Set up the circuit design criterion for the steady - stage deadbeat control to the line current of a three - phase high-power-factor rectifier based on voltage space-vector PWM.
建立了对基于电压空间矢量pwm的三相高功率因数整流器实现电流稳态无差拍控制的设计准则。
The difference of output voltage of inverter and 220v is set as control signal, controller change the PWM signal to regulate buck-boost converter and three-phase rectifier.
以逆变器输出的电压和220v的差值作为控制信号。设计控制器根据控制信号改变直流变换器和三相可控整流的PWM控制信号。
It adopts micro computer contact screen to control , three-phase mixing motor to pull material; and producting piece number can be set up freely.
整机采用微电脑触摸屏控制，三相混合电机拖料，自动计数可任意设定张数。
The precision of hitting will be improved obviously if we can offer a set of simple guidance control systems in powered phase of the rocket projectile.
如果能在火箭主动段加一套简易的控制系统来控制火箭的姿态，则将大大提高火箭的命中精度。
The improved period-average-mode of the single-phase PWM VSC is set up, and the current control scheme based on the model is presented.
建立了PWM逆变器的改进型周期平均模型，并给出了基于此模型基础上的电感电流控制方式；
The improved period-average-mode of the single-phase PWM VSC is set up, and the current control scheme based on the model is presented.
建立了PWM逆变器的改进型周期平均模型，并给出了基于此模型基础上的电感电流控制方式；
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