Accurate Location of Faults in Transmission Lines by Compensating for the Electrical Distance

Xue Xue, Menghan Cheng, Tianyu Hou, Guanhua Wang, Nan Peng and Rui Liang
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Xue Xue: School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
Menghan Cheng: School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
Tianyu Hou: School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
Guanhua Wang: School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
Nan Peng: School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
Rui Liang: School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China

Energies, 2020, vol. 13, issue 3, 1-11

Abstract: Accurately locating faults is quite important, especially when the geographical environment is complicated. If the exact location of the fault is not given, wrong route would be chosen, which will greatly slow down repair. This paper proposes an improved traveling wave method by compensating the electrical distance of transmission lines. The catenary model is constructed that considers parameters of the tower and the actual temperature. The actual line length is also derived by the catenary model. A 500 kV transmission line model is established by PSCAD/EMTDC. Various fault simulations are conducted and the results demonstrate that the presented method effectively reduces the error ratio of faulty segment positioning and locates faults with high accuracy.

Keywords: geometric mode; electrical distance compensation; traveling wave; fault location (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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