NDLI: DSP-Based Adaptive High impedance Ground Fault Subtransmission Feeder Protection

Content Provider	IEEE Xplore Digital Library
Author	Allen, G. Lin Wang Mander, T. Cheung, R.
Copyright Year	2006
Description	Author affiliation: Teesside Univ. (Allen, G.)
Abstract	This paper presents a new, adaptive strategy for substation feeder protection implemented with state-of-the-art digital signal processing technology. This feeder protection adapts its trip settings to provide improved selectivity and speed of fault detections for varying power system configurations and loadings. This protection accurately senses and de-energizes downed conductors that often could not be detected by conventional non-adaptive feeder protections. Several people are killed every year by contacting with live downed conductors. This adaptive protection is designed to significantly reduce this potentially fatal condition. This paper presents the design of this adaptive feeder protection. Several power system faults were simulated under varying load and system conditions. The results are analyzed to verify the design, to determine the improvement over a conventional static protection, and to verify the correct protection operation. Field tests were conducted in Runnymede Transformer Station in Ontario to validate this adaptive feeder protection
Starting Page	95
Ending Page	99
File Size	6865174
Page Count	5
File Format	PDF
ISBN	1424405564
DOI	10.1109/LESCPE.2006.280368
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-07-26
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Impedance Power system protection Substation protection Conductors Power system faults Fault currents Digital signal processing Paper technology Electrical fault detection Fuses Substation measurements Adaptive systems Signal processing
Content Type	Text
Resource Type	Article

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