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In this paper, a novel distance protection algorithm for longdistance transmission lines is introduced to cater for the problems of the influence caused by distributed capacitance in the long-distance transmission lines and the low fault resistance tolerance by traditional distance relays. To tackle the problem caused by the distributed capacitance in the transmission line, the observing point is...
This paper proposes a novel transmission line protection scheme based on frequency-domain model identification method with distributed parameter. Integrated impedance is defined by voltages and currents of two end terminals of transmission line. By analyzing the frequency-domain expressions of integrated impedance in internal and external fault states, the amplitude-frequency characteristics of the...
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