所谓接零保护，就是指在1KVA以下调压器中性点直接接地的电网中，一切电气设备正常情况下不带电的金属外壳以及和它相连接的金属部分与零线作可靠的电气联接。
现对低压配电系统接地和接零保护进行简要论述。
The paper discusses the low-voltage distribution system earthing and the neutral protection.
根据JGJ 46 88施工现场临时用电安全技术规范，说明了施工现场保护接零的选用原则。
According to JGJ46 88 the safety technique codes of temporary using electricity in construction site the paper illustrates the choose principle of protective zero terminating in construction site.
本文着重对工业供电系统电气设备的接地、接零及漏电保护的原理与安装方法等作了详尽的介绍，旨在确保用电安全，防止触电事故的发生。
This article goes into details on the principle and assemblage of earthing, zeroing and leakage prevention with the view of ensuring power supply safety and hindering electric shock accidents.
应用推荐