1) arc grounding
弧光接地
1.
Based on the simulation analysis of arc grounding test at kaifeng east substation and recording data of arc over-voltage on site from Hebei Sinewave Electrical Co.
通过对河南开封东郊变电站模拟弧光接地试验的分析及对河北正弦波电气公司弧光过电压记录数据的分析,认为变电站频繁发生一次设备爆炸的原因是由于暂态过程中避雷器和消弧线圈没有起到抑制弧光过电压的作用。
2.
It has high accuracy of line selection and can effectively restrict the arc grounding overvoltage and improve the reliability and continuity of enterprise s power supply systems.
提出了在大型铜冶炼厂中压系统采用一种新型的接地方式——与专用选线技术相配合的消弧及过电压保护装置接地系统,它可有效限制弧光接地过电压,选线准确率高,可提高企业供电系统的可靠性和连续性。
3.
With the increase of solid insulation power cables in electric-network year after year, the accidents such as exploding of power cable and arrester caused by arc grounding overvoltage often happen.
随着矿区电网中固体绝缘电缆逐年增多,由弧光接地过电压引起的电缆放炮、避雷器爆炸事故不断发生,消弧及过电压保护装置的使用有效地防止了弧光接地过电压及其对固体绝缘设备的危害。
2) intermittent arc earthing
间歇性弧光接地
1.
By analyzing the accident phenomenon,the conclusion has been made that the accident was caused by single-phase intermittent arc earthing in 10kV system.
通过事故现象,分析了事故原因是10kV系统发生单相间歇性弧光接地引起的。
3) arc grounding over-voltage
弧光接地过电压
1.
Simulation of PF arc grounding over-voltage based on MODELS
基于MODELS的工频弧光接地过电压的仿真
2.
Mechanisms of arc grounding over-voltage and ferroresonance over-voltage in insulated neutral systems are expatiated.
首先,阐述了配网中性点不接地系统产生弧光接地过电压和铁磁谐振过电压的机理,针对2种过电压的产生机理,提出采用氧化锌非线性电阻限压器投于系统故障相。
4) arc grounding overvoltage
弧光接地过电压
1.
A new technology for restrict arc grounding overvoltage;
限制弧光接地过电压的新技术
2.
With the increase of used cable lines,the problem of arc grounding overvoltage is more prominent.
随着配电网中采用的电缆线路的增多,弧光接地过电压问题日益突出。
5) one false Over-voltage of Arc Light Earthing
单相弧光接地
6) extinguished arc grounding
灭弧接地
1.
The paper introduced the role and composition of extinguished arc grounding device for intersection and interconnection system of cable fault in main power network, and briefly narrated its design basis, as well as the application condition of this device on site, which has very strong reference for live working of intersection and interconnection system in domestic city cable network.
文章介绍了主网电缆故障交叉互联系统灭弧接地装置的作用和组成,并简要叙述了其设计基础和依据。
补充资料：静电接地
分子式：
CAS号：
性质： 为了泄放有害静电的接地。金属导体应直接接地。体积电阻率在1010Ω·m以下、表面电阻率1011Ω以下的非金属体和电导率10-10S/m以上的液体应间接接地。体积电阻率1010～1012Ω·m、表面电阻率1011～1013Ω的非金属体和电导率10-10～10-12S/m的液体除应间接接地外，还应配合必要的静置时间。体积电阻率1012Ω·m以上、表面电阻率1013Ω以上的非金属体和电导率10-12S/m以下的液体除应间接接地外，还应采取屏蔽、电离等防静电措施。静电接地的接地电阻不超过千欧姆即可；对地泄漏电阻不超过兆欧姆即可。
CAS号：
性质： 为了泄放有害静电的接地。金属导体应直接接地。体积电阻率在1010Ω·m以下、表面电阻率1011Ω以下的非金属体和电导率10-10S/m以上的液体应间接接地。体积电阻率1010～1012Ω·m、表面电阻率1011～1013Ω的非金属体和电导率10-10～10-12S/m的液体除应间接接地外，还应配合必要的静置时间。体积电阻率1012Ω·m以上、表面电阻率1013Ω以上的非金属体和电导率10-12S/m以下的液体除应间接接地外，还应采取屏蔽、电离等防静电措施。静电接地的接地电阻不超过千欧姆即可；对地泄漏电阻不超过兆欧姆即可。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条