1、 Table of contents 1 AREVA at your service (51.1Our Service Unit: our specialists, and suitably adapted services (52 With regards to this User Manual (62.1Responsibilities (62.2Particular instructions for operations and interventions on energized equipment (62.3Other technical notices to be consulte

2、d (62.4Tools (not supplied required for the operations describ ed in this user manual (62.5Symbols & conventions (63 Functional interlocks (73.1Functional mech anical interlocks (73.2Interlocks for functions C and T1 (73.3Interlocks for function CB (74 Operating accessories (84.1Reminder for Man

3、ual Operations (84.2Operating accessories (84.3Key locks (optional (85 Use of the C function (95.1Opening the earthing switch (95.2Closing the earthing switch (95.3Closing the switch disconnector (105.4Opening the switch disconnector (106 Use of the T1 function (116.1Opening the earthing switch (116

4、.2Closing the earthing switch (116.3Closing the switch disconnector (126.4Opening the switch disconnector (127 Use of the CB function (137.1Opening the earthing switch (137.2Closing the earthing switch (137.3Closing the disconnector (147.4Opening the disconnector (148 Maintenance (158.1Levels of mai

5、ntenance (158.2Preventive maintenance (158.3Corrective maintenance (158.4Replacement of the three fuses (158.4.1Replacement of a fuse (168.5Replacement of a signal lamp assembly (1739 Spare parts (189.1The spare part (189.2Identification of materials (199.3Storage conditions (1910 Cable testing (201

6、0.1Preparation of the function (2010.2Cable testing (2011 At the end of the equipment operational life (2111.1Safety instructions (2111.2Dismantling of the equipment service (2111.3Distribution and recovery of the materials used for Unisarc (2212 Notes (2345 1 AREVA at your serviceOperations and mai

7、ntenance may only be carried out by personnel w ho have re-ceived suit able authoris ation for the opera-tions and manuvres they are responsible for performing.If this is not the c ase, pleas e refer to our Service Unit or Training Centre.All locking out operations must be per-formed according to th

8、e s afety regulations currently being in force.1.1 Our Service Unit: our specialists, and suitably adapted services> Guarantee extension contracts in relation to the selling of new equipment,> Supervision of HVA switchgear installa-tions,> Technical advice, diagnoses of t he f acili-ties, e

9、xpertise,> Maint enance contracts adapt ed to opera-tional constraints,> Systematic or conditional prevent ive maint enance,> Corrective maintenance in case of partial or complete failure, > Supply of spare parts.Contact the AREVA Service Unit for diagnoses and advice: Working hoursPhone

10、 No: +39 0377 417 351 7 office hours Fax: +39 0377 451133KUA3400 2 With regards to this User Manual© AREVA 2008. AREVA, the AR EVA logo and their figurat ive forms are AREVA registered trademarks. The other brand names ment ioned withinthis document, whether they be copyrightor not, belong t o

11、their respective holders.2.1ResponsibilitiesOur devices are quality controlled and tested at t he factory in accordance with the standards and the regulations currently in force.Apparatus efficiency and apparatus lif e depend on the compliance with t he instal-lation, commissioning and operation in-

12、structions described in this user manual. Non respect of these instructions is likely to invalidate any guarant ee.Local requir ements especially about safety and which are in accordance with t he indi-cations given in this document, must beobserved.AREVA declines any responsibility for theconsequen

13、ces:> due to the non r espect of the recom-mendations in t his manual which makereference to t he international regula-tions in force.> due to the non r espect of the instruc-tions by the suppliers of cables andconnection accessories during installa-tion and f itting operations,> of any pos

14、sible aggressive climaticconditions (humidity, pollut ion, etc.acting in the immediate environment ofthe mat erials that are neither suitablyadapt ed nor protected for these ef-fects.This user manual does not list the lock-ingout pr ocedures that must be applied.The intervent ions described are carr

15、ied outon deenergized equipment (in the courseof being installed or locked out (non op-erational.2.2Particular instructions for operations and interven-tions on energized equipmentWhen commissioning and operat ing the equipment under normal condit ions, the General s afety instructions for electrica

16、l applications must be respected, (prot ective gloves, insulating stool, etc., in addit ion t o standard operat ing instructions. All manipulations must be completed oncestarted.The durations (for completing the opera-tions mentioned giv en in the maintenancetables are purely an indication and depen

17、don onsit e conditions.2.3Other technical notices to be consulted> 2.4Tools (not supplied required for the operations de-scribed in this user manual> Flat, t hin screwdriver (4 + medium> Leat her gloves 2.5 Symbols & conventions> Code for a product recommended andmarket ed by AREVACA

18、UTION! Remain vigilant!Precautions to be taken in order to avoid accidents or in-jury> Tight ening torque value.> Example: 1.6 daN.mFORBIDDEN! Do not do it!Compliance w ith this indication is compulsory, non com-pliance with t his stipulat ion may damage the equipment.> Mark corresponding t

19、o a key INFORMATION ADVICEYour att ention is draw n to a specific point or operation.6 3 Functionalinterlocks3.1Functional mechanical interlocksThe UNISARC switchgear is equipped w ith internal mechanical interlocks, called "functional", int ended to avoid any kind ofoperat ing error.It is

20、 necessary to know t hese interlocks inorder to operat e the switchgear correctly.3.2Interlocks for functions C and T1Position Switch disconn ector Earthing switch Access to cables/fuse compartmentClosed Locked open Locked closedSwitch disconnectorOpen Free Dependant on the pos ition of the earthing

21、 switchClosed Locked open Free Earthing switchOpen Free Locked closed Acces to cablescompartmentC typeOpen Locked open Free Acces to cables/fusecompartmentT1 typeOpen Locked open Locked closed 3.3Interlocks for function CBPosition Circuit breaker Disconn ector Earthing switchAccess cover to cable co

22、mpartmentClosed(Interlock keyretainedLocked closed Locked open Locked closed Circuit breakerOpen(Interlock key releas ed Free w ith inter loc k keyactuated (K.I and de-pendant on t he posit ionof t he earthing sw itchDependant on theposition of t he dis-connectorDependant on the po-sition of the ear

23、thingswitchClosed (Interlock key releas ed Free with int erlockkey actuat edLocked open Locked closedDisconnectorOpen(Interlock key retained Locked Open FreeDependant on the po-sition of the earthingswitchClosed Open Locked open Free Earthing switchOpen Free with int erlockkey actuat edFree with int

24、 erlockkey actuat ed (K.ILocked closedAccess panel t o thecable compartmentOpen Open Locked open Locked Clos ed 7 4 Operatingaccessories4.1Reminder for Manual OperationsAll mov ements of the lev er must be frankand complet e.4.2Operating accessories Operating lever Signal lamp Locking ey elets wit h

25、 loc k4.3Key locks (optionalThey are used, in order to pr event anypossible wrong operations during the UN-ISARC switchgear use.C versionA - Open line free keyB - Close line free keyC - Close earth free keyD - Open earth free keyT1 versionE - Close earth free keyF - Open earth free keyKUA3500KUA36KV

26、 KUA37KVKUA4400KUA38KV89 5 Use of the C function5.1 Opening the earthing switch > Act on the interlock, by shift ing it up-wards> Insert the oper ating lev er into t he earthing switch control.> Grasp the lev er with both hands.> Turn the lever cloc kwise, up to reachthe end of stroke. T

27、he mimic diagram indicat or will t urn from the closedearth positionto the open earthposition .> Extract the operating lev er.5.2 Closing the earthing switchBefore closing the earthing switch, ensure there is no voltage across the voltage presence signal lamp. > Act on the interlock, by shift

28、ing it up-wards> Insert the oper ating lev er into t he earthing switch control.> Grasp the lev er with both hands.> Turn the lever counter-clockw ise, upto reach the end of stroke. The mimic diagram indicat or will turn from theopen earth posit ionto the closedearth position .> Extract

29、the operating lev er.KUA02KVKUA01KVKUA0300KUA0300aKUA04KVKUA01aKV105.3 Closing the switch disconnector > Be shure that the eyelets of the me-chanical int erlock are free. Move t he interloc k to downwards position.> Insert the oper ating lev er into t heswitch disconnector.> Turn the lever

30、cloc kwise, up to reach the end of stroke. The mimic diagram indicat or will turn from the open line positionto theclosed line posit ion . > Extract the operating lev er.5.4 Opening the switch disconnector > Insert the oper ating lev er into t he switch disconnector control.> Grasp the lev

31、er with both hands.> Turn the lever counter-clockw ise, up toreach the end of stroke. The mimic diagram indicat or will turn from theclosed line posit ionto the openline posit ion .> Extract the operating lev er.KUA05KVKUA06aKVKUA25KVKUA05aKVKUA06KVKUA06aaKV 6 Use of the T1 function6.1Opening

32、the earthing switch > Act on the interlock, by shift ing it up-wards> Insert the oper ating lev er into t he earthing switch control.> Grasp the lev er with both hands.> Turn the lever cloc kwise, up to reachthe end of stroke. The mimic diagram indicat or will t urn from the closedearth

33、positionto the open earthposition .> Extract the operating lev er.6.2Closing the earthing switch Before closing the earthing switch, ensure there is no voltage across the voltage presence signal lamp. > Act on the interlock, by shift ing it up-wards then is ert the operat ing lever into the ea

34、rthing switch control.> Grasp the lev er with both hands.> Turn the lever counter-clockw ise, upto reach the end of stroke. The mimic diagram indicator will turnfrom the open earth posit ion tothe closed earth posit ion . > Extract the operating lev er.KUA08KVKUA0700KUA09KVKUA09aKVKUA10KVKU

35、A0700a6.3Closing the switch disconnector > Act on the interlock, by shift ing it downwards.> Insert the closing spring loading leverinto the puposed seat.> Grasp the lev er with both hands. > Turn the lever cloc kwise, up to reach the end of stroke. The closing spring loading indicator w

36、ill turn from the un-loaded spring position to theloaded posit ion.> Extract the operating lev er. > Close the switch disconnector by shift-ing upwards the closing / opening momentary lever switch. The mimic diagram indicat or will turn from the open line position to the closedline posit ion.6

37、.4Opening the switch disconnector > Open the switch disconnector by shift-ing downwards the closing / opening momentary lever switch. The mimic diagram indicat or will turn from the closed line posit ion to the openline posit ion.> The closing spring loading indicator will turn from the loaded

38、 spring po-sitionto the unloaded posit ion.> NOTE : The switch disconnector opening can automatically take place f ollowing the action of one or more fuses that burn. In this case it takes place t he automatic closing spring unloading. The relativ e spring indicator will turn from the loaded spri

39、ng position to theunloaded position.KUA1200KUA11KVKUA13KVKUA14KVKUA15KVKUA16KVKUA17KV 7 Use of the CB function7.1Opening the earthing switch > Act on the interlock, by shift ing it upwards.> Insert the oper ating lev er into t he earthing switch control.> Grasp the lev er with both hands.&g

40、t; Turn the lever cloc kwise, up to reach the end of stroke. The mimic diagram indicat or will t urn from the closed earth positionto the open earth pos ition.> Extract the operating lev er.7.2Closing the earthing switch Before closing the earthing switch, ensure there is no voltage across the vo

41、ltage presence signal lamp. > Act on the interlock, by shift ing it up-wards then insert the operating lev er into the earthing switch control.> Grasp the lev er with both hands.> Turn the lever counter-clockw ise, up to reach the end of stroke.> The mimic diagram indicat or will turn fr

42、om the open earth posit ion tothe closed earth posit ion . > Extract the operating lev er.KUA18KVKUA18eKVKUA19KVKUA18aKVKUA18aaKVKUA18bKV7.3Closing the disconnector > Be shure that the eyelets of the me-chanical int erlock are free, otherwise remove the lock.> Move the interlock t o downwar

43、ds posi-tion then insert the operating lev er into the disconnector control slot.> Grasp the lev er with both hands. > Turn the lever cloc kwise, up to reach the end of stroke. The mimic diagram indicat or will t urn from the open line positionto the closed line position.> Extract the opera

44、ting lev er.> NOTE: Now, it is possible to extract the interloc k key from the disconnector gear and to make it available to per-form the circuit breaker closing opera-tion (see VEIVACUUM L ® Instruction Manual Operation and Maint enance.7.4Opening the disconnector > Extract the interlock

45、 key from the Cir-cuit Breaker gear. > NOTE: The key removing is possible in the opening Circuit Braker status only (see VEIVACUUM L ® InstructionManual Operation and Maint enance.> Insert the interlock key in t he proper seat (K.I near the disconnector slot.> Turn the key by rot ating

46、 it clockw ise. > Move the interlock t o downwards posi-tion then insert the operating lev er into the disconnector control slot. > Grasp the lev er with both hands.> Turn the lever counter-clockw ise, up to reach the end of stroke. The mimic diagram indicat or will turn from theclosed line

47、 posit ionto the openline posit ion .> Extract the operating lev er.KUA21KVKUA20KVKUA22KVKUA24KVKUA2300KUA21aKV 8 Maintenance8.1Levels of maintenanceDescription Levels Operations recommended in t he instructions manual "inst allation - oper ation - maint enance", carried out by suitably

48、qualified personnel having r eceived training allowing them to intervene whilst respecting the s afety rules.1 Complex operations, requiring specific expertise and the implementation of s upport equipment in accordance w ithAREVAs procedures. Thes e must be carried out by AREVA or by a s pecialised

49、technician trained by AREVA when st art-ing the procedures, with the appropriate specific equipment.2All preventive and corrective maintenance, all renov ation and reconstruction work is carried out by AREVA. 3 8.2Preventive maintenancePREVENTIVE MAINTENANCE Frequen cy LevelsRecommended operations 6

50、 years 1 2 3 Verification of the presence and condition of accessories (levers, etc. X X X X Visual inspection of the exterior (cleanliness, absence of oxidation, corrosion or electri-cal discharge, etc.X X X X Cleaning of external elements, of the insulators and all t he insulating parts with a cle

51、an,soft and dry cloth.X X X X Verification of the posit ioning of the status indicators (open and closed X X X X Verification of the f unctioning of the mechanic al control mechanism by making severalmanoeuvresX X X X Visual surveillance of the general appearance of connections X X X X 8.3Corrective

52、 maintenanceCORRECTIVE MAINTENANCE LevelsReplacements or modifications See § 1 2 3 Replacement of the three f uses 8.4 X X X Replacement of a s ignal lamp assembly 8.5 X X X 8.4Replacement of the three fusesIntervention Busbar Cables Switch disconn ector Earthing switch Normal de-energized de-e

53、nergized open closedPossible energiz ed de-energized open closed Locking out the Functional Unit Tools requir ed: Parts required:All locking-out operations must be per-formed according to the particular rules for the network concerned. > Leat her gloves> Compartment key> 3 fuses with the sa

54、me reference (verifyvalues in accordance with the trans-former power Before proceeding to c arryout the operations for remov-ing/inst alling t he parts com-posing the UNISARC switch-gear, be sure that the v oltagewas cut out to the primarycircuit and to t he auxiliaryone. See the corresponding chap-

55、ter in the Installation Manualfor the characteristics of thefuses. The T1 function meets theIEC 6224-105 requirements;particularly, when whateverfuse int ervenes the switchdisconnector automaticallyopens. In this situat ion it isnot possible to reclos e it untilthe blown fuse is replaced.For reliabi

56、lity reasons, re-placement of all of t he threefuses is recommended.8.4.1REPLACEM ENT OF A FUSE For an apparent ly singlephase f ault, it is imperat ivethat all 3 fus es be replaced. The body of a fuse c an be-come very hot f ollowing ashort circuit. Take standardprecautions (leather glov esbefore s

57、tarting work. Whenever changing or fittinga fuse, close the compart-ment immediat ely aft erwardsto avoid letting dust and hu-midity enter. > Activation of one or more fuses leadsto three sit uations:-automatically opens the switchdisconnector. The relat ive mimicdiagram indicat or will turn fromthe closed line position to theopen line position .-the fuses mimic diagram indicatorwill turn from the closed line posi-tion to the open line posit ion.> > Moreov er, auto