Ministry Of Mines

Ministry Of Mines has published Bids Are Invited For 521 Kw, 3Ph, Squirrel Cage Induction Motor Suitable For 6.6 Kv ( + / - ) 10%, 3 Phases, 50 Hz ( + / - ) 5 %, Combined Variation 10 % ( Absolute Sum ) , System Fault Level ( Ka ) : 50Ka For 1 Sec, System Earthing: Resistance Earthingkw: 521 Kw, 4 Poles, Frame Size: Equivalent To Dc400u800 Of Marathonfull Load Current: 58 Amp ( Approx ) , Rated Speed: 1450Rpm ( Approx ) , Ins.Class / With Rise Of Temp:F / B, Duty Cycle: S1, Protection: Ip55, Power Factor: 0.87 ( Approx ) Energy Efficiency: Efficiency Should Be More Than 95% Both At 100% And 75% Load. ( Test Certificates To Be Given As Evidence ) Shaft Diameter: 100Mm, Mounting Type: B3, Enclosure: Closed Air Circuit Air Cooled ( Caca ) , External And Internal Fan Should Be Shaft Mounted.Greasing Provision Required At Driving & Non Driving Ends Of Bearings. Last date of submission for this tender is 2023-05-15. This is a Electrification Work tender in Bhubaneswar, Odisha