NDLI: RETEX (RElay Testing EXpert): an expert system for analysis of relay testing data

Content Provider	IEEE Xplore Digital Library
Author	Sun, Y. Liu, C.-C. Christie, R.D. Nordstrom, J. Hofmann, M. Stemler, G. Thurein, I.
Copyright Year	1991
Description	Author affiliation: Washington Univ., Seattle, WA, USA (Sun, Y.; Liu, C.-C.; Christie, R.D.)
Abstract	A new expert system application to power system protective relay evaluation testing, a crucial but time-consuming engineering task, is presented. An expert system called RETEX (relay testing expert) has been developed as a computer aid for analysis of relay testing data. A knowledge base for relay testing data analysis has been developed. A relay logic model is used to determine the expected relay operation for simulated faults. Hierarchical test reports and comparison reports can be automatically generated by RETEX, which is designed with basic language processing capabilities. The generality necessary for handling various relay models is provided by a description file approach. The expert system is implemented in a rule-based and object-oriented architecture with the expert system development tool NEXPERT Object. The feasibility of the prototype has been demonstrated with Bonneville Power Administration (BPA) relay testing data.
Starting Page	376
Ending Page	384
File Size	728185
Page Count	9
File Format	PDF
ISBN	0780302192
DOI	10.1109/TDC.1991.169534
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1991-09-22
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays System testing Expert systems Power system relaying Protective relaying Power system modeling Object oriented modeling Power system analysis computing Power system protection Application software
Content Type	Text
Resource Type	Article

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