三相系统 three-phase system
三相系电力 power in three-phase system
三相系统基准值 Base Values
三相系统图 three-phase system diagram
对称三相系统 balanced three-phase system
不对称三相系统 asymmetrical three phase system
三相系列 Three Phase Filters
三相三线系统 PQF ; three-phase three wire system
三相四线系统 three-phase four-wire system ; PQFK ; three-phase four wire system
三相步进系统 Stepping System
该文以同步旋转坐标系模型为基础，设计了三相电压型PWM整流器的级联式非线性PI控制器。
This paper proposes a cascaded nonlinear PI controller for three-phase voltage source PWM rectifier, which is based on its model in synchronous reference frame.
建立了三相电压型PWM整流器电流控制数学模型，输入电流在静止坐标系下实现了固定开关频率的解耦控制。
In this paper, a current control mathematical model is established with fixed switching frequency for three-phase pulse width modulated (PWM) converter.
建立了三相异步电动机在旋转坐标系下的数学模型，论述了空间矢量脉宽调制技术原理。
The mathematical model of three-phase asynchronous motor in rotating coordinate system is established, and PWM technology of space vector is discussed.
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