On this basis, the influences to unbalance current of line tower type, wire parameters and phase sequence arrange are analyzed.
在此基础上分析线路塔型、导线参数、相序排列等因素对不平衡电流的影响。
The relation formula is given by calculating the phase current and central wire current, thus the motivation of central wire choice is offered.
通过对相电流及中线电流的计算，给出了二者的关系式，为确定选择中线提供了理论依据。
Experimental results prove the proposed control method can compensate the harmonic, negative sequence and zero sequence current components in the three phase four wire.
实验结果表明，该装置可对三相四线制系统中的谐波、负序、零序等电流分量进行补偿。
This paper offers a better theory basis for improving compensation capability of the three-phase four-wire APF controlled by hysteresis current control strategy.
该文的理论推导和所得结论为改善三相四线并联apf应用电流滞环控制时的性能提供了较好的理论基础。
Moreover, three-phase four-wire active filters can suppress zero line current, and solve symmetric problem of system effectively.
另外，三相四线制有源电力滤波器能有效地抑制零线电流，并能有效地解决系统的不对称问题。
It is concluded that the twin wire magnetic phase shifter has a clear advantage over the one wire magnetic phase shifter and that the former's magnetic current is half of the latters.
得出了双线磁化移相器比单线移相器有明显的优越性，其磁化电流是单线移相器的一半。
First of all, current detection method for three-phase four-wire system is researched.
首先，本文针对三相四线制的电流检测方法进行了研究。
The experimental results indicate that this method can be used to detect the reactive power and harmonic current exactly in three-phase four-wire system.
通过试验验证，该检测方法能够很好的实现对三相四线制系统中的无功和谐波电流的检测。
A new detection method for random harmonic current which was suitable for 3-wire and 3-phase unbalance system was put forward.
提出了一种适用于三相三线制不平衡系统的任意次谐波电流检测方法。
A new detection method for random harmonic current which was suitable for 3-wire and 3-phase unbalance system was put forward.
提出了一种适用于三相三线制不平衡系统的任意次谐波电流检测方法。
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