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Fault Location Algorithm with Ground Capacitance Compensation for Long Parallel Transmission Line  

Park, Chul-Won (원주대 전기과)
Kim, Sam-Ryong (바울소프트 기술연구소)
Shin, Myong-Chul (성균관대 정보통신공학부)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers P / v.54, no.4, 2005 , pp. 163-170 More about this Journal
Abstract
This paper deals with an improved fault location algorithm with compensation ground capacitance through distributed parameter for a long parallel T/L. For the purpose of fault locating algorithm non-influenced by source impedance and fault resistance, the loop method was used in the system modeling analysis. This algorithm uses a positive and negative sequence of the fault current for high accuracy of fault locating calculation. Power system model of 160km and 300km long parallel T/L was simulated using EMTP software. To evaluate of the proposed algorithm, we used the several different cases 64 sampled data per cycle. The test results show that the proposed algorithm was minimized the error factor and speed of fault location estimation.
Keywords
Compensation ground capacitance; EMTP; Fault location; Long parallel transmission line;
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