期刊
IEEE TRANSACTIONS ON POWER DELIVERY
卷 27, 期 3, 页码 1583-1591出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRD.2012.2190528
关键词
Fault analysis; fault classification; HVDC line protection; symmetrical component; traveling wave
资金
- National Natural Science Foundation Committee of China [51177066]
Explicit fault analysis is the basis of protection for the bipolar HVDC Line. The characteristics of the initial values of traveling waves under various internal fault conditions are investigated on the basis of the symmetrical component analysis. The criteria of fault classification and faulty-pole selection are put forward based on the zero-and positive-sequence backward traveling waves, and an integrated traveling wave-based protection scheme is proposed. The simulations based on real-time digital simulation show that the proposed scheme can detect faults rapidly, determine the fault type effectively, and select the faulty pole correctly.
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