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Tender For Providing Electrical Installation To 2X2000Kva Transformer For Disaster Recovery Centre (Drc), Nagpur Supplying, Erecting, Testing & Commissioning Of 11Kv, 1250A 32.5Ka Indoor Solid Insulated Single Busbar Swbd-11/C+3 O/G Having Internal Arc Tested Panels & Following Short Specifications For Ais Switchgear - 1) One Minute Power Frequency Withstand Voltage Upto 1000 Mtm Altitude-38Kv For 11Kv 2) 1.2/50 Microsecond Impulse Withstand Voltage Upto 1000 Mts Altitude-95Kv For 11Kv 3) Dynamic Withstand Rating = 62.5 Ka (Peak) For 11Kv. 4) Short Time Rating For Bus Bars, Cb, Ct And Switchgear Assembly = 25Ka For 3 Seconds For Both 11Kv. 5) Short Circuit Making Current Of Breaker = 62.5 Ka (Peak) For 11Kv 6) Outgoing Feeders To Have 63Bu, 63Oti, 63Wti, 63Oti, 630R 74, 86, 27, 59 Apart From 50, 50, 51, 51N. Supplying, Installing, Testing & Commissioning 3 Phase, 11/0.433 Kv, 50 Hz., 2000 Kva, Mineral Oil Immersed And Naturally Cooled Outdoor Type (With Cable Boxes On Ht & Lt Side), Copper Wound Non-Sealed Transformer Delta/Star Connected Additional Neutral Brought Out On Load Side, Temperature Rise Should Not Exceed 45°C By Thermometer In Oil And 50°C By The Resistance Method In Winding At Full Load Rating, Using Type A Winding Insulation (Kraft Paper), With Hv Tapping (With On Load Tap Changer Easun Mr Make) On Load +5 To-15 In Steps Of 2.5%, With Standard Accessories Complete With Test Certificate With Losses As Per Is:1180(Part 1): 2014 With Necessary Permissions Of Electrical Inspector, As Per Specification No Ss-Tr-Nsl Supplying, Installing, Testing And Commissioning Of Synchronizing Panel As Per Provided Sld And With Following - I) 4 Nos. Acb-Electrical Drawout Type, 650V, 3200A Rated At 50° ? Without Deration, 12Kv Impulse, 4 Pole (100% Neutral Protection) 65 Ka (Ics=Icu=Lcw For 1S), With Standard Accessories With Ready To Close, With Shunt Trip Coil, Undervoltage Release Individual Fault Trip, Alarm And Trip Indications, Mechanical And Electrical Anti Pumping, Soft/Hard Rating Plug (Including Hard Rating Plug Ct) With Micro-Processer Based Lcd Display Release With Lsig And Temperature Rise Protection & With 4 C/O Contacts For On-Off-Trip Indication, Min. 5 Event And Trip History On Breaker Display. Ii) Synchronizing Controller With Load Sharing Facility Having Features Such As Intelligent Start Management, Droop Compensation Supports Multiple Power Sources, Communication Facility, Electrical Protection Relays, Etc.
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