SITC of 400 KVA Transformer at Dheeraj Dham

Amount

Supply, installaton, testing & commissioning of 11000 / 433 volts,50Hz, 400 KVA copper wound, Oil cooled (ONAN), ON LOAD TAP CHANGER, Outdoor type, step-down transformer as per IS 1180, Level 2, with AVR, RTCC Panel Tappings provided on HV shall be in variation of +10 to -10% in steps of 1.25% as per Specifications, Technical Data sheet & Standards & IS. The Transformer should have Cable end Boxes on H.T. side Suitable for 3 Core, 240 Sq.mm. XLPE cable on L.T. side suitable for Busduct as per requirement. Winding Temperature Indicator with alarm, marshalling box and trip contact, WTI Alarm & Trip Contact for DCS purpose on TB with relay.Transformer shall be tested from CTL of discom before charging of transformer & complete installaion must be certified from Electrical Inspectorate office as per Indian Electricity rule, (CTL testing charges and Electrical Inspection charges shall be reimbursed by the department to the contractor)Following tests shall be carried out on each transformer at site by OEM enginer in presence of department authorised representative:- a) Ratio test on each tapping.b) Resistance of windings at principal and all tapings.c) Insulation resistance of the winding between HV to earth / HV to LV / LV to earth.d) Vector group test.e) Magnetic Balance test. All as per pre approved by Engineer in charge. For additional technical parameters of products/ work 400 KVA with % Impedance 4.5

Supply, installation,testing and commissioning of indoor 2 WAY, 11KV PANEL as per SLD, Specification, Technical Data sheet,IS & make list. Supply, installaton, testing & commissioning of 11KV breaker panel as per Specifications, Technical Data sheet, Standards & Make list with metering unit, comprissing of following: VCB : 2 Nos. (1No. of I/C and 1 Nos. of O/G), 11KV, 3 phase, 50Hz, 1 No. 630A, 21 KA, VCB, motor operated spring charge mechanism. Breaker shall be horizontal draw out type. Basic insulation level 28kV power frequency withstand 75kVp lightening impulse, with closing & tripping coil, auxiliary contact - 4NO + 4NC, mechanical ON / OFF indicator & push button, with mechanical antipumping feature & power pack unit. Main busbar - 11Kv, 3phase, 3W, 50Hz, 630A, Al busbar, 21KA for 3 second. Incomer side CT - 1-phase, epoxy cast resin type, CT ratio of 300/5+5A, BIL:28RMS/75kVp. ( panel builder check CT ration as per standard requirement ) core-1: 15VA, CL-1.0, for metering & core-2: 15VA, CL-5P10 for protection. Outgoing Side CT - 1-phase, epoxy cast resin type, CT ratio of 150/5+5A BIL:28RMS/75kVp. ( panel builder check CT ratio as per standard requirement ) core-1: 15VA, CL-1.0, for metering & core-2: 15VA, CL-5P10 for protection. Digital Multifunction Meter, CL-1.0 Indication Lamps & protection relays - R,Y,B phase Indications, VCB On and OFF, breaker control switch, Autotrip/trip circuit healthy/ test/ service, spring charge, motor spring charge, Annunciator, Emergency stop push button, space heater, thermostate and panel illumination, 12 window annunciator, door limit switch for test and service position, BMS compatible. Protection & Measuring CT ratio change as per transformer sizing shall be calculated by ht panel vendor before finalization. Protection relays as 50, 50N, 51, 51N, 94 , 86, 27 , 59, 64R. Panel shall be as per SLD and technical specifications.

Bidder Name

Amount

AQUA GASEOUS CONTROLS (INDIA) (GSTN-NA) BID ID -3220674