Convolution Power Ratio Based on Single-Ended Protection Scheme for HVDC Transmission Lines
Guangqiang Peng,
Lixin Chen,
Jiyang Wu
et al.
Abstract:In order to solve the problems of insufficient abilities to withstand transition resistance under remote faults and difficulties in identifying internal and external faults for HVDC transmission line protection, a new single-ended protection scheme based on time-domain convolutional power was proposed. In this scheme, the ratio of time-domain convolution power at different frequencies is used to detect internal and external faults, and the long window convolution power is used to form the pole selection criter… Show more
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