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Approximate Entropy Based Fault Localization and Fault Type Recognition for Non-solidly Earthed Network
2012
Measurement Science Review
For non-solidly earthed network, the fault localization of single phase grounding fault has been a problem. A novel fault localization and fault type recognition method of single phase grounding fault based on approximate entropy is presented. The approximate entropies of transient zero sequence current at both ends of healthy section are approximately equal, and the ratio is close to 1. On the contrary, the approximate entropies at both ends of fault section are different, and the ratio is far
doi:10.2478/v10048-012-0043-4
fatcat:ylm2dbgbbne25gkkcioqmw2hni