变速恒频双馈风力发电系统矩阵变换器VMA调制研究--《天津大学》2007年硕士论文 分别为Venturini调制方法(VenturiniModulationAlgorithm,VMA)和空间矢量调制方法(SpaceVectorModulation,SVM)。传统的SVM方法虽然理论简单,并且可以变速恒频发电以及实现有功、无功功率解耦输出,但是其发电性能并
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以空间矢量调制方法来获得逆变器的开关信号,实现了小的转矩脉动和恒定的开关频率。
The control signals of invertor are produced by space vector modulation to achieve a small torque ripple and constant switch frequency.
本文研究了三相电压源型逆变器实现并网所采用的控制方法,包括空间矢量调制法和锁相环技术。
A method of the three phase voltage-source inverter connecting to the grid is studied, which consists of space vector pulse width modulation and phase-locking method.
接下来,本文重点分析了基于矢量调制的组合控制策略,即将矩阵变换器的空间矢量脉宽调制和电动机转子磁场矢量控制有机结合的控制方法。
Next, the mix control strategy were analyzed in detail, which is the control method of combining the space vector pulse width modulation and the rotor magnetic filed directional control.
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