1786-CTK===1786-CTK

===

欠壓

    欠壓也是我們在使用中經常碰到的問題。主要是因為主回路電壓太低(220V系列低于200V，380V系列低于400V)，主要原因:整流橋某一路損壞或可控硅三路中有工作不正常的都有可能導致欠壓故障的出現，其次主回路接觸器損壞，導致直流母線電壓損耗在充電電阻上面有可能導致欠壓.還有就是電壓檢測電路發生故障而出現欠壓問題。

：張亮（工程師）    專線：
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