 0,932 0,936 0,940 0,944 0,947 0,951 0,955 0,958 0,962 0,966 0,969 0,973 0,977 0,980 0,984 0,988 0,992 0,995 0,999 pae 0,707 0,710 0,713 0,716 0,720 0,723 0,727 0,731 0,735 0,738 0,742 0,746 0,749 0,753 0,757 0,760 0,764 0,768 0,771 0,775 0,779 0,782 0,786 0,790 0,794 0,797 0,801 0,805 0,808 0,812 0,816 0,819 0,823 0,827 0,830 0,834 0,838 0,842 0,845 0,849 0,853 0,856 0,860 pme 0,695 0,698 0,701 0,704 0,707 0,710 0,713 0,716 0,719 0,722 0,725 0,727 0,730 0,733 0,736 0,739 0,742 0,745 0,748 0,751 0,754 0,757 0,759 0,762 0,765 0,768 0,771 0,774 0,777 0,780 0,783 0,786 0,788 0,791 0,794 0,797 0,800 0,803 0,806 0,809 0,812 0,815 0,818

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Packaging - Shipping and storage -

Packaging - Identification - Storage PresentationIntroduction The pole are filled with SF6 gas for transport purposes to an effective pressure of 0,03 MPa at 20C (101.3 kPa).

In this module

This module contains the following topics : Topic Packaging Identifying sub--assemblies and their packaging Storage 2 years Storage > 2 years Page 2 3 4 5

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Packaging - Identification - Storage PackagingIntroduction For transport, the different parts of the apparatus are divided--up between several cases : D A case containing the poles vacuum--wrapped in a protective bag containing desiccants. D The SF6 bottle(s). D A case containing assembly products (grease, oil, etc.) required for installation.

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Packaging - Identification - Storage Identifying sub-assemblies and their packagingIntroduction Each circuit--breaker sub--assembly (poles, operating mechanism, etc.) is identified by a plate giving its reference numbers. These numbers are marked on the packaging cases of each sub--assembly.

Example of marking and identifying

-- Manufacturer reference No. = 100 928 -- Circuit--breaker identification No. 1 -- Pole No. 1 MARKI

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82592 Specimen Manual Instruction 1xv

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