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Repairing And Servicing Of All H.T Equipment In The Sub Station At Cwr Site Of Prakash W/S Scheme In The Block-Bishnupur Under Bankura Mechanical Division Phe Dte.-- 1 Emergency fault finding of the 160 KVA Transformers, 4 &1 panel VCBS, 250KVA AVR with connecting HT, LT cables with hiring of all Testing kit / machine like Insulating Resistance ,VDB test dehydration filtration etc 2 SINGLE PANEL VCB : 3 Solid State Electronic Buzzer / Hooter supply Make: STS, Model: SBMV-96, Aux: 12 – 240 V AC/DC 4 Buzzer / Hooter replacement charges 5 240sq.mm.X 3core,11KVgrade,Indoortype,heat shrinkable End Termination Kit supply 6 240 sq. mm., 11 KV grade indoor type heat shrinkable Kit Jointing charges 7 Cable supporting post insulator supply 8 3 nos. post insulator replacement charges 9 200-Watt Space Heater supply Make: RECO, 230 V 10 Supply delivery of Thermostat supply Range: 30⁰ C - 110⁰ C, 15 Amp., 230/250 V AC Make: ELCON GOLD, Model: MM-106, 11 Charges for 5 Nos. space heater along with3 nos. thermostat wiring connection of SP VCB Panel 12 CT Terminal supply 13 CT Terminal replacement charges 14 Chargesfor11KVVCBRacked outfrom11KVPanel,11KVVCB Mechanismdismantling,11KVVIHousingRubbing,Cleaningby applying CRC, WD-40, Varnishing by applying Red Insulation Varnish and Heating treatment done for IR Improvement, after IR improving 11 KVVCBRackedINinsidePanelandpowerchargingbyExpert Electrical Engineer. 15 Chargesfor11KVHTcabledisconnection,11KVCTprimary& secondary side disconnection, 11 KV CT dismantling, rubbing, cleaning done by applying CRC, WD-40. After that heating treatment done, then varnishing done by applying Red Insulation Varnish to improve the IR value,afterimprovingtheIRvaluefinallyre-fittingthe11KVCT, reconnecting the primary and secondary connection and termination of 11 KV HT cable and power charging Done 16 Chargesfor3 Nos PTDismantling,Rubbing,Cleaningdone by applying CRC, WD-40. After that heating treatment done, then varnishing done by applying Red Insulation Varnish to improve the IR value, after improvingtheIR value finallyre-fitting3Nos PT andPT Kept in Line 17 ChargesforCTSpouts&Bus-BarSpoutsDismantling,Rubbing, Cleaning done by applying CRC, WD-40. After that heating treatment done,thenvarnishingdonebyapplyingRedInsulationVarnishto improve the IR value, after improving the IR value finally re-fitting 18 Charges for all bus-bar supporting post insulator Dismantling, Rubbing, Cleaning to be done by applyingCRC, WD-40. After that heating treatment to be done, then varnishing to be done by applying Red Insulation Varnish to improve the IR value, after improving the IR value finally refitting all busbar supporting post insulators 19 Charges of replacement of spring charging indication circuit checking,Buzzer / Hooter,Aux. Contactor,8 Window Announciatorby the skilled electrician as per direction of E.I.C 20 4 – PANEL VCB: 21 Supply and delivery ofO/C & E/F Relay supply Make: Schneider, Model: Micom P111 / Easergy P1 22 Supply and delivery of O/C & E/F relay replacement & calibration charges 23 Supply and delivery of 240 sq. mm. X 3 core, 11 KV grade, Indoor type, Heat shrinkable End Termination Kit 24 240sq.mm.,11KVgrade,indoortype,HeatshrinkableKitJointing charges 25 Supply and delivery of 95 sq. mm. X 3 core, 11 KV grade, Indoor type, Heat shrinkable End Termination Kit 26 95sq.mm.,11KVgrade,indoortype,HeatshrinkableKitJointing charges 27 Supply and delivery of 200 Watt Space Heater supply 230 V Make: RECO, 28 Supply delivery ofThermostat supply Range: 30⁰ C - 110⁰ C, 15 Amp., 230/250 V AC Make: ELCON GOLD, Model: MM-106, 29 Supply delivery of2.5 sq. mm. S/C, 1.1 KV grade Control cable supply for space heater and thermostat wiring of 4 panel VCB, single panel VCB and control wiring rectification of 4 panel VCB 30 Chargesfor4Nos.spaceheateralongwith2nos.thermostat wiring connection of SP VCB Panel 31 Charges for 11 KV VCB Racked out from 11 KV Panel, 11 KV VCB Mechanism dismantling, 11 KV VI Housing Rubbing, Cleaning by applying CRC, WD-40, Varnishing by applying Red InsulationVarnishandHeatingtreatmentdoneforIR Improvement, after IR improving11KVVCBRackedIN inside PanelandpowerchargingDoneofIncomer,O/G-1,O/G-2& Spare Panel. 32 Charges for 11 KV HT cable disconnection, 11 KV CT primary & secondarysidedisconnection,11KVCTdismantling,rubbing, cleaningdonebyapplyingCRC,WD-40.Afterthatheating treatment done, then varnishing done by applying Red Insulation VarnishtoimprovetheIRvalue,afterimprovingtheIRvalue finallyre-fittingthe11KVCT,reconnectingtheprimaryand secondaryconnectionandterminationof11KVHTcableand power charging Done ofO/G-1, O/G-2 & Spare Panel. 33 Charges for Bus-Bars Dismantling, Rubbing, Sulfating Cleaning, HeatingbyapplyingCRC,WD-40,forIRImprovementand finally Re-fitting 34 Supply and delivery of Current Transformer . Ratio: 60 - 30/5+5 A, Make- Reputed Core1: 15 VA, Class: 0.5 Core2: 15 VA, Class: 5P10,STC: 25 kA for 1 SEC 35 Charges for old burnt CTs dismantling from circuit and new CTs Installation,Fixing,Bus-Barconnection,CTsecondary connection at Incomer of 4 panel VCB 36 Charges for CT Spouts & Bus-Bar Spouts Dismantling, Rubbing, CleaningdonebyapplyingCRC,WD-40.Afterthatheating treatment done, then varnishing done by applying Red Insulation VarnishtoimprovetheIRvalue,afterimprovingtheIRvalue finally re-fitting of Incomer, O/G-1, O/G-2 & Spare Panel. 37 Supply and delivery of 11 KV 3 Phase Potential TransformerRatio: 11 KV/ 110 V, Make: NPP/ Reputed Burden: 100 VA / Phase, Class 0.5 Insulation level: 12 / 28 / 75 kVp, HSV: 12 KV, Voltage Factor: 1.2 continuous 1.5 for 3 secs (Including PT Fuse Supply) 38 ChargesforolddefectivePTsSecondarywiredisconnection, dismantling the defective PTs from circuit and new PTs Installation,Fixing,Bus-Bar connection,PTsecondarywirere- connection and after re-fitting the PTs at circuit testing & power re-storation 39 Power Pack supply Make: Shruti Electronics, I/P: 110 / 230 V AC, O/P: 110 V DC 40 Power Pack replacement charges 41 Paint supply for Incomer, Outgoing-1, Outgoing-2 & Spare VCB Chamber & CT Chamber Painting 42 Rusted portion De-rusting & Painting charges of Incomer, Outgoing-1, Outgoing-2 & Spare VCB Chamber & CT Chamber 43 250 KVA HT AVR (7 – 12 KV / 11 KV) : 44 Charges for Di-Electric Strength Test (BDV Test) 45 Supply delivery and filling of Transformer Oil (minaral cooling Oil) as per IS-335-1993. 46 Supply delivery of Elysian Blue Color Silica Gel dry and desiccant crystals type in theBreather of above transformer as per direction 47 Supply and delivery Control Transformer supply 50 VA, 240 V / 110 V 48 Supply and delivery Aux Contractor supply (4 NO – 4 NC) Make: Siemens / ABB, Coil Voltage: 110 V AC 49 Supply and delivery Aux Contractor supply (4 NO – 4 NC) Make: Siemens / ABB, Coil Voltage: 220 V AC 50 Supply and delivry PCB Relay Cardfor AVR 51 Supply and delivery Voltage Controller Potentiometer (1K) supply 52 Supply delivery of Power Pack supply O/P: 110 V DC Make: Shruti Electronics 53 AVR Inspection and Control Operation Rectification Charges by fixing all supplied spares in item no 54 Dehydration & Filtration of Transformer Oil by heat run process for improvement of IR Value (BDV minimum 60KV/mnt) by the hiringof Filtering Machine and Testing Machine & Kit etc as per I.E Rules. 55 All kinds of Gaskets & Oil Seal supply for HT & LT Bushings, TopCover, InspectionCover, Valveetc. of(A+C) Unitof250 KVA AVR 56 Charges for gasket changes for (A+C) Unit of 250 KVA AVR by disconnecting of all HT and LT terminals, draining transformer oil,openingoftopcover,arrestingofanyoilleakageby changingofgasketandoilsealrespectivelyvariousgasket portion like top cover, inspection cover, tap switch, conservator tank, radiators, buchholz, drain valve(as where required) and HT-LT bushing portion 57 Painting of of the above AVR by the ready mixed primer of approved make, and brand incl. preparation of surface by sand paper, cleaning etc. for receiving two coat of superior quality synthetic anamal paintafter applying one coat of red lead chromate primeras per direction of EIC Painting wil be done by the spray paiting machine 58 160 KVA Transformer (11 KV / 0.433 KV) : 59 Supply and delivery of Transparent Breather with 250 grm. Silica Gel 60 supply and fillingNew Transformer Oil as per IS-335 61 Charges for Di-Electric Strength Test (BDV Test) by the hiringof Testing Machine & Kit etc as per I.E Rules. 62 Supply and delivery All kinds of Gaskets & Oil Seal supply for HT & LT Bushings, Top Cover, Inspection Cover, Valve etc. of160 KVA, 11 KV / 0.433 KV Transformer 63 Chargesforgasketchangesfor160KVATransformerby disconnecting of all HT and LT terminals, draining transformer oil,openingoftopcover,arrestingofanyoilleakageby changingofgasketandoilsealrespectivelyvariousgasket portion like top cover, inspection cover, tap switch, conservator tank, radiators, buchholz, drain valve(as where required) and HT-LT bushing portion 64 Dehydration & Filtration of Transformer Oil by heat run process for improvement of IR Value (BDV minimum 60KV/mnt) by the hiringof Filtering Machine and Testing Machine & Kit etc as per I.E Rules. (240ltr x2)nos transformar 65 Painting of of the above AVR by the ready mixed primer of approved make, and brand incl. preparation of surface by sand paper, cleaning etc. for receiving two coat of superior quality synthetic anamal paintafter applying one coat of red lead chromate primeras per direction of EIC Painting wil be done by the spray paiting machine 66 LT PDB Panel : 67 Supply and delivery of Multi-Function Meter Make: Schneider, Model: Conzerv EM6400NG 68 Supply and delivery of Ring CT (0.66/3 KV) Ratio: 60/5 A, VA:5, Class:1.0 69 Supply and delivry of 3 PH Digital Ammeter (Make- Schneider) 70 Supply and delivery of 4 Way 63 Amp. Terminal Block 71 Checking fault part by part of LT PDB panel Replacement and calibration of supplied spares in item no E and cleaning servicing of all terminals, bus bar by applyingCRC,WD-40,forIRImprovement .
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