NDLI: Single-phase-to-ground fault feeder detection based on transient current and wavelet packet

Content Provider	IEEE Xplore Digital Library
Author	Yanqiu Bi Jianguo Zhao Dahai Zhang
Copyright Year	2004
Description	Author affiliation: Sch. of Electr. Eng., Shandong Univ., Jinan, China (Yanqiu Bi; Jianguo Zhao; Dahai Zhang)
Abstract	Single-phase-to-ground fault is the most frequently occurred short-circuit fault in distribution network, and it is urgent to develop new methods to detect fault feeder correctly. The paper compares the fault-feeder selection theories using transient signals with those of using steady signals, and the application of transient signal is emphasized. By analyzing the characteristics of the Peterson-coil-grounded system, the paper proposes a novel algorithm to select fault feeder based on the transient signals and wavelet packet. It records the post-fault transient zero-sequence current of each feeder, and wavelet packet is used to extract the supply fundamental frequency and high frequency components. Finally the current and its components are used to detect fault feeder. This method is accurate and adaptive for the Peterson-coil-grounded system. Case study validates the effectiveness of the new algorithm for various fault modes in neural ineffectively grounded systems.
Starting Page	936
Ending Page	940
File Size	837092
Page Count	5
File Format	PDF
ISBN	0780386108
DOI	10.1109/ICPST.2004.1460128
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-11-21
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault detection Wavelet packets Power system transients Fault currents Frequency Current measurement Transient analysis Wavelet analysis Electrical fault detection Capacitors
Content Type	Text
Resource Type	Article

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