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首页> 外文期刊>Quality Control, Transactions >Active Thermal Control for Modular Power Converters in Multi-Phase Permanent Magnet Synchronous Motor Drive System
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Active Thermal Control for Modular Power Converters in Multi-Phase Permanent Magnet Synchronous Motor Drive System

机译:多相永磁同步电机驱动系统中模块化功率转换器的主动热控制

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摘要

Modular winding structure has been employed in the Permanent Magnet Synchronous Motors (PMSMs) to increase the reliability and reduce the torque ripple. Nevertheless, the reliability of the motor system depends on the lifetime of the power semiconductor devices. Since the thermal cycles, which can generate the mechanical stress between the different material layers in power devices, are the key factors to influence the lifetime of power devices, in this paper, an Active Thermal Control (ATC) for modular power converters in PMSM drive is proposed to extend the system lifetime. The power routing method is employed to balance the power in a quadruple modular winding PMSM system. The Rainflow Counting Algorithm is used to calculate the thermal cycles with a load mission profile, and estimate the lifetime of the power converters. The proposed method is validated by both simulation and experiments.
机译:模块化绕组结构已采用永磁同步电动机(PMSMS),以提高可靠性并减少扭矩纹波。然而,电动机系统的可靠性取决于功率半导体器件的寿命。由于热循环可以在功率器件中的不同材料层之间产生机械应力,因此是影响PMSM驱动器中的模块化电源转换器的有源热控制(ATC)的关键因素。建议扩展系统寿命。电源路由方法用于平衡四重模块化绕组PMSM系统中的电力。雨流程计数算法用于使用负载任务配置文件计算热循环,并估计电源转换器的寿命。通过模拟和实验验证所提出的方法。

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