A Study on Advanced Fault Locating for Short Fault of a Double Circuit Transmission Line

병행 2회선 송전선로의 선간단락시 고장점 표정의 개선에 관한 연구

  • Received : 2015.08.31
  • Accepted : 2015.11.24
  • Published : 2016.01.31


Fault locating is an important element to minimize the damage of power system. The computation error of fault locator may occur by the influence of the DC offset component during phasor extraction. In order to minimize the bad effects of DC offset component, this paper presents an improved fault location algorithm based on a DC offset removal filter for short fault in a double circuit transmission line. We have modeled a 154kV double circuit transmission line by the ATP software to demonstrate the effectiveness of the proposed fault locating algorithm. The line to line short faults were simulated and then collected simulation data was used. It can be seen that the error rate of fault locating estimation by the proposed algorithm decreases than the error rate of fault locating estimation by conventional algorithm.


Supported by : 학연공동기업부설연구소


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