保护接地

介绍了UPS不间断电源的安装规范和技术要求，分析了环境的温度、空间、布线对UPS使用的影响及对保护接地与防雷接地的要求。

Introduction was made to installation specifications and technical requirements of uninterrupted power supply ( UPS ), analyzing impacts of ambient temperature , space , cable laying out on UPS use and the requirements for protective earthing and anti - lightning earthing .

对弧焊电源保护接地与保护接零的探讨

Protective Earthing of Arc Welding power Sources and Protective Zero are Discussed

就油库常见的接地与接零概念混淆、选用保护接地与保护接零时不分场合、TT系统和TN系统同时应用等3个误区进行了分析，并提出了解决方法。

The commonly seen 3 misunderstandings , namely confusing of grounding and zeroing concepts , ambiguous selection of grounding or zeroing protection , and application of both TT and TN in the same system , are analyzed and corresponding solution are suggested .

对两种接线方式的距离阻抗元件运行特性进行了详细分析，通过具体试验，验证了用110kV线路保护接地距离Ⅲ段适合作为本线路末端变压器相间故障的远后备。

This paper discusses the operating behavior of impedance element connected in two different modes in detail . Through test on physical model , the result shows that 110 kV line protections are capable of being remote backup protection for transformers .

谈低压配电系统中的保护接地和保护接零

Protective grounding and zero circuit connecting protection in low-voltage distribution system

井下电气设备保护接地存在问题及对策

The problem and counter measures of underground electric equipment protection grounding

木工机床保护接地电路的设计与测试

Design and testing of the protective grounding circuit on woodworking machines

低压电力系统的保护接地和接零探讨

Inquiring into protective Grounding and Zero Connection of Lower Voltage Power System

浅谈煤炭中心化验室用电系统的保护接地

Preliminary discussion on protective grounding of power system in coal center laboratory

所以保护接地导体是不用测试的。

PROTECTIVE EARTHING CONDUCTORS are considered to comply without test .

智能型保护接地电路连续性测试仪的研制

An Intelligent Instrument for Testing Continuance of Protective Grounding Circuits

保护接地与接零的几个问题

Several Important Problems about Protective Earthing and Connecting to Neutral

浅谈岩金矿山井下电气设备的保护接地关于矿热炉电气设备节电问题的探讨

Preliminary discussion on protective earthing of underground electric equipment in gold mines

井下中央变电所选择性保护接地的实现及意义

Application of the Selected Ground Protection and Its Significance for Underground Center Substation

桥式和门式起重机的保护接地问题

On the Protective Earthing of Gantry and Portal Cranes

保护接地和保护接零为什么不能混用？

Why protective earth connection and zero connection can 't be mixed up ?

提出了作者认为变压器的保护接地、工作接地应该的做法。

Implementation way of system earthing and protective earthing of transformer are suggested .

智能化大厦电气保护接地的探讨

An approach into electric protective ground of intelligent mansion

水电站户外照明配电系统的保护接地

Grounding of Distribution System Protection for Outdoor Area Lighting in the Hydropower Station

低压电网保护接地、接零的设置

The Setup of Low Electric Net to Protect Connect to Earth and Neutral

正确使用保护接地和保护接零

Proper use of electrical earthing and connecting neutral

保护接地的作用及其局限性

The Function of Protective Earthing and Its Limitation

10/0.4kV变电站系统接地与保护接地的探讨

Research on the System Grounding and Protective Grounding in 10 / 0.4 kV Substation

工作条件：可靠的保护接地。

Working conditions : Reliable protective grounding .

主要阐述化纤企业电气设备保护接地的一些问题。

Some problems of electrical equipments grounding protection in chemical fiber plants are mainly expounded .

仪表及保护接地系统。

Instrumental and protective grounding systems .

低压用电设备的保护接地

Grounding Protection of Low Voltage Equipment

电力电缆保护接地

Grounding for Power Cable Protection

工业机械电气设备保护接地电路的连续性必须进行测试并满足一定要求。

The continuance of protective grounding circuits of industrial electro mechanical equipment must be tested and satisfy with the national standard .

工厂中接地的种类主要有工作接地、保护接地、屏蔽接地、防静电接地和防雷接地等。

Main types of earthing in industrial plants include operational earthing , protective earthing , shielding earthing , electrostatic - proof earthing and lightning-proof earthing etc.