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《Hydropower Automation and Dam Monitoring》 2009-01
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The Influence of the Pump Storage Unit State on Generator and Transformer Protection and Engineering Solution

ZHENG Xiaogang1,REN Gang2(1.East China Tianhuangping Pumped Storage Power Co.Ltd.,Anji 313302,China;2.Hebei Zhanghewan Pumped Storage Co.Ltd.,Jingxing 050300,China)  
The pump storage unit has the characteristics of multiple operation modes and reversible running,so the influence of the changes of unit state on the arrangement and operation of the G/T protection should be considered.Combined with the actual operation characteristics of the ELIN's DRS system and SIEMENS' SIPROTEC-4 system,this paper introduces the solutions and development of both corporations in unit state judgement and processing,which can be used as reference for pumped storage unit design,adjustment,operation and technical transformation.
【CateGory Index】: TV743
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