The methods are proposed for selection of power, protection and earthing.
提出电源、防护及接地选用的方法。
This article expounds the lightning protection and earthing of weak current system for intelligent building. It emphasizes lightning electromagnetic pulse.
对智能建筑弱电系统的防雷接地进行详细阐述，并对防雷击电磁脉冲部分着重说明。
The experimental results prove that this scheme is effective, it has practical significance in lightning protection and earthing system for highway tunnels.
实践证明，行之有效，对公路隧道防雷接地具有现实意义。
The paper discusses the low-voltage distribution system earthing and the neutral protection.
现对低压配电系统接地和接零保护进行简要论述。
The main methods used to reduce ELFE include electromagnetic field protection technology, driven shaft earthing system, drive shaft earthing system and electric field counteracting system.
电磁场防护结构工艺、被动轴接地系统、主动轴接地系统和电场抵消系统是目前降低舰船极低频电场的主要方法。
This Paper analyses the harm of single-phase earthing in electricity supply system of mine and introduces several type of common ways of leakage protection.
分析井下供电系统单相接地的危害，介绍几种常见的漏电保护方法。
This Paper analyses the harm of single-phase earthing in electricity supply system of mine and introduces several type of common ways of leakage protection.
分析井下供电系统单相接地的危害，介绍几种常见的漏电保护方法。
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