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Contact wear detection method for electronic trip circuit of circuit breakers, involves integrating sensed signals obtained based on current flow in contacts after contact separation
Contact wear detection method for electronic trip circuit of circuit breakers, involves integrating sensed signals obtained based on current flow in contacts after contact separation
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机译:用于断路器的电子脱扣电路的接触磨损检测方法,涉及对基于触点分离后的触点电流的检测信号进行积分
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摘要
The separation of a pair of contacts, in an electronic trip unit is detected. Current through the contacts is sensed and a current signal is output. The detected current signals after separation of the contacts are integrated to obtain wear value. An independent claim is also included for breaker assembly.
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