三电平逆变器SVPWM谐波对电动机转矩的影响
Influence of Harmonics of SVPWM of Three-level Inverter on Motor Torque
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摘要: 文章首先对空间电压矢量的三电平逆变器PWM算法进行了分析,然后以MATLAB的Simulink为平台,建立了SVPWM方式在调速系统中的仿真模型。基于仿真研究,着重分析了谐波对异步电动机电磁转矩的影响,并介绍了谐波消除方法。Abstract: The paper analyzed PWM algorithm of three-level inverter of space voltage vector,then took Simulink of MATLAB as platform,established simulation model of SVPWM mode in speed-regulation system. Based on simulation research, it analyzed harmonics influence on electromagnet torque of asynchronous motor emphatically, and introduced the clearing method for harmonics.
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Key words:
- motor /
- there-level inverter /
- space vector /
- harmonics /
- SVPWM
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