Article ID Journal Published Year Pages File Type
705859 Electric Power Systems Research 2016 6 Pages PDF
Abstract

The reliability of an electrical power system is influenced by the operation of circuit-breaker (CB). A good indicator of circuit-breaker condition is its switching time. Based on it some of the critical circuit-breaker irregularities can be detected and removed before they develop to a failure. In this paper, the evaluation of time measurements (timings) in case of different failures will be carried out for two circuit-breaker solutions, i.e. with spring and hydraulic drive. Moreover, the relationships between switching time and failure type/location will be derived. Thereby, the influence of failure trend will also be taken into account.

Related Topics
Physical Sciences and Engineering Energy Energy Engineering and Power Technology
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