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《AUTOMATION OF ELECTRIC POWER SYSTEMS》 1999-14
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PERFORMANCES OF LFP-901A AND LFP-902A DIGITAL PROTECTION RELAYS IN SOME SPECIAL FAULTS

Shen Guorong,Zheng Yuping,Dai Xuean(Nanjing Automation Research Institute,210003,Nanjing,China)Peng Huanong(Fuyang Electric Power Bureau,236033,Fu yang,China)  
This paper describes the performances of LFP-901A and LFP-902A digital protection relays in some special faults encountered in the field,such as faults in the lock-off period during oscillation,high resistance ground faults,phase selection at the receiving end for the line supplied from one end,etc.They verify that LFP-901A and LFP-902A can trip correctly and rapidly in such situations.
【CateGory Index】: TM773
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