NDLI: A new principle of faulty feeder detection for non-effectively earthed network using dominant transient frequency current

Content Provider	IEEE Xplore Digital Library
Author	Xinhui Zhang Bingyin Xu Peiyu Wei
Copyright Year	2009
Description	Author affiliation: School of Electrical & Electronic Engineering, Shandong University of Technology, Zibo 255049, Shandong Province, China (Xinhui Zhang; Bingyin Xu; Peiyu Wei)
Abstract	The fact of a dominant resonance frequency existed in the transient process of short-circuit fault is discovered by analyzing transient characteristics of singlephase earthed fault. At this frequency, the magnitude of zero modal current in faulty feeder is much larger than that in healthy feeder, and their phase is approximately opposite. Dominant transient frequency(DTF) zero modal current in faulty feeder is 90° lagging behind zero modal voltage of bus bar, while for healthy feeder it is 90° leading zero modal voltage of bus bar. A novel detection principle based on Prony algorithm is presented in the paper, which determines the faulty feeder by comparing the magnitude of DTF current of faulty feeder and healthy feeder. It is verified by ATP simulation data and field measured fault data respectively.
Starting Page	1
Ending Page	4
File Size	252882
Page Count	4
File Format	PDF
ISBN	9781424449347
DOI	10.1109/SUPERGEN.2009.5348305
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-04-06
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Non-effectively earthed network ATP simulation Power system transients Electrical fault detection Faulty feeder detection Circuit faults DTF current Single-phase earthed fault Prony fitting Fault detection Prony algorithm Voltage Transient signal Signal processing Frequency Power system reliability Transient analysis Signal analysis Dominant transient frequency (DTF)
Content Type	Text
Resource Type	Article

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