1) power frequency variation current
工频电流突变量
2) power frequency variation
工频突变量
1.
Research on steady-state overreach of power frequency variation distance relay;
工频突变量距离继电器稳态超越的研究
3) 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。
4) current break variable
电流突变量
1.
This paper analyzes the phase selection theories of sequence current,the current break variable and the compensation voltage.
分析了反映序电流、电流突变量和补偿电压的选相原理,提出了当电压互感器断线时为防止误动应闭锁补偿电压选相。
5) difference of phase currents
相电流突变量
1.
Discussion of phase selection relay based on difference of phase currents;
文中所探讨的相电流突变量选相元件,是利用单相接地故障时,两健全相相间电流突变量为零这一特征来得到的。
6) current-difference sudden-change component
相电流差突变量
1.
Although phase selectors of current-difference sudden-change component and current sequence component have been applied in digital HV transmission line protective system, they can′t work correctly in weak-feedback system owing to their own defects.
相电流差突变量选相元件和电流序分量选相元件在数字式高压线路保护中得到了广泛的应用,但在弱电源系统中存在电流量自身无法克服的困难而不能正确工作。
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