NDLI: Protectability evaluation of protective relays based on a probabilistic model

Content Provider	IEEE Xplore Digital Library
Author	Wen-Hao Zhang Seung-Jae Lee Myeon-Song Choi
Copyright Year	2010
Description	Author affiliation: Department of Electrical Engineering, Myongji University, Yongin, Geonggido, 449728 Korea (Wen-Hao Zhang; Seung-Jae Lee; Myeon-Song Choi)
Abstract	This paper provides a novel view for the performance evaluation of protective relays. The paper starts with a Gaussian model for the protective relay setting to describe the effective zone of protection by considering the measurement errors, and introduces the performance index “protectability” for the protective relays. Protectability is defined including the correct trip probability (CTP) and no un-wanted trip probability (NUTP). The CTP and NUTP of different types of relays are analyzed based on their specific features through qualitative analysis, which aims to provide a basic understanding of the relay performance and make a basis for the further quantitative analysis.
Starting Page	1
Ending Page	4
File Size	388383
Page Count	4
File Format	PDF
ISBN	9781424465491
ISSN	19449925
e-ISBN	9781424465514
e-ISBN	9781424483570
DOI	10.1109/PES.2010.5589884
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Circuit faults Protective relaying Probabilistic logic Optical character recognition software Measurement errors Mathematical model Gaussian distribution Protective relay Protectability evaluation
Content Type	Text
Resource Type	Article

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