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Electrical Industry, Transfomers, Transformer Supply-Bihar

Indian Railway has published Electrical Industry, Transfomers, Transformer Supply. Submission Date for this Tender is 25-09-2018. Transformer Supply Tenders in Bihar. Bidders can get complete Tender details and download the document.




Tender Notice

17455101
Electrical Industry, Transfomers, Transformer Supply
Tender
Indian
Bihar
25-09-2018

Tender Details

Tender For Supply of 250 KVA transformer outdoor type 11/0.433 KV, 3 phase 50 cycles ONAN cooled,delta/star [Dyn11 group] insulation level HV28/75/KV/Kvp, LV/3/KV/Kvp, off circuit tap changer, range plus 5% tominus 5% in steps of 2.5%, tapping provided on HV rated current [line current] HV 13.12A, LV 333.35A, temp. risetop oil/ 50 degree C, winding /55 degree C, ambient temp./ 50 degree C, weights [approx.] core & windings withclamps 524 kg, tank & fitting 348 kg, oil- 285 [242 kg], total weight- 1114 kg, dimension of transformer: L-1500mm, B-1265 mm, H-1525mm. current density: HV- 3.0 to 3.5 A/sqmm, LV -3.0 to 3.5A/sqmm, flux density atprinciple voltage and normal frequency -1.7[Max] tesla, copper double wound transformer complete with first fill oftransformer oil and with standard fittings [CPRI type tested]. Tests: Routine test: Ratio test, polarity, phase angleerror measurement, BDV of oil, I.R values, polarization index, dielectric discharge, winding resistance, opencircuit test, short circuit & impedance test, separate source voltage test, Induced over voltage test, magneticbalance test, vector group test, zero sequence impedance test, tan delta & capacitance of transformer IS:2026.The bidder shall furnish of latest type test report as per IS from CPRI/ NABL accredited lab at the time ofinspection..

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