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。
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.
为此我们确定双馈电机调速时的矢量控制策略即转子电流定向的矢量控制。
The paper gives the vector control speed system of the double-fed machine on the rotor current orientation.
根据矢量控制理论和自动控制原理，建立了转子磁链定向的双馈异步电动机电流模型矢量控制系统。
Based on the theory of vector control and automatic control system, the vector control system of current model for doubly-fed asynchronous machine with field-oriented rotor was established.
软件采用C语言编写，实现了无位置传感器控制算法及转速和电流双闭环矢量控制；
The software has been programmed with C. Sensorless PMSM dual close-loop vector control with feedback of speed and current are realized.
控制系统采用双环控制，速度环采用PI转速控制，电流环采用矢量控制。
In the double loop of control system, a PI speed controller is adopted in the speed loop, and a vector controller is used in the current loop.
在此基础上，本文提出了一种基于转子电流定向的双馈电机矢量控制的新型调速方案。
On the basis of this scheme, a new speed adjustment strategy about vector control of doubly fed motor based on rotor current vector fixing is given.
在此基础上，本文提出了一种基于转子电流定向的双馈电机矢量控制的新型调速方案。
On the basis of this scheme, a new speed adjustment strategy about vector control of doubly fed motor based on rotor current vector fixing is given.
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