1) four-phase system
四相系统
2) three-phase four-wire system
三相四线系统
1.
A new one-cycle control scheme of dynamic voltage regulator (DVR) for three-phase four-wire system is proposed.
提出了一种三相四线系统动态电压调节器(dynamic voltage regulator,DVR)的单周控制模型。
2.
In this paper,a three-dimensional space vector modulation(3DSVM) algorithm principle is presented and the principle is applied to DSTATCOM in three-phase four-wire system.
提出了一种三维空间矢量算法原理,并将其用于三相四线系统配电网静止无功发生器(DSTATCOM)中。
3) three-phase four-wire system
三相四线制系统
1.
From view of reactive power compensation in three-phase four-wire systems,the authors logically analyze and compare the p-q-r theory with other kinds of instantaneous power theories which are widely applied in power compensation on current detecting algorisms in three-phase four-wire system thoroughly.
为深入分析应用于三相四线制系统的3种瞬时功率理论,由3种瞬时功率的定义出发,利用自由度观点和能量守恒原理,分析了各种瞬时功率理论的各自特点,并利用仿真软件MATLABLE建立了三相四线制带不对称负荷的仿真模型,对比了3种瞬时功率理论的分析结论。
2.
Because of the three-phase four-wire system, i_p-i_q method is improved in this paper.
针对设计目标,本文随后介绍了并联型有源电力滤波器的基本原理,讨论了主电路的构成,提出了两种三相四线制系统的主电路结构,分析了它们的特点及使用场合,确定了本文中系统的主电路拓扑结构,并在此基础上选定了开关器件和主要元件参数。
4) four-phase power transmission system
四相输电系统
1.
For calculating the costs of four-phase power transmission system,this paper set a 500 kV constrained three-phase power transmission project as a model and made simulated design and costs evaluation of four-phase power transmission system.
为了对四相输电系统的经济性进行评估,以一条实际建设的500 kV紧凑型输电工程作为参照,对四相输电线路进行了模拟的简化设计和造价估算。
6) four phase system
四相体系
补充资料：三相四线制
配电系统中常用的供电方式之一。均为星形接法并具有中性线。普遍用于低压配电及380/220伏动力和照明混合配电场所。
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