2) active component direction of zero-sequence current
零序电流有功分量
1.
Since the success rate of faulty line selection based on single criterion for single-phase earthing fault in non-solidly earthed network is normally low,a new comprehensive faulty line selection equipment is proposed which based on the first half transient wave and active component direction of zero-sequence current.
为解决小电流接地系统发生单相接地故障后,单相判据的小电流单相接地故障选线成功率普遍较低的问题,提出一种基于暂态首半波和零序电流有功分量方向的综合选线装置。
3) reactive component of current
电流无功分量
4) resistive component
电阻分量，有功分量
5) active current
有功电流
1.
The paper puts forward an active current detection of the Fryze definition based on the mean filter.
本文提出了均值滤波器对Fryze时域功率定义下的有功电流实时检测方法,该滤波器为一具有线性相位的有限冲激响应(FIR)数字滤波器,可以使得应用于三相电路的控制系统在三分之一个周期处就跟随电网的变化,单相电路的控制系统在一个周期处就跟随电网的变化,在理论分析的基础上,本文对该方法进行了仿真。
2.
According to the equivalent circuit model of non-linear load,and using "when load current is periodic function,the integral in a period for absolute value of the difference between the load current and fundamental active current is the least" as detecting principle,a harmonic current detecting method for single-phase active power filter based on iterative algorithm was proposed.
根据非线性负载的等效电路模型,以“当负载电流为周期电流时,负载电流与负载基波有功电流差的绝对值在一个周期内的积分值最小”为检测原理,提出了一种基于迭代算法的有源电力滤波器单相电路谐波电流检测方法。
3.
Using "when load current is periodic function,the integral value in a period for absolute value of load current subtracting fundamental active current is the least" as detecting principle,a detecting approach of harmonic current in single-phase circuit based on fast iterative algorithm in active power filter was proposed.
以“负载电流为周期电流时,负载电流与负载基波有功电流差的绝对值在一个周期内的积分值最小”为检测原理,提出了一种基于迭代算法的有源电力滤波器单相电路谐波电流检测方法。
6) Active component
有功分量
1.
The cross-spectrum characteristics of sound pressure between two hydrophones deployed vertically are analyzed in low frequency acoustic field of shallow water, more attentions are paid to the cross-spectrum active component of sound pressure when only two normal modes are trapped in the waveguide.
分析了浅海甚低频声场中的垂直双水听器的互谱特性,尤其关注了声场中只存在两阶简正波时声压互谱的有功分量。
补充资料：零序电流互感器
分子式：
CAS号：
性质：剩余电流型漏电保护装置的检测元件。其铁心多是环形的。所有电源线(两根、三根或四根)穿过互感器铁心构成互感器的原边；其二次线圈与极化电磁铁或电子线路联接。正常运行时，互感器一次边各线在铁心中产生的磁通互相抵消，二次线圈不产生感应电动势，漏电保护装置不动作；当后方发生漏电或有人触电时，出现剩余电流，二次线圈产生感应电动势，漏电保护装置动作。纯电磁式剩余电流型漏电保护装置的零序电流互感器必须具有很高的灵敏度。其铁心用铁镍合金或非晶态材料制成。
CAS号：
性质：剩余电流型漏电保护装置的检测元件。其铁心多是环形的。所有电源线(两根、三根或四根)穿过互感器铁心构成互感器的原边；其二次线圈与极化电磁铁或电子线路联接。正常运行时，互感器一次边各线在铁心中产生的磁通互相抵消，二次线圈不产生感应电动势，漏电保护装置不动作；当后方发生漏电或有人触电时，出现剩余电流，二次线圈产生感应电动势，漏电保护装置动作。纯电磁式剩余电流型漏电保护装置的零序电流互感器必须具有很高的灵敏度。其铁心用铁镍合金或非晶态材料制成。
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