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A New fault Location Algorithm for 765㎸ Untransposed Parallel Transmission Lines  

안용진 (유호전기공업(주))
강상희 (명지대 공대 전기공학과)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers A / v.53, no.3, 2004 , pp. 168-174 More about this Journal
Abstract
This paper describes a new fault location algorithm based on the voltage equation at the relaying point using 6-phase current for untransposed 765㎸ parallel transmission lines. The proposed method uses the voltage and current collected at only the local end. By means of 3-phase circuit analysis theory to compensate the mutual coupling effects between parallel lines, the fault location is derived. The fault distance is determined by solving the 2nd distance equation based on KVL(Kirchhoff's Voltage Law). Extensive simulation results using EMTP(Electromagnatic Transients Program) have verified that the error of the fault location achieved is up to 4.56(%) in untransposed parallel transmission lines.
Keywords
Fault location; Untransposed transmission lines; Mutual coupling effect; Distance equation;
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Times Cited By KSCI : 1  (Citation Analysis)
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