EHV Protection Problems
- 1 May 1981
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Power Apparatus and Systems
- Vol. PAS-100 (5), 2399-2406
- https://doi.org/10.1109/tpas.1981.316761
Abstract
This paper presents a broad overview of system considerations affecting protective relaying applications on extra-high voltage (EHV) systems. Discussions include the effects of line parameters on relaying, transient response of current transformers and coupling capacitor voltage transformers, control circuit and relay surge protection, sub-synchronous resonance problems, stability considerations, influence of harmonics and power line noise on carrier relaying, automatic reclosing considerations and simulation of transmission line transients for relay applications.Keywords
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