A digital computer system for EHV substations: Analysis and field tests

This paper describes the research and development work being done at the AEP Service Corp. on digital computer applications in EHV substations. Relaying of transmission lines and other power system equipment, station alarm monitoring and data logging, oscillography, and supervisory control functions...

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Bibliographic Details
Published inIEEE transactions on power apparatus and systems Vol. 95; no. 1; pp. 291 - 301
Main Authors Phadke, A.G., Hlibka, T., Ibrahim, M.
Format Journal Article
LanguageEnglish
Published IEEE 01.01.1976
Subjects
Computer applications
Digital relays
Power system analysis computing
Power system modeling
Power system relaying
Power system simulation
Power transmission lines
Research and development
Substations
System testing
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Summary:This paper describes the research and development work being done at the AEP Service Corp. on digital computer applications in EHV substations. Relaying of transmission lines and other power system equipment, station alarm monitoring and data logging, oscillography, and supervisory control functions are considered for possible computer implementation. A new algorithm for computing the impedance as seen from the terminals of a faulted transmission line is presented. Results obtained with the new algorithm for faults simulated with a model transmission line are included in the paper. Field experience obtained from operating a minicomputer in an EHV substation is also described.
ISSN:0018-9510
2995-6323
DOI:10.1109/T-PAS.1976.32105