Westinghouse Electric Corporation Two Cylinder Tandem Compound Condensing Reheat Turbine. At rated ...
Used- Westinghouse Electric Corporation Two Cylinder Tandem Compound Condensing Reheat Turbine. At rated speed pf 3600 rpm the unit is designed for 60,000 kW, 0.80 power factory, 75,000 kW maximum rating, when supplied with steam at 1450 psi gauge throttle pressure, 1000 degrees F total temperature with reheat at 1000 degrees F total temperature and 1.0 Hg absolute exhaust pressure. Turbine #: H.P. 5-A7080-1, LP 5A-7081-1, 60,000 kW, 3600 rpm, 36 stages. Generator #: 1-S-35-P-725, 75,000 kva, 3600 rpm, 13,800 volts, 0.5 psig H2 press. Main Exciter: 225 kW, 3600 rpm, 250 volts. Pilot Exciter: 2.5 kW, 3600 rpm, 250 volts. Complete self-contained lubricating oil system is furnished. It consists of an oil reservoir of 3000 gallons capacity with strainer. Based on receiving steam at 1450 psig and 1000 degrees F, total temperature reheating to 1000 degrees F total temperature and exhausting at 29” hg vacuum and with full steam extraction for feedwater heating, the unit is guaranteed to generate 75,000 kW at unity power factor with a steam flow to throttle of 511,500 lb per hour or 6.82 lbs of steam per kilowatt hour. The base rating of the generator is 60,000 kW with 0.5 psig hydrogen, 80% power factor, 75,000 kva, 13,800 volts, wye connected, 3 phase, 60 cycle, 0.90 short circuit ration, 3600 rpm, with class B insulation. The generator is totally enclosed and is cooled by hydrogen which is circulated by blowers mounted on the generator casing. The cooling system is designed for up to 30 psig operating pressure.
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