1) Differential Current Mode
差分电流模
2) differential-mode current
差模电流
1.
Simulation and experiment proved that:(a)When common-mode current is far smaller than differential-mode current,there is corresponding error in the measurement of common-mode current by using two conductors with same currents in opposite direction.
介绍了电流探头的工作原理,并通过实验验证和仿真分析,说明了当共模电流远小于差模电流时,采用正负双线测量共模电流存在一定的误差;当测量大电流旁边的小电流导线时也存在一定的误差。
3) current-differencing
电流差分
4) differential mode coupling current
差模耦合电流
5) total flow difference model
总流差分模型
6) 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。
补充资料:标准冲击电流波形(见冲击电流发生器)
标准冲击电流波形(见冲击电流发生器)
standard impulse current wave form
blaozhun ehonglld}0n4一u box]ng标准冲击电流波形(standard impulse currentwave form)见冲击电流发生器。
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