故障现象:行电路不工作 分析征收检修:该机的故障现象看像“行不起振”查+B、行扫描小信号处理供电基本正常,怀疑为行逆程脉冲取样电路故障导致的行保护,查相关电路器件,发现C706/221 2KV失效,更换之,故障排除。 |
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