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Assessing the Sensitivity of Relay Protection
An assessment of sensitivity of the measuring elements of relay protection was performed. Based on simple examples of the generator-transformer unit protection from symmetrical short circuits, it was shown that the sensitivity factor is not a sufficiently objective measure of sensitivity of the relay protection. It was suggested to use a more objective measure, which is a characteristic of sensitivity to transient resistance at the fault location (dependence of the transient resistance, at which the protection stops tripping, on the fault location).
Assessing the Sensitivity of Relay Protection
An assessment of sensitivity of the measuring elements of relay protection was performed. Based on simple examples of the generator-transformer unit protection from symmetrical short circuits, it was shown that the sensitivity factor is not a sufficiently objective measure of sensitivity of the relay protection. It was suggested to use a more objective measure, which is a characteristic of sensitivity to transient resistance at the fault location (dependence of the transient resistance, at which the protection stops tripping, on the fault location).
Assessing the Sensitivity of Relay Protection
Romanov, Yu. V. (author) / Voronov, P. I. (author)
Power Technology and Engineering ; 51 ; 728-731
2018-03-01
4 pages
Article (Journal)
Electronic Resource
English
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