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Maximum Torque per Ampere Control Strategy for Permanent Magnet Synchronous Motor
Author(s): 
Pages: 3079-3082
Year: Issue:  z1
Journal: East China Electric Power

Keyword:  PMSMMPTAextremum principle;
Abstract: 对永磁同步电动机(PMSM)效率优化的最大转矩电流比(MPTA)进行了研究.针对一类永磁同步电动机d、q轴电感不相等的特性,根据PMSM在d-q坐标系下的基本方程,用极值原理推导出在输出转矩一定时所需要的最小d、q轴电流应满足的关系式,提出了基于最大转矩电流比的PMSM控制方法.仿真结果表明该方法可以降低定子电流,从而减小损耗,提高系统效率.
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