ways photoelectricity protection 路光电保护
ways of protection 防治对策
Based on difference use conditions, rusting condition of steel structure in metallurgical enterprise are analysed and protection ways are put forward.
根据不同的使用条件,分析了冶金企业中钢结构的锈蚀情况,提出了防护方法。
The grounding protection mode of the AC 380 V air-conditioned passenger cars as well as the harm of different grounding protection ways existing simultaneously is described.
介绍了AC 380 V空调客车的接地保护方式以及不同接地保护形式并存的危害,并提出了改进措施。
Several different protection ways for earth fault are introduced and discussed from earth-fault protection, zero-sequence protection, residual current protection and other aspects.
介绍了接地故障保护的几种不同方式,从接地故障保护、零序电流保护、剩余电流保护等方面进行了论述,指出只有与等电位联结相结合,才能完善保护作。
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