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Description and operation

Description of circuit breaker pole

G12--109EN03

2/4

02--2011

© ALSTOM 2010. All rights reserved. Information contained in  this document is indicative only. No  representation or  warranty is  given or should  be
relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is
provided without liability and  is subject to  change without notice. Reproduction, use or disclosure to  third parties, without express written authority, is
strictly prohibited.

 

GRID

Mechanism  casing,

 moving part section

Diagram

4

10

5

8

7

A

9

6

11

Circuit--breaker

Closed

Table of
the components

The following table lists the components both within and around the casing:

Mark  

Component  

Function

Insulated mounting 

Provides CB phase/earth insulation

3--pole operating shaft  Transmits movement between the operat-

ing mechanism and the poles

Operating lever 

Transmitsthemovement to the interrupter

chamber’s mobile contact  (11)

11 

Moving contact 

Used to let the rated current flow.

Breaking disk 

Safety system – guards against overpres-

sure in the chamber

8

SF

6

liaison  

Used  to  connect  the  SF

6

 to the poles.

Molecular sieve 

Agent used to absorb the gaseous break-

down of SF

6

.

Содержание FKG1X

Страница 1: ...Controlgear Part 303 Use and Handling of Sulphur Hexafluoride SF6 and Handling of Sulphur Hexafluoride SF6 Administrator Administrator First issue First issue Compiled by Compiled by Approved by Appro...

Страница 2: ......

Страница 3: ...r will apply to any particular project This will depend on the technical and commercial should be relied on that it is complete or correct or will apply to any particular project This will depend on t...

Страница 4: ...1 001EN05 S31 001EN05 Checking for presence of SF6 gas in poles Checking for presence of SF6 gas in poles G31 061EN04 G31 061EN04 Removing Re install the covers of enclosure for intervention Removing...

Страница 5: ...F6 gas G80 001EN02 G80 001EN02 Instructions on the handling of used SF6 gas and decomposition products Instructions on the handling of used SF6 gas and decomposition products G81 001EN03 G81 001EN03 C...

Страница 6: ...ry PS PS 0000 0000EN EN 04 04 Wo Work rking ing e environ nvironme ment nt PS PS 00 0001E 01EN N 03 03 Han Hand dling ling O Op pera erations tions PS PS 00 0002 02EN EN 03 03 Press Pressuriz urize ed...

Страница 7: ...GRID High Voltage Switchgear This page is intentionally blank...

Страница 8: ...egligence asregards site organis ation may cause an accident WORK REQUIREMENT S All remedial action for all life cycles of the equipment must be carried out in a safe working environment SAFET Y INST...

Страница 9: ...onnel concerned must be familiar with the basic working regulations governing a given work station mechanical dielectric pressure hazards etc X X X X X X X 2 Handling Equipment T his must be in good w...

Страница 10: ...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 Ens...

Страница 11: ...der Equipment must be checked and maintained regularly in accordanc e with local regulations All equipment must be properly housed X X X X X X X Familiarity with the load to be handled see details on...

Страница 12: ...s at transport pressure 300 hPa maximum X X X Ensure that cases have not been damaged during handling or prolonged storage X Follow the stac king instructions X X X It is essential to open cases from...

Страница 13: ...GRID High Voltage Switchgear This page is intentionally blank...

Страница 14: ...itial filling and pressurizing check the overall condition of the shielding conc erned no signsof impact splitting or chipping on the porcelain components etc no vis ible damage to hoses and or rigid...

Страница 15: ...how the frame is itself anchored X X X X 1 4 High pressure pipes must be fixed or otherwise made safe X X X X 1 5 Before initial press urization check that all circuits are properly sealed X X X X 1...

Страница 16: ...he transport and storage of our products is not regarded as a potential hazard X X X X X 2 3 Always fill the unit using the appropriate equipment which should include a safety valve X X X 2 4 Do not i...

Страница 17: ...GRID High Voltage Switchgear This page is intentionally blank...

Страница 18: ...rcuit 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 pr...

Страница 19: ...s 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 o...

Страница 20: ...Revision 1stiss ue Revision date Page SAFET Y INST RU CT IONS P A C K I N G T R A N S P O R T I N S T A L L A T I O N S T A R T U P O P E R A T I O N M A I N T E N A N C E S C R A P P I N G R E C Y C...

Страница 21: ...GRID High Voltage Switchgear This page is intentionally blank...

Страница 22: ...packing produc tsrequire careful handling as they may contain preservatives WORK REQUIREMENT S As a general rule chemical products must be used and stored away from any source of heat Smoking isto be...

Страница 23: ...sion date Page SAFET Y INST RU CT IONS P A C K I N G T R A N S P O R T I N S T A L L A T I O N S T A R T U P O P E R A T I O N M A I N T E N A N C E S C R A P P I N G R E C Y C L I N G Drying Agents X...

Страница 24: ...e for ensuring compliance with the safety instructions governing high tension T he basic regulationsin respec t of low tension installationsmus t also be complied with SAFET Y INST RU CT IONS OBS ERVE...

Страница 25: ...High Tension 1 1 Comply with the regulations governing the work station X X X X X 1 2 In the case of items equipped with capacitors make sure they are discharged prior to removal and short circuited w...

Страница 26: ...LSTOM operating and maintenance instructions Prior to any work on the control equipment and the motion transfer mechanism disable the springs on mechanically operated unitsand bring pressure back to z...

Страница 27: ...omponents ensure that the control equipment has been deactivated X X X X X 2 Spring operated Mechanism 2 1 Before any work iscarried out cut off all power to the reset motor X X X X X 2 2 Deactivate t...

Страница 28: ...e suitably qualified and must comply with the normal operating and maintenance instructionsissued by ALS TOM Depending on the severity of the fault observed the necessary corrective measures must be t...

Страница 29: ...he sequencing chain following a mechanical fault X X Cut off failure X Ex ternal dielectric flash over X SF6 press ure drop due to either major leak switch to 2nd threshold no 1s t threshold alarm com...

Страница 30: ...th the following requirements it must be carried out by suitably qualified personnel both the work involved and the associated hazards mus t be clearly identified beforehand the tools and equipment us...

Страница 31: ...h information as possible from the user regarding the condition of the unit X X X Check that the unit is earthed both upstream and downstream X X X Demarcate the work area X X X Ensure that the operat...

Страница 32: ...e for the insulation 0 01 0 0 75 MPa 108 8 p s i 0 85 MPa 123 3 p s i pae Alarm pressure for the insulation 0 02 0 0 64 MPa pme 0 03 MPa 92 8 p s i 0 73 MPa pme 0 03 MPa 105 9 p s i pme Minimal pressu...

Страница 33: ...y is given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without liability...

Страница 34: ...rties without express written authority is strictlyprohibited GRID FKG1N F X Circuit breaker with FK3 12 spring powered controls Description The equipment comprises three poles with sheathing actuated...

Страница 35: ...t express written authority is strictlyprohibited GRID FKG1XP XV XW Circuit breaker with FK3 12 spring powered controls Description The equipment comprises three poles with sheathing actuated by a thr...

Страница 36: ...liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Circuit breaker pole FKG1N F Illustration...

Страница 37: ...y and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Circuit breaker pole FKG1X XP XV XW Illustration...

Страница 38: ...r disclosure to third parties without express written authority is strictlyprohibited GRID Chassis Illustration 11 10 9 10a version with MALT 160kA 12 30 Components The following table lists the princ...

Страница 39: ...stration 15 14 26 27 15 13 11 26 Components The following table lists the principle components of the operating mecha nisms Mark Component Function 11 CB Operating Mechanism Provides control of the CB...

Страница 40: ...e technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is s...

Страница 41: ...that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without...

Страница 42: ...16 20 19 18 21 25 24 23 18 FKG1F X FKG1F X FKG1N 17 Components The following table lists the principle components of the pole sheath Mark Component Function 16 Metallic casing Encloses the pole 17 Ins...

Страница 43: ...Illustration 21 FKG1XP XV FKG1XW FKG1XW Extented 23 18 22 17 16 20 19 24 18 Components The following table lists the principle components of the pole sheath Mark Component Function 16 Metallic casing...

Страница 44: ...ided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Additional circuit breaker e...

Страница 45: ...tion or warranty is given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided wi...

Страница 46: ...tlyprohibited GRID Composition of additional circuit breaker electrical equipment Component Location The additional electrical equipment varies in accordance with the configur ation of the customer s...

Страница 47: ...ut notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Busbar disconnector switch Illustration 3 42 36 37 5 35 38 4 Table of the compone...

Страница 48: ...roduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Earthing switch es MALT Illustration 45 27 44 36 45 3 43 27 44 27 44 43 43 Earthing switch 160...

Страница 49: ...nge without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Startup Switch IKG Illustration 27 32 33 45 3 44 Table of the components...

Страница 50: ...mmercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited...

Страница 51: ...resentation or warranty is given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is prov...

Страница 52: ...tion use or disclosure to third parties without express written authority is strictlyprohibited GRID Active parts Description The active section of the circuit breaker comprises The mechanism casing A...

Страница 53: ...rity is strictlyprohibited GRID Mechanism casing moving part section Diagram 4 10 5 8 7 A 9 6 11 Circuit breaker Closed Table of the components The following table lists the components both within and...

Страница 54: ...Extinguishing Environment The arc extinguishing environment is low pressure SF 6 gas Interrupting principle Installedhorizontally theassemblyis of a thermal auto charging pneumatic double arc blowing...

Страница 55: ...or warranty is given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided withou...

Страница 56: ...ances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Presentation...

Страница 57: ...hird parties without express written authority is strictlyprohibited GRID Schematic diagram Opening On receivinga manual orelectrical openorder theenergyaccumulatedinthe operating mechanism s opening...

Страница 58: ...ut liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Opening Stage 1 Start of opening When...

Страница 59: ...3 Breaking Whenthe stem 24 ofthe fixed contact 23 isextractedfromthe nozzle 14 the thermal overpressure in the chamber Vt is released which causes a jet of gas just before the current reaches zero whi...

Страница 60: ...ing mechanisms For circuit breakers 06 04 2011 48 020 212EN02 1 15 Function description FK3 12 spring operating mechanisms for circuit breakers Administrator First issue Written by Released by SEH 08...

Страница 61: ...breakers 06 04 2011 48 020 212EN02 2 15 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...

Страница 62: ...xiliary Auxiliary switch switch 70 06 70 06 Closing Closing magnet magnet 70 22 70 22 Motor Motor limit limit switch switch actuating actuating cam cam 70 07 70 07 Manual Manual CLOSE CLOSE release re...

Страница 63: ...9 The cam disc drives main shaft 70 12 via drives main shaft 70 12 via roller lever roller lever 70 11 The 70 11 The circuit breaker is closed and trip spring 70 20 charged via drive lever circuit bre...

Страница 64: ...d thus prevents switch 70 24 interupts the closing coil circuit and thus prevents premature electrical closing operation premature electrical closing operation Me Mechanical clos chanical closing ing...

Страница 65: ...motor limit switch are important secondary characteristics secondary characteristics An An operating operating mechanism mechanism remains remains in in a a steady steady operating state operating st...

Страница 66: ...r Circuit breaker Closed open Closed open Mechanical closing interlock closing op Mechanical closing interlock closing op eration disabled eration disabled Mechanical closing interlock closing op Mech...

Страница 67: ...ition indicator 70 22 Motor limit 71 32 Pair of winding levr with return stop Switch actuating cam 71 35 Cam disc for eccentric gear 7023 Motor limit switch lever 71 42 Chain wheel 70 24 Motor limit s...

Страница 68: ...ugh 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...

Страница 69: ...70 12 Main shaft 70 31 Spring position indicator 70 16 Trip latch 70 52 Cicuit breaker position indicator 70 18 Operating lever 71 32 Pair of winding lever with return stop 70 19 Trip chain 71 43 Cran...

Страница 70: ...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 clo...

Страница 71: ...06 04 2011 48 020 212EN02 12 15 Recharging de closing spring 70 25 70 22 70 22 Motor limit switch actuating cam 70 24 Motor limit switch 70 25 Closing spring Circuit breaker and operating mechanism ar...

Страница 72: ...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 charg ing process This is th...

Страница 73: ...ing Closing spring spring 70 13 70 13 MANUAL MANUAL TRIP TRIP release release 70 21 70 21 Auxiliary Auxiliary switch switch 70 15 70 15 Trip Trip magnet magnet 70 52 70 52 Circuit Circuit breaker brea...

Страница 74: ...g movement movement Auxiliary switch Auxiliary switch 70 21 Which i 70 21 Which is coupled s coupled to main to main shaft 70 12 has shaft 70 12 has bro bro ken the opening release coil circuit and ma...

Страница 75: ...This page is intentionally blank This page is intentionally blank...

Страница 76: ...s Covering and control Covering and control plate plate A A coverin covering gallows allowsto to protect protectthe thegroup Op group Open endoor door there thereis is an anequip equipped pedcontrol c...

Страница 77: ...ject to change without notice Reproduction use or disclosure to change without notice Reproduction use or disclosure to third parties without express writt third parties without express written author...

Страница 78: ...thout liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID A breakdown of the Operating Mechan...

Страница 79: ...warranty is given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without li...

Страница 80: ...hing 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 thresho...

Страница 81: ...onto thecontrol block 2 situatedon the first pole 1 1 horizontal assembling vertical assembling 2 2 1 2 FKG1 horizontal assembling FKG2 FKG2 Working The densimeter is fitted with twointernal contacts...

Страница 82: ...hnical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strict...

Страница 83: ...tion The electrical characteristics of switchgear depend on thedensity of SF6 gas i e the mass of gas pumped into a compartment of a given capacity Constant temperature At constant temperature an incr...

Страница 84: ...sphere Thedifference between the gas and the atmosphere is thus measured taking atmospheric pressure as a reference This is the measurement of the effective pres sure of the SF6 gas SF6 Atmospheric p...

Страница 85: ...s 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 20 C 68...

Страница 86: ...essure calculation Example Determination of the circuit breaker s filling pressure with SF6 gas Parameters Values pre SF6 gas rated effective pressure down to 25 C 0 75 MPa Ambient temperature 5 C Loc...

Страница 87: ...ment 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 Tran...

Страница 88: ...8 0 504 27 0 776 0 662 0 631 15 0 621 0 531 0 507 28 0 780 0 665 0 634 14 0 625 0 534 0 509 29 0 783 0 668 0 637 13 0 628 0 537 0 512 30 0 787 0 671 0 640 12 0 632 0 540 0 515 31 0 791 0 674 0 643 11...

Страница 89: ...603 0 597 27 0 877 0 738 0 722 15 0 722 0 606 0 600 28 0 881 0 742 0 725 14 0 726 0 609 0 602 29 0 885 0 746 0 727 13 0 730 0 612 0 605 30 0 888 0 749 0 730 12 0 733 0 615 0 608 31 0 892 0 753 0 733 1...

Страница 90: ...end on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written autho...

Страница 91: ...on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authorit...

Страница 92: ...ction use or disclosure to third parties without express written authority is strictlyprohibited GRID Identifying sub assemblies and their packaging Introduction Each circuit breaker sub assembly pole...

Страница 93: ...ge Protective bag in good condition vacuum wrapped Theapparatusmust bestored with its transport packaging open whilst placed on beams in a closed but ven tilated flood proof place Protective bag not v...

Страница 94: ...e isolation D The anti condensation resistance of cabinets and controls to be con nected NOTE When the cabinet has no anti condensation resistance stor age has to take place in a room where there are...

Страница 95: ...d is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Storage 2 years continued Closed and protected storag...

Страница 96: ...pend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written auth...

Страница 97: ...arranty is given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without lia...

Страница 98: ...fy the Civil engineering work dimensions levels of concrete pads structure fixation in accordance with the tolerances given by Civil work standards refer to device outline B Avoid any dust production...

Страница 99: ...ty is given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without liabilit...

Страница 100: ...tten authority is strictlyprohibited GRID Presentation Introduction In theassembling with screws all thefastening screws must be greased be fore torque tightening Products used Thetablebelow gives the...

Страница 101: ...s without express written authority is strictlyprohibited GRID Screw greasing before tightening Choice of the product to use The table belowgives the product to use for the screws before tightening de...

Страница 102: ...express written authority is strictlyprohibited GRID Tightening torques values Values table The tool and the tightening method must be such that the torque actually ap plied to the screw head correspo...

Страница 103: ...nty is given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without liabili...

Страница 104: ...n the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority...

Страница 105: ...and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Pole checking when the cases are opened at site Pre...

Страница 106: ...r disclosure to third parties without express written authority is strictlyprohibited GRID Checking for presence of SF6 gas in poles Process Thetablebelowgivesthestepsof checkingforpresenceof SF6 gas...

Страница 107: ...warranty is given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without li...

Страница 108: ...otice Reproduction use or disclosure to third parties without express written authority is strictly prohibited GRID Presentation NOTE THIS INSTALLATION PROCEDURE IS APPLICABLE FOR A FKG1N F X TYPE CIR...

Страница 109: ...SIBLE SAFETY PRE CAUTIONS SHOULD BE TAKEN TOPROTECT PERSONNEL WORKING ON THE EQUIPMENT Reminder The inspection and overhaul operations described in this section should al ways be performed with the ap...

Страница 110: ...is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice R...

Страница 111: ...tances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictly prohibited GRID Removing c...

Страница 112: ...out liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictly prohibited GRID Disassembly covers with cooling syst...

Страница 113: ...subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictly prohibited GRID Re install covers without cooling system If applicable C...

Страница 114: ...commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictly prohibi...

Страница 115: ...n use or disclosure to third parties without express written authority is strictly prohibited GRID Re install covers with cooling system continued If applicable Remounting the covers continued Remount...

Страница 116: ...hout liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictly prohibited GRID Re install covers without cooling s...

Страница 117: ...tation or warranty is given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided...

Страница 118: ...essary ALSTOM Grid tools List of the ALSTOM Grid tools necessary for the installing Illustration Description Number FKG1N F X XP XV XW Lifting tool 1 Length 6m Load 1 T Lifting strap Not supplied by A...

Страница 119: ...rd parties without express written authority is strictlyprohibited GRID Inspecting civil engineering works Rewinder AVOID ANY DUST PRODUCTION AND MASSORY WORK DURING CIR CUIT BREAKER ERECTION Check th...

Страница 120: ...rect or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or...

Страница 121: ...nd commercial circumstances It is provided without liabili provided without liability and ty and is subject to is subject to change without notice Reproduction use or disclosure to change without noti...

Страница 122: ...tt third parties without express written authority is en authority is strictlyprohibited strictlyprohibited GRID GRID Installing Installing the circuit the circuit breaker breaker Step 1 Step 1 Positi...

Страница 123: ...breaker Step 1 Step 1 continued continued Fastening onto the Fastening onto the ground wtth spacers ground wtth spacers Z Z IPB axis to the ground IPB axis to the ground Fixed support to their require...

Страница 124: ...D GRID Installing Installing the circuit the circuit breaker breaker Step 1 Step 1 continued continued Fastening onto the Fastening onto the ground wtth spacers ground wtth spacers Z Z IPB axis to the...

Страница 125: ...GRID Installing Installing the circuit the circuit breaker breaker Step 1 Step 1 continued continued Removal of transport Removal of transport tools tools Remove the 2 or 4 retaining brackets used du...

Страница 126: ...any particular project This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third...

Страница 127: ...d commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibi...

Страница 128: ...osures PROCEED WITH CONNECTION OF BAY BUSBAR ENCLOSURES OUTSIDE ALSTOM Grid SUPPLY RAN GE OTHERWISE TAKE ALL NECESSARIES PRECAU TIONS FOR PROTECT THE EQUIPMENT ALL PRECAUTIONS MUST BE TAKEN AT THE TIM...

Страница 129: ...yprohibited GRID Installing the circuit breaker Step 3 Connections Carry out the joining up of the flexible connections as follows See VS GAD01D 31 501 and 31 001 D Prepare thecontact surfaces onthebr...

Страница 130: ...nge without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Installing the circuit breaker Step 3 continued Installion of LV cubicle...

Страница 131: ...ny particular project This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third pa...

Страница 132: ...the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority i...

Страница 133: ...Procedure with a CT D Current transformer atpower frequencyupto50kVRMS eachsecondarywinding must beear thed for a lightning impulse it is recommended that you dismantle the CTs and remove them from th...

Страница 134: ...ansformer s without a fuse It is imperative to respect the order of assembly Remove the short circuit device from the secondary winding Re assemble the braid connecting the P1 H1 primary terminal of t...

Страница 135: ...change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Installing the circuit breaker Step 4 Cleaning inside the enclosure B...

Страница 136: ...ithout notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Installing the circuit breaker Step 4 continued IF APPLICABLE Starting discon...

Страница 137: ...ject This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without exp...

Страница 138: ...At the time of the PRE COMMISSIONING INSPECTIONS AND TESTS the resistance of apparatus main circuit must be necessarily mea sured at site This first measure will be used as reference to estimate the a...

Страница 139: ...ice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Material condition before measuring Material condition For measuring of themain circuit...

Страница 140: ...t or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or di...

Страница 141: ...provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Measuring main resistan...

Страница 142: ...main resistance procedure of single circuit breaker continued Position of material put in position LOCAL manual operating mechanism the operating mechanism circuit breaker closed disconnector opened...

Страница 143: ...ring main resistance procedure of generator circuit breaker Position of material put in position LOCAL manual operating mechanism the operating me chanism circuit breaker and disconnector closed earth...

Страница 144: ...ted GRID Measuring main resistance procedure of single disconnector Position of material put in position LOCAL manual operating mechanism the operating me chanism circuit breaker opened disconnector c...

Страница 145: ...to third parties without express written authority is strictlyprohibited GRID Flexible connections Process The ALSTOM supply being restricted to the end pads of apparatus flexible connections and bolt...

Страница 146: ...it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without notic...

Страница 147: ...ranty is given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without liabi...

Страница 148: ...without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Presentation In this module This...

Страница 149: ...and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyproh...

Страница 150: ...losure to third parties without express written authority is strictlyprohibited GRID Preparation before assemblage of silver plated aluminium alloy and silver plated aluminium or copper alloy Process...

Страница 151: ...e Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Installing connections Flexible connectors Theflexibleconnectorsmust immediately beattach...

Страница 152: ...duction use or disclosure to third parties without express written authority is strictlyprohibited GRID Preparation before assemblageof aluminiumalloy andaluminium alloy without coating Parts concerne...

Страница 153: ...oduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Preparation before assemblageof aluminiumalloy andaluminium alloy without coating contined Part...

Страница 154: ...and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Preparation before assemblageof aluminiumalloy and...

Страница 155: ...ation or warranty is given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided w...

Страница 156: ...reverse filling with SF6 gas three pole or single pole 1 filling SF6 gas per pole Presentation Warning DUE TO RISK OF DAMAGE TO CERAMIC ENVELOPES DURING TRANSPORTATION PEOPLE PRESENT AT THE GAS FILLI...

Страница 157: ...express written authority is strictlyprohibited GRID Installing the filling tool Warning Hazard of asphyxiation Whenever entering confined spaces there is a danger of death or serious injury by asphyx...

Страница 158: ...ess written authority is strictlyprohibited GRID Preparing the SF6 gas bottle Process The table below gives the steps of preparing the SF6 gas bottle Step Action Diagram 1 Remove the cover 4 and plug...

Страница 159: ...ted GRID Filling with SF6 gas Filling pressure calculation CalculatetheSF6 gasfillingpressure inaccordance withthetemperatureand the local atmospheric pressure Filling is carried out to calculated pre...

Страница 160: ...express written authority is strictlyprohibited GRID Confirm the pressure Process The table below gives the confirmation operation steps of the filling pressure with SF6 gas Step Action Comment Diagra...

Страница 161: ...osure to third parties without express written authority is strictlyprohibited GRID Checking pressure Principle Having allowed the temperature to remain steady for at least 12 hours after filling it i...

Страница 162: ...table The table below gives the process depending the pressure measured 14 16 If the pressure measured is Action correct End of control too high Adjust the pressure by means of valve 16 on the gauge...

Страница 163: ...l depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written...

Страница 164: ...d commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibi...

Страница 165: ...is given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without liability a...

Страница 166: ...re NOTE Rated pressure pressure of equipment after SF6 gas filling D Flexible connections linking circuit breaker to busbar installed Reminder Themeasurement valuesdemanded hereafterare to be takendur...

Страница 167: ...Make sure escape routes are available and not blocked Reminder SF6 envelopes are at rated pressure following the SF6 gas filling operation Parameters Take note of parameters below D site altitude in m...

Страница 168: ...rcial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRI...

Страница 169: ...ectrically by remote control Measurements specific to the circuit breaker D Closing time Measure the closing time of each pole from current emission in the circuit breaker sclosingelectro magnet until...

Страница 170: ...hange without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Operating device of disconnector s if applicable General conditions Th...

Страница 171: ...enteredinthepre commissioningtest report RES see summary forrefer ence which should then be sent for approval to ALSTOM Grid S A Cus tomer Service If however thevalues do not conform with those fores...

Страница 172: ...out liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Preparing for resumption of service P...

Страница 173: ...nol D Paint PU780 FARBATHANNE NF colour RAL 9006 D Paintbrush D Emery paper D Not supplied Cleaning rags and gloves Process INSPECTION AND CLEAN D Once it has been determined that the damage is limite...

Страница 174: ...oder de corte en corto circuito ________kA Pression absolue du gaz SF6 Pression relative du gaz SF6 Absolute SF6 gas pressure at 20 C ______ MPa Relative SF6 gas pressure at 20 C and 1013 hPa ____MPa...

Страница 175: ...at site Verificaci n en el sitio Organe de man uvre Operating mechanism Organo de maniobra __________ tat des emballages Condition of packings Condici n de los embalajes l ment de p le Pole element El...

Страница 176: ...e at the opposite of operating mechanisms ltimo polo detr s de los organos de maniobra MONTAGE SUR SITE DU DISJONCTEUR ASSEMBLY OF THE CIRCUIT BREAKER ON SITE MONTAJE DEL INTERRUPTOR EN EL SITIO Contr...

Страница 177: ...mbrado V rification de l assemblage V rification of assembly ________________ Comprobaci n del montaje Conformit signalisation optique Confomity of optical indication ________________ Conformidad de l...

Страница 178: ...cableria y la base Les moteurs et les quipements d j essay s conform ment leur propre sp cification ont t d connect s pendant ces essais The motors and equipments tested previously in accordance with...

Страница 179: ...p rature Altitude ______ m Barometric pressure ______ hPa Temperature ______ C Altitud Presi n barom trica Temperatura Pression absolue Absolute pressure Pressi n absoluta Mesurage de la pression de r...

Страница 180: ...LANCIA DE LA PRESI N DE SF6 pression relativa en Mpa Temp rature Pression barom trique Temperature ________ C Barometric pressure ________hPa Temperatura Presi n barom trica Unit de mesure de pression...

Страница 181: ...sur le site Supplyvoltage on site ____ V ____ Tensi n de alimentaci n sobre el sitio P le P1 Polo P le P2 Polo P le P3 Polo Avec contacteur With contactor Con contactor c _____ _____ _____ Man uvre d...

Страница 182: ...re p les Between poles Entre polos Ouverture voie 2 Opening way 2 Apertura via 2 ______ MESURAGE DES DUR ES DE FONCTIONNEMENT DES CONTACTS AUXILIAIRES MEASUREMENT OF AUXILIARY CONTACT OPERATING DURATI...

Страница 183: ...AMIENTO MEC NICO TIEMPO DE OPERACI N Tension d alimentation sur le site Supply voltage on site ______V ______ Tensi n de alimentaci n sobre el sitio SKG Man uvre de fermeture Closing operation Maniobr...

Страница 184: ...LOS CONTACTOS AUXILIARES Type de contact Contact type Tipo de contacto Dur e Duration Duraci n 52 a ______ SKG Man uvre de fermeture Closing operation Maniobra de cierre 52 b ______ 52 a ______ Man uv...

Страница 185: ...OUPURE ALIMENTATION LECTRIQUE CONTACT TUBE POSITION WHEN POWER SUPPLY SWITCHED OFF POSITI N DEL TUBO DE CONTACTO AL CORTE DE LA PROVISI N ELECTRICA P le Pole Polo P le Pole Polo P le Pole Polo 1 2 3 c...

Страница 186: ...ermeture distance Remote closing Cierre distancia Ouverture distance Remote opening Apertura distancia Chauffage thermostat Thermostated heating Calefacci n con termostats Signalisation d faut SF6 1er...

Страница 187: ...lation h licoidale et centrifuge Verification of monitoring principle of the ventilation system for axial flow fans and centrifugal fans Verification de principio de vigilancia del sistema de ventilat...

Страница 188: ...___ _______________ _______________ _______________ _______________ P2 N _____________ TP1 VT1 TP2 VT2 TP1 VT1 TP2 VT2 Identification fournisseur Supplier number Numero provedor _______________ ______...

Страница 189: ...procedura ALSTOM ref QDA 20 095 Tension primaire bornes A N Primary voltage terminals A N ______ Volt Tensi n del primario bornas A N Tension secondaire tertiaire Secondary tertiary voltage ______ Vol...

Страница 190: ...ie Tension entre borne dn p le 1 et borne dn p le 3 valeur gale celle mesur e sur chaque tertiaire Voltage between terminal dn pole 1 and terminal dn pole 3 value equal to the value measured on each t...

Страница 191: ...GRID ALSTOM Grid SAS 130 rue L on Blum 69611 Villeurbanne France This page is intentionally blank...

Страница 192: ...por terceros si no es en estrica conformidad con autorizaciones expresas previas Crit re d Acceptation ACCEPTANCE CRITERIA CRITERIOS DE ACEPTACI N QUALIT QUALITY CALIDAD METTEUR EMISOR QUALITE MONTAG...

Страница 193: ...izing the closing circuit and the instant when the contacts touch in all poles OPENING TIME Interval of time between the instant of energizing the opening release and the instant when the arcing conta...

Страница 194: ...a a m nimo de tensi n 57 83 RE 3000 Fermeture par relais Closing with relay Cierre con rel Allen Bradley 102 122 RE 3000 Ouverture par relais Opening with relay Abertura con rel Allen Bradley 62 76 Fe...

Страница 195: ...Ouverture Opening Abertura 1 5 DUR E DE REARME FK3 12 en s tension assign e CHARGING TIME FK3 12 in s at rated voltage TIEMPO DE CARGA DEL RESORTES FK3 12 en s a la tensi n nominal Tension Moteur en...

Страница 196: ...connexion Complete pole without connection Polo completo sin conexi n 4 4 Sectionneur Disconnector Seccionador 4 Combin FKG avec connexion Generator circuit breaker FKG with connection Conjunto con co...

Страница 197: ...GRID ALSTOM Grid SAS 130 rue L on Blum 69611 Villeurbanne France This page is intentionally blank...

Страница 198: ...y asphyxiation D Make sure the confined spaces are properly ventilated before personnel enter D Make sure a person outside of the confined space supervises the work D Obey the look out tag out and per...

Страница 199: ...nance plan of circuit breaker may be defined as follows Type of examination Frequency Comment Maintenance visits Once or twice a year It is advisable to perform at least 2 CO duty cycles per year when...

Страница 200: ...000 guaranteed mechanical cycles Maintenance frequency Under normal operating conditions the maintenance plan of disconnector may be defined as follows Type of examination Frequency Comment Maintenanc...

Страница 201: ...Maintenance visits Once or twice a year It is advisable to perform at least 2 CO duty cycles per year when apparatus are scarcely used in order to check that the earthing switch and associated con tro...

Страница 202: ...teed mechanical cycles Maintenance frequency Under normal operating conditions the maintenance plan of starting discon nector may be defined as follows Type of examination Frequency Comment Maintenanc...

Страница 203: ...J J J Operation counter reading J J Overall inspection appearance corrosion paint work signs of overheating J J J J Inspect the insulating envelopes of poles J J J J Check the condition of crank leve...

Страница 204: ...TS 1 or 2 times a year INSPECTION every 5 years OVERHAUL OPERATING TIME 20 years OVERHAUL ELECTRICALWEAR see Electrical wear limits module S51 051 OVERHAUL MECHANICAL OPERATIONS 10 000 cycles REVISION...

Страница 205: ...witch and or starting dis connector where applicable 10000 guaranteed mechanical cycles Guide The table below is a guide of the operationsto be carried out at each mainte nance stage MAINTENANCE VISIT...

Страница 206: ...r The inspection and overhaul operations described in this section should al ways be performed with the apparatus isolated in other words D main circuit de energized D earthed at extremities rendering...

Страница 207: ...RE EXPOSED TO AIR WHEN THE COVER IS REMOVED General condition of the apparatus The apparatus should be subjected to visual inspection If patches of corro sion are found begin reconditioning of the aff...

Страница 208: ...recorded influences future mainte nance operations SF6 pressure gas For a circuit breaker equipped with a dial type SF6 gas densimeter check the position of the needle See the module SF6 gas monitorin...

Страница 209: ...iary contacts Measure theoperating times of poles and auxiliary contacts followingproce dure in section entitled PRE COMMISSIONING INSPECTIONS If thevalues found areoutside those given in thedocument...

Страница 210: ...GRID Detail of circuit breaker maintenance operations continued Insulating envelopes Check theconditionof insulatingenvelopes theseshouldbefree from impact marks splintering cracks dust deposits pollu...

Страница 211: ...cuit breaker casing Current transformers if applicable Check condition of transformers as follows D clean transformer insulating surfaces using a dry cloth D check electrical connections on CT termina...

Страница 212: ...en carrying out the 10 000 cycle servicing the circuit breaker s FK3 12 operating mechanismshould bechanged This operation must be carriedout by ALSTOM Grid S A Customer Services who should be contact...

Страница 213: ...e foreseen circuit breaker interventions Pole insulating supports Check thecondition of insulatingsupports these should be free from impact marks splintering cracks dust deposits pollution etc Clean w...

Страница 214: ...perating mechanism rotation Check that all keys required for unlocking are present Using the crank place the operating mechanism in intermediary position between fully open and fully closed Give an op...

Страница 215: ...ill depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express writte...

Страница 216: ...r disclosure to third parties without express written authority is strictlyprohibited GRID Electrical wear limits Estimation Electrical wear can be determined by means of the curve below This curve co...

Страница 217: ...s given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without liability an...

Страница 218: ...troduction To realize the electrical contact densimeter threshold inspection it is imperative to isolate the densimeter volume from the pole SF6 gas volume Warning Hazard of asphyxiation Whenever ente...

Страница 219: ...pply to any particular project This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to...

Страница 220: ...gives the steps of densimeter testing Step Action Comment Diagram 1 Connect a test lamp to the Alarm pressure for the insulation pae densimeter threshold Connection to the terminal block of the opera...

Страница 221: ...pend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written auth...

Страница 222: ...e Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Presentation Introduction After inspection of the electrical contact densimeter threshold...

Страница 223: ...ng the densimeter Process The table below gives the steps of removing the densimeter Important information The densimeter has been checking and its volume is isolated from the pole SF6 gas volume see...

Страница 224: ...roduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Installing the new densimeter Process The table below gives the steps of installing the densim...

Страница 225: ...on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authorit...

Страница 226: ...ular project This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties wit...

Страница 227: ...any particular project This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third p...

Страница 228: ...en authority is strictlyprohibited GRID Preparing and installing static seals Process for FKG1N 1F 1X and SKG1 IKG1 The table below gives the steps of replacing cover seals Step Action Comment 1 Remov...

Страница 229: ...ed without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Preparing and installing stati...

Страница 230: ...express written authority is strictlyprohibited GRID Preparing and installing static seals Process for FKG1XP XV XW The table below gives the steps of replacing cover seals Step Action Comment 1 Remov...

Страница 231: ...and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Preparing and installing static seals Process for F...

Страница 232: ...e Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Presentation Introduction The GCB is comprinsing one or two supports of GCB equipments ac...

Страница 233: ...press written authority is strictlyprohibited GRID Isolating of apparatus Caution DURING MAINTENANCE OPERATIONS ALL POSSIBLE SAFETY PRE CAUTIONS SHOULD BE TAKEN TO PROTECT PERSONNEL WORKING ON THE EQU...

Страница 234: ...d is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Remove of the equipped supports continued Remove the...

Страница 235: ...to any particular project This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to thi...

Страница 236: ...t This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without expres...

Страница 237: ...s provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Remove of the VT s VT...

Страница 238: ...particular project This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parti...

Страница 239: ...commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibite...

Страница 240: ...orts respectingthelocation marks during thedisassembly usingthe bolts A B C E F to refer disassemble procedure and proceed as follows D Reinstall the supports equipped on the top of GCB enclosure D Pr...

Страница 241: ...or warranty is given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without...

Страница 242: ...ailure Remedical measures D Tripping voltage lacking D Coil defective D Auxiliairy contacts do not transmit the order D D Secure the supply voltage D Replace the coil D Proceed to adjust the auxiliary...

Страница 243: ...parties without express written authority is strictlyprohibited GRID Troubleshooting continued Failures table The table here below gives the presumed failures including the remedical measures EXAMPLE...

Страница 244: ...provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Presentation Introducti...

Страница 245: ...ability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Special tools Table of special tools The ta...

Страница 246: ...or disclosure to third parties without express written authority is strictlyprohibited GRID Special tools continued Table of special tools continued The table below gives the continuation of ALSTOM s...

Страница 247: ...ility and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Special tools continued Table of special tool...

Страница 248: ...r disclosure to third parties without express written authority is strictlyprohibited GRID Special tools continued Table of special tools continued The table below gives the continuation of ALSTOM spe...

Страница 249: ...out notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Accessories Table of accessories The table below gives the ALSTOM accessories NU...

Страница 250: ...disclosure to third parties without express written authority is strictlyprohibited GRID Accessories continued Table of accessories continued The table below gives the continuation of ALSTOM accessor...

Страница 251: ...given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without liability and...

Страница 252: ...circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Pre...

Страница 253: ...rect or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or...

Страница 254: ...ial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID...

Страница 255: ...provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Installing the short ci...

Страница 256: ...s It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Installing the s...

Страница 257: ...ances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID Installing t...

Страница 258: ...This will depend on the technical and commercial circumstances It is provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express...

Страница 259: ...provided without liability and is subject to change without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID I Introduction During t...

Страница 260: ...without notice Reproduction use or disclosure to third parties without express written authority is strictlyprohibited GRID II General remarks It is necessary to proceed with a maximum amount of disma...

Страница 261: ...tion products SO2 HF In case of absence of a local waste processing channel for the recycling of SF6 we recommend a return to our site in Villeurbanne where we propose reprocessing via our European se...

Страница 262: ...ther than for a few very specific cases These waste products mainly include Parts in epoxy resin insulating cone in the case of circuit breakers with insertion resistance Plastic parts loaded with gla...

Страница 263: ...representation or warranty is given or should be relied on that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is...

Страница 264: ...ased gases into theatmosphere which artificially increase the greenhouse effect Even if Sulphur Hexafluoride SF6 is only present in the environment in low levels it creates a greenhouse gas which has...

Страница 265: ...ation of this gas which could lead to troughs can contain a strong concentration of this gas which could lead to asphyxia asphyxia N B N B The The max maximu imum m per permis missibl sible e con conc...

Страница 266: ...ent containing used SF6 gas should be labelled Every recipient containing used SF6 gas should be labelled Use Used dSF6 SF6gas gaswil will l be bestore stored d in ina apre pressur ssurise ised d lea...

Страница 267: ...SF SF6 6 includi including ng toxic toxic produ products cts SF6 post arcing SF6 post arcing Studies of the compart Studies of the compart ment ment containi containing polluted ng polluted SF6 SF6 We...

Страница 268: ...p for dangerous materials must be drawn up Transportation slip for dangerous materials must be drawn up D D In the event of a transportation of SF6 gas containing toxic products In the event of a tran...

Страница 269: ...nical alQuality Qualityspecifica specifications tionsof of Sulphu Sulphur r Hexafluo Hexafluoride ride SF6 SF6 for use in electrical devices for use in electrical devices D D IEC 60 480 IEC 60 480 gui...

Страница 270: ...to third parties without express written authority is strictlyprohibited GRID Presentation Introduction Thesemaintenancedirectivesincorporatemeasures foravoidingthehazards involved in the application...

Страница 271: ...sure to third parties without express written authority is strictlyprohibited GRID Evacuation of SF6 gas apparatus Principle and precautions The table below gives the principle of evacuation of SF6 ga...

Страница 272: ...ts of gas vapor from powdery decomposition products DS Wear special overalls when working on opened up SF6 switchgear which contains powdery decomposition products After completing work remove overall...

Страница 273: ...room without delay enter the room only after thorough ventilation or when wearing suitable oxygen breathing masks with filtering or fresh air device 2 After disturbances enter the substation room onl...

Страница 274: ...n that it is complete or correct or will apply to any particular project This will depend on the technical and commercial circumstances It is provided without liability and is subject to change withou...

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