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Novel Multiphase SVPWM
Author(s): 
Pages: 68-72,107
Year: Issue:  2
Journal: TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY

Keyword:  多相SVPWM谐波五相永磁同步电机子空间等效电路;
Abstract: 在采用电压型逆变器供电的多相电机驱动系统中,由于电机在广义零序子空间中的阻抗很小,采用传统SVPWM将会导致较大的定子电流谐波.本文提出了一种新颖的多相SVPWM,它不仅在d-q子空间中合成给定电压矢量满足转矩控制的要求;同时使广义零序子空间中合成电压矢量为零,有效抑制了电流谐波.以五相永磁同步电机驱动系统为例子,仿真和试验结果验证了方法的有效性.
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