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首页> 外文期刊>Journal of power electronics >Signal injection method without torque ripple for stator winding temperature estimation of surface-mounted PMSM drive systems
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Signal injection method without torque ripple for stator winding temperature estimation of surface-mounted PMSM drive systems

机译：用于定子绕组温度估计表面安装的PMSM驱动系统的信号注入方法

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摘要

A signal injection method without torque ripple is presented to estimate the stator winding temperature of a surface-mounted permanent magnet synchronous machine (PMSM), where the temperature is estimated based on the stator resistance. First, the current signal (Delta i(d)*) is injected into the current control loop to produce DC current offsets used to calculate the stator resistance, where the injected signal cannot lead to extra torque ripple. Then the temperature can be obtained based on the relationship between the stator winding temperature and the stator resistance. Finally, the proposed method is validated by simulation and experimental results. In addition, no extra equipment is needed for the proposed method.
机译：提出了一种没有扭矩纹波的信号注入方法以估计表面安装的永磁同步机（PMSM）的定子卷绕温度，其中基于定子电阻估计温度。首先，将电流信号（Delta I（D）*）注入电流控制回路以产生用于计算定子电阻的DC电流偏移，其中注入的信号不能导致额外的扭矩脉动。然后可以基于定子绕组温度与定子电阻之间的关系获得温度。最后，通过模拟和实验结果验证了所提出的方法。此外，该方法还需要额外的设备。

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