The reasons and importance of setting underground protective grounding net to coal mine are introduced.
介绍了煤矿井下设置保护接地网的原因及重要性。
To the common problems of protective earthing of underground electric equipments the author put forward some measures.
作者自2004年晋城市煤矿安全评价工作开展以来,一直从事煤矿机电系统单元的安全评价,针对煤矿井下电气设备保护接地常见的问题,提出一些针对性的防治措施。
Preliminary discussion on protective grounding of power system in coal center laboratory;
浅谈煤炭中心化验室用电系统的保护接地
Design and testing of the protective grounding circuit on woodworking machines
木工机床保护接地电路的设计与测试
The paper has introduced the concept of grouding and neutral,analyzed the type and purpose of them,meanwhile pointed out the requirement of the protective connect to neutral and protective grounding,which is possessed of practicality and operabilit
简要介绍了电气技术中"地"和"零"的含义,分析说明了接地与接零的种类与目的,同时指出保护接零和保护接地的应用要求,具有很强的实践性和操作性。
Research on the System Grounding and Protective Grounding in 10/0.4 kV Substation
10/0.4kV变电站系统接地与保护接地的探讨
aircospot welding
氩电极惰性气体保护接地点焊
Grounding of Distribution System Protection for Outdoor Area Lighting in the Hydropower Station
水电站户外照明配电系统的保护接地
Design and testing of the protective grounding circuit on woodworking machines
木工机床保护接地电路的设计与测试
Discussion on the Touching Voltage and Walk Voltage Resulting from the Protective Earthing;
对保护接地产生的接触电压和跨步电压的探讨
rth leakage trip
接地保护自动断路器
flash and ground protecting relay
闪燃和接地保护继电器
Brief talk on ground protection and zero connection protection and its selection in construction field
浅谈施工现场的接地保护与接零保护及其选用
Determination of Cathodic Protection Parameters of Grounding Grid
接地网阴极保护中最佳保护电位的研究
Discuss on Earthing Protection Scheme in Neutral Grounded with Low-resistance Distributed System
中性点经小电阻接地系统接地保护方案探讨
The Analysis and Study of a New Protection about the Solid Ground System
大接地电流系统新型接地保护的分析与研究
Research on grounding method of arc-suppression coil with parallel or serial resistance and ground-fault protection principle
消弧线圈并串电阻接地式与接地保护原理研究
Development of Protect Device of Single-phase Earth in Non-solid Earthed System
小电流接地系统单相接地保护装置的研制
Analysis on the Grounding Faults in 35 kV System with Neutral Resistance Grounded and Its Protective Measure
35kV电阻接地系统接地故障分析与保护措施
Protect the bottom heads of acetylene cylinders from damp ground.
保护钢瓶底部，防止接触潮湿的地面。
The Analysis of Large Generator-Transformer Stator Ground-Fault Protection;
大型发变组定子绕组接地保护的研究
Analysis on G60 Third Harmonic Stator Ground Protection
G60发电机三次谐波定子接地保护分析
Setting Calculation of Ground Distance Protection for 750 kV Double Circuit Lines on the Same Tower
750kV同塔双回线接地距离保护整定计算
