Distance relay performance as affected by capacitor voltage transformers
作者:
M.A.Hughes,
期刊:
Proceedings of the Institution of Electrical Engineers
(IET Available online 1974)
卷期:
Volume 121,
issue 12
页码: 1557-1566
年代: 1974
DOI:10.1049/piee.1974.0321
出版商: IEE
数据来源: IET
摘要:
A 3-phase capacitor-voltage-transformer simulation is described which, when used in conjunction with a conventional artificial transmission line, allows complete relaying schemes to be tested. The accuracy of the simulation is confirmed by comparison of its response with that of a full-scale capacitor voltage transformer. Conjunctive distance-relay/capacitor-voltage-transformer tests are reported showing that transient errors degrade relay performance in speed and stability. Various methods for providing a more faithful voltage signal to supply the relay circuits are discussed.
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