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Research on a Modified Judgment Method of the Closing Moment for On-line Monitoring System of High Voltage Circuit Breaker

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4 Author(s)
Mei Fei ; Sch. of Electr. Eng., Southeast Univ., Nanjing, China ; Mei Jun ; Zheng Jianyong ; Yang Sainan

High voltage circuit breaker (HVCB) is a sort of important control and protection equipment in the power system. An on-line monitoring system for HVCB is designed and developed to improve the stability and reliability of power system. It can collect and save useful data when HVCB is running, gain electrical and mechanical characteristic parameters and provide effective conclusion of fault diagnoses. Therefore, it is able to provide necessary information for condition-based maintenance. In all parameters, the closing moment is very important and difficult to distinguish. A modified judgment method of the closing moment is proposed and software is designed for on-line monitoring system. This method is proved to be effective and practical through experiments.

Published in:

Computer Distributed Control and Intelligent Environmental Monitoring (CDCIEM), 2012 International Conference on

Date of Conference:

5-6 March 2012