3) single phase earth fault
单相故障
1.
The zero-sequence model of single phase earth fault is made on the basis of distributed parameter lines.
建立了基于线路分布参数的单相故障零序等效模型,通过分析故障/非故障线路的暂态零序电流,得到了它们的内在特性:在低频段内,故障线路零序暂态电流幅值大于非故障线路的,并且随着故障距离的增加而幅值呈一定规律减小。
4) the single-phase breakdown earth phase
单相故障接地相
1.
In the three-phase power supply system in mining wells,the method to detect the single-phase breakdown earth phase in the system of neutral point unconnected to earth is the next to the phase with the highest voltage in the three-phase voltage is the breakdown phase.
在矿井三相供电系统中,中性点不接地系统中单相故障接地相的判断法:三相电压中以指示值最高相为依据,按相序顺序往下推移一相才是故障相。
5) Single-phase earth fault
单相接地故障
1.
Study on line-selection of zero sequence full current for single-phase earth fault in 6～10kV lines;
6～10kV线路单相接地故障零序全电流选线研究
2.
A simulation test circuit with lumped parameters is designed for the research on the characteristic of arc self-extinction caused by single-phase earth fault occurred in 10kV distribution network.
设计了研究10kV配电网单相接地故障电弧自熄特性的集中参数模拟试验回路,针对集中参数模拟回路和分布参数实际系统,对单相接地故障下的恢复电压峰值及其上升速度进行了数值仿真,分析了模拟回路与实际系统的等效性。
3.
The principles of using signal injection method to detect single-phase earth fault of distribution network at present are compared and analyzed.
对目前配网采用信号注入法检测单相接地故障的原理进行比较分析。
6) single-phase grounding fault
单相接地故障
1.
A virtual value method of locating single-phase grounding fault section of 10kV feeders in power distribution system;
配电网10kV线路单相接地故障区段定位的有效值法
2.
A more accurate fault model based on the distributed parameters of non-solidly grounded system is presented to analyze the transient characteristics of single-phase grounding fault and to improve the faulty feeder selection criterion based on transient signals.
提出了一种基于线路分布参数的小电流接地系统的高精度故障模型,用于分析单相接地故障产生的暂态信号特征及进一步完善基于暂态信息的小电流接地故障选线判据。
3.
The self-extinguishing of the arc caused by a single-phase grounding fault depends mainly on the amplitude of the residual current at grounding point.
可自恢复性单相接地故障点的电弧是否能自然熄灭的决定因素是接地故障残流的大小。
补充资料：单相
在交流电力线路中具有的单一交流电动势。对外供电时一般有两个接头。在日常生活中广泛使用单相供电方式。
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