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车用内置式永磁同步电机过调制弱磁算法

Keywords: 混合动力,永磁同步电机,弱磁,过调制,扭矩响应

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Abstract:

针对混合动力车用电机扭矩响应性的需求,研究了内置式永磁同步电机弱磁区域的快速扭矩控制,提出了一种过调制和弱磁控制有机结合的弱磁控制策略,并进行了仿真和实验分析,实现了在弱磁区域输出调制率大于最大线性调制率的情况下较快的扭矩响应速度.将提出的策略与传统基于外电压环的弱磁控制策略进行了对比,结果显示文中提出的策略能满足车用电机扭矩响应的需求.

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