西微所--微电机杂志 关键词：单片机；直线电机；霍尔反馈；电压空间矢量控制 [gap=657]Key words: MCU; linear motor; hall feedback; voltage space vector control
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本文主要研究三电平逆变器在电压空间矢量控制过程中中性点电压平衡的控制方法。
This paper proposes a new strategy for balancing the neutral point voltage in the process of the three-level inverter vector controlling.
在传统的PWM整流控制的基础上，论文利用开关函数建模法，提出了基于预测电流的PWM电压空间矢量控制方法。
Based on the traditional control on PWM rectifier, space vector PWM predictive current controller is presented using the switching function model.
还分析了采用多相空间电压矢量控制时，一个周期内电压矢量的合成过程，由于多相逆变器可供使用的空间电压矢量数目多，因而能够准确地输出给定电压矢量。
The composition processing of the space vector is also been analyzed, the reference voltage vector can be achieved correctly because there are more space voltage vector can be utilized.
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