NDLI: Integration of multi-algorithm for single-phase fault detection in distribution system with arc suppression coil grounding using extenics

Content Provider	IEEE Xplore Digital Library
Author	Shu Hong-chun Peng Shi-xin Zhao Xing-bing
Copyright Year	2008
Description	Author affiliation: Kunming Univ. of Sci. & Technol., Kunming (Shu Hong-chun; Peng Shi-xin; Zhao Xing-bing)
Abstract	A new integrated fault line detecting method using extenics is proposed, for existing methods of fault line detection are affected by fault switching angle and electric arc etc., the accuracy of fault line detection is not satisfied. Three factors of matter-element in single-phase fault line detection are confirmed, which are the possible fault line's aggregate and its correlative characteristic aggregate and quantity field with the stated characteristic. The characteristic aggregate includes the decaying direct current component, the D-value of transient energy, the D-value of reactive power and the correlation coefficient. The relation function of extended aggregate is imported, in order to quantificationally calculate the fault degree of each line and confirm the corresponding weight function. Then, the fault line detection is realized. The method integrates four algorithm. It can eliminate not only the effect of the small current of fault line and the unstable grounding electric arc, but also the effect of the capacitance current of the long sound lines when the short line is fault. The method is not affected by the uncertain factors such as the fault switching angle, transition resistance. Large simulations indicate that the fault line detecting method is correct and reliable.
Starting Page	2111
Ending Page	2115
File Size	547379
Page Count	5
File Format	PDF
ISBN	9787900714138
DOI	10.1109/DRPT.2008.4523758
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-04-06
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	DRPT
Subject Keyword	Fault detection Coils Grounding Electrical fault detection Aggregates Resonance Reactive power Transient analysis Voltage Capacitance Corresponding weight function Resonant grounded system Fault line detection Multi-algorithm integration Extenics
Content Type	Text
Resource Type	Article

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