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《Jiangsu Electrical Engineering》 2009-02
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Development and Application of Device of Injecting-step-voltage Rotor Ground Protection

WANG Guang1,WEN Yong-ping2,CHEN Jun1,YAN Wei1(1.Nanjing NARI-Relays Eletric Co.,Ltd.,Nanjing 211102,China;2.CHINA Guangdong Nuclear Wind Power Company,Huhhot 010020,China)  
This paper analyses the defects of existing rotor ground protection.Based on the new demands of super-huge generator,a new injection rotor ground protection scheme is brought forward,the basic principle and protection criterion are analyzed,and several key techniques of the protection are expatiated.The application of the proposed protection scheme proofs that the new injection rotor ground protection is exact and reliable.
【CateGory Index】: TM862
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