Alstom FKG1X Instruction Manual Download | Manualshive

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Installation

Measuring main circuit resistance

G31--401EN02

3/10

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

Tool and equipment necessary for measuring

Necessary control
equipment

Apparatus enabling measurement of resistance from 0,3

m

Ω



0,1

m

Ω

to 10

m

Ω



0,2

m

Ω

with direct current.

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Summary of Contents for FKG1X

Page 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...

Page 2: ......

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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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