1) interphase current difference
相电流差
1.
The paper has analyzed the line two interphase current difference characteristic,according to this characteristic,proposed based on two interphase current difference auto-adapted electric current protection plan,and has carried on the analysis to the auto-adapted electricity speed of flow section protection performance.
分析了线路两相电流差的特性,根据此特性,提出了基于两相电流差的自适应电流保护方案,并对自适应电流速段保护性能进行了分析。
4) phase-to-phase differential current
两相电流差
1.
Adaptive protection for middle and low voltage line based on phase-to-phase differential current and phase-to-phase voltage;
基于两相电流差和线电压的中低压线路自适应保护
2.
First,this paper validates the characteristic of phase-to-phase differential current using the experiment dates.
本文首先利用动模实验数据验证了线路两相电流差的特性,即无论发生何种相间短路故障,两故障相间的两相电流差大小等于三相短路时单相电流的3~(1/2)倍,与非故障相有关的两相电流差的大小则小于故障相间的两相电流差值,而且两故障相间电流差的大小与短路类型无关。
5) phase segregated current differential protection
分相电流差动
1.
This paper points out the existence of a series of problems about double-circuit lines on the same pole with the main protection of phase segregated current differential protection,such as differential protection will quit when channel is in fault and common reactance’s impact on back up protection.
指出了分相电流差动作为目前同杆双回线的首选主保护所存在的一系列问题,如通道故障时差动保护就要退出,互感对后备保护的影响等,提出新型的同杆双回线继电保护方案同杆并架双回线采用光纤通道,通道故障失去主保护,通过装置间的通信引入相邻线电流,采用横差解决主保护问题,并利用相邻线电流补偿解决互感对后备保护的影响。
2.
Zero sequence current differential protection is expected to improve the performance under high resistance earth fault conditions in phase segregated current differential protection for transmission lines.
分相电流差动保护装置中一般都配置零序差动保护 ,目的是为了提高保护装置的耐过渡电阻能力。
6) circumrotating circuit phase difference
旋转电流相位差
补充资料：相电流
相电流
phase currents
x{ongd一onllu相电流(phase。urrents)三相电源或三相负载每一相的电流(设中性点为N)，为九A、人。、少Nc;相的相电流分别为·以三相电源为外在星形接法时其A娜B相和C相咖电流分别三角形接法时，其A相、B相和C九、、九。和云f-
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