Tender For supply installation and commissioning of nitrogeninjectionsystem and fire protection system of 01 no 3point 15 mva 33kvor3point3 kv transformer installed at 33 kv substation under chitra colliery sp mines area
Tender For supplying of 33/6.6 kv, 6.3 mva, 3 phase, 50 hz, oil immersed c cooling, oltc, outdoor type, copper wound transformer of with connection on hv side & star connection on lv side with r effectively earthed (vector group-dyn11), with on load tapping hv winding for hv variation from +5% to 15% in 16 equal 7.15% impedance, continuously rated for full load with first filling and standard accessories including suitable cable box at lv si transformer for termination of xlpe cables etc. complete with certificate with load losses of 33kw (max) and no load losses kw (max) at 75 deg celsius (as per given in cbip manual) & effic not less than 99.50% at full load. polyamide material for bushing and supplying of 33/11 kv, 10 mva, 3 phase, 50 hz, oil immersed onan cooling, oltc, outdoor type, copper wound transformer of with delta connection on hv side & star connection on lv side with neutral effectively earthed (vector group-dyn11), with on load tapping's on hv winding for hv variation from +5% to 15% in 16 equal steps, 8.35% impedance, continuously rated for full load with first filling of oil and standard accessories including suitable cable box at lv side of transformer for termination of xlpe cables etc. complete with test certificate with load losses of 53kw (max) and no load losses of 7.2 kw (max) at 75 deg celsius (as per given in cbip manual) & efficiency not less than 99.50% at full load. polyamide material for bushing with certified nitrogeninjectionsystem with sump pit, nitrogen cylinders pipeline (as per cea guidelines 2021 nitrogeninjection fire prevention and extinguishing system)
12 Mar, 2026
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