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 Level Set method is adopted to capture the gas-liquid interface and the projection method is used to solve the three dimensional two-phase flow equations.
采用水平集方法捕捉气，液两相界面，结合投影方法，对所建立的两相流动模型进行了三维数值求解。
In this paper, the three-phase flow heat transfer enhancement technique is applied to closed gravity heat pipe and a set of three-phase flow gravity heat pipe system is set up.
本文将三相流强化传热技术应用于重力热管，构建了三相流闭式重力热管系统。
In this paper set forth the method of symmetric design for three-phase double layer asymmetric fractional slot winding.
阐述不对称三相双层分数槽绕组的对称化设计方法。
Then Spelke and colleagues set about their three-phase training regime.
然后，Spelke和同事们开始了他们三个阶段的训练计划。
Then Spelke and colleagues set about their three-phase training regime.
然后，Spelke和同事们开始了他们三个阶段的训练计划。
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