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主断路器是应用于电力机车和动车组主电路接通和断开的高压电器,本文对应用于CRH5型动车组的主断路器在使用过程中不能闭合的现象,分析并总结了其故障原因及相应的处理措施。
The main circuit breaker is a high-voltage electrical appliance applied to the turning on and off of the main circuit of the electric locomotive and the EMU. In this paper, the main circuit breaker used in the CRH5 type of EMU can not be closed during use, and the cause of the malfunction is analyzed and summarized And the corresponding treatment measures.