1) power frequency quality
工频电气量
1.
Robustness of one-terminal fault location algorithms based on power frequency quality;
单端工频电气量故障测距算法的鲁棒性
2) electric parameters for industrial frequency
工频电参量
3) industry frequency electrified railway
工频电气化铁道
4) the variation of power-frequency current
工频电流变化量
1.
By analyzing the rule of voltage,zero-sequence current,zero-sequence power and the variation of power-frequency current during single-phase grounding fault in isolated neutral distribution network in detailed,their characteristics are found.
对中性点不接地电网中发生单相接地故障时系统的电压、零序电流、零序功率和工频电流变化量的规律进行了详细的分析,得出了它们的特征。
5) AC Electric Parameter Measuring System
工频电参数测量
1.
AC Electric Parameter Measuring System Digital Sampling Method Realized with Digital Lowpass Filter;
用数字低通滤波器实现数字采样法的工频电参数测量系统
6) power frequency variation current
工频电流突变量
补充资料：工频突变量距离继电器
工频突变量距离继电器
distance relay using sudden change of power frequency component
，U，’，尸川luUI0n.IOng jull!一d旧nq，工绷突变.距离继电姗sudden ehan罗of power 见距离继电器. (distanee relay usingfrequeney eomponent)
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