Double space vector modulation can realize zero current commutation of the rectifier side, greatly reduce the switch loss, and improve the efficiency of the converter.
双空间矢量调制两级协调控制能实现整流级零电流换流，极大地减少了开关损耗，提高了变换器的效率。
The inverter uses opetimal phase angle control scheme to suppress the surge voltage during the commutation of current.
为了抑制电流换相期间的浪涌电压，逆变器采用最佳相角控制。
Current fluctuation is analyzed during coil commutation time and electromagnetic torque is computed and method is given to restrain ripple of electromagnetic torque.
对绕组换相时电流波动进行了分析，并计算了电机电磁转矩，给出了抑制电磁转矩脉动的方法。
This thesis discusses principal issues of the matrix converter such as prime principle, control strategy, current commutation, its applications etc.
本文立论研究的目的是对矩阵式变换器基本原理、控制策略、开关换流、应用范围等基本性问题进行探索性研究工作。
Commutation failure is one of the most common failures for the high voltage direct current transmission system.
在特高压直流输电中换相失败也是主要的故障。
According to torque ripple of brushless DC motor, the different PWM modulation mode and overlapping commutation method are used to minimize torque pulsation when current commutation is considered.
针对无刷直流电动机的转矩脉动，提出采用不同的PWM调制方式以及不同的重叠换相角减小换相电流所引起的转矩脉动。
According to torque ripple of brushless DC motor, the different PWM modulation mode and overlapping commutation method are used to minimize torque pulsation when current commutation is considered.
针对无刷直流电动机的转矩脉动，提出采用不同的PWM调制方式以及不同的重叠换相角减小换相电流所引起的转矩脉动。
应用推荐