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Odisha Hydro Power Corporation Ltd.

A Gold rated State PSU( A Govt. of Odisha Undertaking )

Powering Green Energy
Sh Hemant Sharma, IAS
Commissioner-cum- Secretary to Govt.,
Deptt of Energy, Chairman-cum-Managing Director,
OHPC Ltd.

Upper Kolab (Generator)


PIC OF REPAIR OF GENERATOR
TRANSFORMER (102 MVA)

(a) Make : M/s Bharat Heavy Electricals Limited, Ranipur, Haradwar.

(b) Type : Suspension

(c) Power : 88900 KVA / 80000 KW + 15% Continuous over load

(d) Voltage : 11,000 Volt.

(e) Current : 4665 Amps.

(f) Power factor : 0.9 Lag

(g) Frequency : 50 C/S.

(h) Rated Speed : 428.6 rpm,(Run away speed - 750 rpm)

(i) Direction of Rotation : Clock Wise (as seen from PMG end)

(j) Fly Wheel Effect GD2 : 1300 TM2

(k) No. of Pole : 14

(l) Weight of each generator : 360 Ton. PIC OF REPAIR OF GENERATOR TRANSFORMER (102 MVA)

(m) Thrust bearing : Pivoted - pad type, hydraulic thrust 320 T, Qty. Of water for air cooler - 1500 Lts/Min,Outer dia - 1650 mm, Inner dia - 750 mm, Qty. Of oil - 3000 lits

(n) Bottom Guide Bearing : Pivoted pad type, Pad size 250x300 mm, No. of pads - 8; Qty. Of Cooling Water for Oil Cooler- 270 lits/min.Qty. Of oil - 750 lits.

(o) Top Guide Bearing : Pivoted pad, pad size 250x300mm.No. of pads - 8. Qty. Of Oil 850 lits/min.Qty. of cooling water for oil cooler - 240 lits/min.