Residual current circuit breaker
A technology of residual current and circuit breaker, applied in the field of residual current circuit breaker, can solve problems such as cost increase, and achieve the effect of improving the efficiency of commutation, improving real-time performance, and ensuring reliable operation
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[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0017] Such as figure 1 The residual current circuit breaker shown includes an analog quantity acquisition module, a microprocessor and a protection module, the microprocessor is connected to the information acquisition module for sampling, and the control is connected to the protection module. Wherein, the protection module is the tripping circuit of the circuit breaker. The circuit breaker also includes a phase change device and a three-phase balance module, the three-phase balance module is a wireless communication module, and the microprocessor communicates with the phase change device through the wireless communication module. Through the wireless communication module, remote data transmission and communication of control information can be realized. The circuit breaker is usually installed on the distribution line on the low-voltage side of the distri...
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