In this paper, instantaneous reactive power theory using in three-phase four-wire system was discussed at first. 讨论了在三相四线(4W)制系统中瞬时无功功率理论和有源电力滤波器的研究结果。
The multi-objective control of micro source is studied for three-phase four-wire system. 研究了基于逆变器并网的微电源在三相四线(4W)制微电网中的多目标控制问题。
In four-wire systems, the termination is placed across the receiver of the node. 对四线(4W)制系统系统,终端电阻则并接到节点中的接收器上。
This paper presented the design idea of control system of a fully automatic four-wire feeding machine and gave the design principles diagram of software and hardware design. 本文提出了全自动四线(4W)喂线机控制系统的设计思路,给出了软件设计和硬件设计原理图。
Research on Harmonic Current Detection in Three-Phase Four-Wire(4W) System Based on Improved p-q-r Method 基于改进p-q-r法的三相四线(4W)制系统谐波电流检测方法的研究