Digital fault location for high resistance grounded transmission lines

This paper demonstrates that the presence of multiple load taps cannot be neglected for single-phase-to-ground fault location. A new method has been developed taking this into consideration, that can be applied to correct the location error due to intermediate power sources. Then fault location meth...

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Veröffentlicht in:	IEEE transactions on power delivery 1999-01, Vol.14 (1), p.80-85
Hauptverfasser:	Funabashi, T., Otoguro, H., Mizuma, Y., Kai, T., Takeuchi, N., Akiyama, S., Dube, L., Ametani, A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Circuit properties Connection and protection apparatus Current measurement Digital Digital circuits Disturbances. Regulation. Protection Electric, optical and optoelectronic circuits Electrical engineering. Electrical power engineering Electrical power engineering Electronic circuits Electronics Error correction Exact sciences and technology Fault location High resistance Impedance Position (location) Power measurement Power networks and lines Power sources Power system faults Power transmission lines Terminals Transmission line measurements Transmission lines Voltage
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Beschreibung
Zusammenfassung:	This paper demonstrates that the presence of multiple load taps cannot be neglected for single-phase-to-ground fault location. A new method has been developed taking this into consideration, that can be applied to correct the location error due to intermediate power sources. Then fault location methods for parallel double-circuit two-terminal transmission lines are discussed. Finally, a new fault location method is proposed for high-resistance grounded double-circuit transmission lines with three terminals.
ISSN:	0885-8977 1937-4208
DOI:	10.1109/61.736690