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。
In the end, the author made a discussion about the justifiability of the current commutation system.
最后，文章对我国现行减刑制度的正当性进行了认真反思。
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