期刊
IEEE TRANSACTIONS ON POWER DELIVERY
卷 16, 期 2, 页码 346-351出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/61.915506
关键词
adaptive filtering; fault location; low voltage distribution network; time domain reflectometry
This paper describes an automatic fault location technique for permanent faults in Underground Low Voltage Distribution Networks (ULVDNs). It uses signals from an existing Time Domain Reflectometry (TDR) instrument. It pre-processes TDR signals to eliminate reflections due to single-phase tee-offs, and to locate 3-phase open or short circuit faults and also uses adaptive filtering to compare the TDR signals to locate faults. In essence, the procedure minimizes the interpretation skill required from a user of a typical TDR based fault location instrument. The relative performance of the system is demonstrated using real field data.
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