PROVN OF 200 KVA TRANSFORMER, 11 KV UG CABLE AND CONNECTED ITEMS FOR CHETWODE AREA AT IMA DEHRADUN

Supply, Installation, Testing and Commissioning of Oil Cooled, Copper wound, Step down down "BIS marked as per Job Electrical transformers (Quality Control) order, 2014 issued by ministry of Heavy Industries and Public Enterprises & BEE star labelled as per DT notification issued by ministry of power" transformer of capacity 200 KVA plinth mounted outdoor type with latest feature complete with standard fitted HT 11 KV 3 phase, LT 433V 3phase 4 wire, 50 C/S oil immerse, naturally cooled (ONAN) externally cooling tube delta connection on primary HT 11 KV side and star connection on secondary LT 433V with tapping at +/-2.5 %to +/-5% & +1-7.5% on HV side and to be changed by means of hand operated off load tap changing gear including first filling of new transformer oil as per IS:335 (mineral oil) of dilectric strength not less than 55 KV with all fitting and accessories such as LT box with cable gland, HT box with cable gland, Silica gel, breather, Oil level indicator gauge, drain out valve (oil tank), exhaust vent, air release valve, temp gauge, cast iron wheel etc. comply with EEL-3 IS 1180 (Part-1)-2014with amendment no. 4 having total losses @ 50% load 603 W& total losses @ 100% load 1911 W. Including following items/ Accessories.

Name, rating & diagram plate

Off circuit tap changing switch

Earthing terminals

Lifting lugs

Oil filter valve with plug

Conservator with oil filling hole

Thermometer pocket

Air release plug

Silicagel breather