Shaft-current Prevention of Langyashan Pumped Storage Power Station
WU Peizhi(East China Langyashan Pumped Storage Co.Ltd.,Chuzhou 239000,China)
The origin of shaft-current and its damage to generator units are introduced briefly,and prevention measures are proposed.According to the configuration of bearings of the Langyashan Pumped Storage Power Station,the principle of shaft-current prevention devices is analyzed,and some possible shaft-current origins are pointed out,which are helpful to position the faults.
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