Research and Application of Continuous Monitoring System for Mobile Circuit Breaker Switching Coil Current
The current signal of the switching-closing coil is one of the important parameters for the healthy opera-tion of the switching-closing coil.By comparing and analyzing the waveform changes detected after the operation and the historical data,the potential faults of the secondary components and mechanical parts related to the action can be quickly diagnosed.The proposed mobile circuit breaker continuous current monitoring system is efficient and convenient,and has been applied in many substations in Shanghai.It also helps diagnose the latent defects of circuit breakers,and provides an effective technical means for realizing the condition maintenance of circuit break-ers.
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