Z. Wu, X. Yang, Y. Weng, and G. Yi (PRC)
Power distribution networks, Fault location, Transfer function.
A transfer function algorithm is proposed for locating line-to-ground faults on power distribution networks. This paper applies transfer function theory to the location of ground faults on power distribution networks. Transfer function equations are given for single-phase and three-phase distribution lines, with criteria for locating ground faults. Computer simulation shows that the criteria, which are based on the frequency, phase and shape characteristics of the transfer function spectrum, effectively locate faults in distribution networks. Since it is valid for power distribution networks with offset lines, and immune to load changes and its parameters can be easily measured, the fault location algorithm can be widely applied to pave distribution networks.
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