分析新电公司302号机组打闸拒动的原因，介绍处理这一故障所采取的对策及效果。
Analysis the cause of No. 302 unit shut down valve miss operation. Introduce the measures used to fix the fault and effect.
分析了动车组侧门故障产生的原因，提出了相应的处理对策。
The causes to troubles in side doors are analyzed, and the corresponding counter measures for disposition are put forward.
从理论上分析配电线路出口故障时，电流速断和定时过电流保护拒动的原因，从而阐明电流互感器的响应特性对电流保护有很大的影响，最后提出相应的对策。
The causes of refusing action of over current protection when the short circuit arises at the beginning of distribution line have been theoretically analysed in this paper.
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