NDLI: Reliability assessment of protective relays utilizing the GO method

Content Provider	IEEE Xplore Digital Library
Author	Chao Wang Jihong Li Yutao Qiu Weizhen Sun Xiang Zheng
Copyright Year	2010
Description	Author affiliation: Zhejiang Electric Power Dispatch and Communication Center, Hangzhou, 310007 China (Chao Wang; Jihong Li; Yutao Qiu; Weizhen Sun) \|\| Department of Electrical Engineering, Zhejiang University, Hangzhou 310027 China (Xiang Zheng)
Abstract	A reliability assessment method, called the GO method, is introduced to the field of protective relay system reliability assessment. And the protective relay system of the 500kV power grid of Zhejiang Province of China is taken as an example. The research result shows that we can analyze the system quantitatively and accurately based on the traditional GO method. However, when the system contains shared signals, the traditional GO method will become very complicated. Based on the traditional method, a modified GO method is proposed to solve the disadvantages of the conventional GO method. In addition, the fault tree analysis method is used to analyze the same system, and the analysis results are completely in accordance with the modified GO method. In the end, the three methods are compared and the comparison shows that the modified GO method has superior performance over the traditional GO method and the fault tree analysis method. We hope that we can contribute to the application of the modified GO method to the power system field via the work of this paper.
Starting Page	1
Ending Page	8
File Size	721638
Page Count	8
File Format	PDF
ISBN	9781424465491
ISSN	19449925
e-ISBN	9781424465514
e-ISBN	9781424483570
DOI	10.1109/PES.2010.5589358
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	Reliability Relays Probability Power system reliability Mathematical model Equations Fault trees fault tree analysis GO method protective relays reliability GO figure operator signal flow
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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