The output voltage waveforms of matrix converter which is based on the space vector modulation are analysed under the unbalanced input voltage. A time-variant modulation ratio method is proposed.
在非对称输入电压情况下,对基于双空间矢量调制的矩阵变换器的输出电压波形进行了分析,提出了利用时变调制比改善输出电压波形的方法。
How to apply direct torque control using space vector modulation on three-level neutral point clamped(NPC) inverter-fed induction motors control system was introduced.
介绍了在二极管钳位三电平逆变器异步电机调速系统中如何采用空间矢量调制与直接转矩控制相结合的控制方法。
A new direct torque control (DTC) strategy of induction motors based on fuzzy space vector modulation (SVM) technology was proposed.
提出了一种基于模糊空间矢量调制(SVM)技术的异步电机直接转矩控制(DTC)方案。
In the MC-PMSM system based on the double space vector modulation, the expressions for calculating such parameters as the voltage vector magnitude, the voltage vector angle are provided in the paper.
针对双空间矢量调制策略,给出了MC-PMSM矢量控制系统中电压矢量幅值、电压矢量角等量的实时计算方法。
Sensorless DTC - SVM (direct torque control - space vector modulation)
无传感器的DTC-SVM(直接转矩控制-空间矢量调制)
The AC-AC direct transformation control and the double-space-vector PWM scheme of the matrix converter are deduced, mathematic model of space vector modulation (SVM) matrix converter is built.
导出了矩阵变换器的交-交直接变换控制规律和双空间矢量PWM调制策略,建立了交-交直接变换控制方式下矩阵变换器的数学模型。
To implement space vector modulation, a reference signal Vref is sampled with a frequency fs (Ts = 1/fs).
若要實現空間向量調變,先要有一個參考信號Vref依fs的頻率取様(Ts = 1/fs)。