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Magnetic polarity determination device, permanent magnet synchronous motor control device, and magnetic polarity determination method
Magnetic polarity determination device, permanent magnet synchronous motor control device, and magnetic polarity determination method
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机译:磁极性确定装置,永磁同步电动机控制装置和磁极性确定方法
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摘要
A control system for controlling a synchronous motor having a magnet in a rotor includes an inverter configured to output an AC current for driving the motor, a gate command generating unit configured to generate a gate command for controlling the inverter, a current detecting unit configured to detect the AC current output by the inverter, a magnetic pole position estimating unit configured to estimate a magnetic pole position based on the AC current detected by the current detecting unit and generate an estimation signal, a current command generating unit configured to generate a current command and an estimation command for controlling the inverter to output an AC current with a predetermined level, and a magnetic polarity determination unit configured to determine the polarity of the magnet based on the estimation signal.
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