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本文对CRH2型动车组VCB(真空断路器)的控制电路进行了分析,在此基础上结合运用实际,总结了CVB常见故障原因的判断思路,提出处理方法。对相关人员快速有效的处理CRH2型动车组VCB故障有一定的指导意义。
In this paper, the control circuit of VCB (vacuum circuit breaker) of CRH2 EMU is analyzed. Based on the above, the judgment of common causes of CVB is summarized and the treatment method is put forward. The relevant personnel quickly and effectively deal with CRH2 type EMU VCB failure has some guidance.