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COOLING SYSTEM OF GENERATOR BEARING FOR WATER POWER STATION
COOLING SYSTEM OF GENERATOR BEARING FOR WATER POWER STATION
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机译:水电站发电机轴承冷却系统
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摘要
PROBLEM TO BE SOLVED: To provide a cooling system of the generator bearing for water power station that is easy to maintain and has high reliability.;SOLUTION: A cooling system 20 of the generator bearing for a water power station comprises a circulation path 11 which supplies a cooling water, or a clean water, to a turbine bearing cooling part 3 through circulation; a water heat exchanger 12 provided in the middle of the circulation path; water pumps 5 and 6 for circulating the cooling water in the circulation path 11; a cushion tank 2 interposed in the middle part of the circulation path 11; a cooling water cooler 1, comprising a coolant heat exchanger that cools the water heat exchanger 12; temperature sensors 7-10 for sensing the temperature of the cooling water that circulates the circulation path 11; and a control device 13 for controlling the operation of the water pumps 5 and 6 and the cooling water cooler 1, based on the temperature of the cooling water detected by the temperature sensors 7-10.;COPYRIGHT: (C)2008,JPO&INPIT
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