Abstract
Accurate fault location is significant to the city metro catenary fault investigation process. A theoretical analysis of the fault location method based on impedance calculation has been performed, using the voltage and current quantities from both end of the line, and the error sources were thoroughly studied. However, in practice the double-terminal electrical quantities used in the calculation may not be synchronous to one another, due to the different protection operating times at either ends of the fault. Another new location algorithm was proposed, which uses genetic algorithm to solve the problem. The simulation results show that the proposed new method has improved location accuracy.
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Acknowledgments
This work is supported by Beijing Jiaotong University and ALSTOM collaborative research project: Study on IEC61850 in DC Railway Traction Systems with an Aim to Develop New Protection Devices.
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Song, X., He, J., Yip, T., Kirby, B., Yang, X. (2014). Research of Fault Location Method for Metro Traction Power Supply System. In: Jia, L., Liu, Z., Qin, Y., Zhao, M., Diao, L. (eds) Proceedings of the 2013 International Conference on Electrical and Information Technologies for Rail Transportation (EITRT2013)-Volume II. Lecture Notes in Electrical Engineering, vol 288. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-53751-6_14
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DOI: https://doi.org/10.1007/978-3-642-53751-6_14
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