An Adaptive Angle Error Compensator for IPMSMs With Periodic Loads in the Flux Weakening Region
IEEE Transactions on Power Electronics(2022)
摘要
When the load of a motor changes periodically with the mechanical angle, the speed also changes. There are obvious amplitude attenuation and phase shift in the high-frequency band of the phase-locked loop, resulting in the periodic angle error between the estimated angle and the real angle when the motor is in the high-speed flux weakening region. The periodic angle error easily leads to the deter...
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关键词
Phase locked loops,Fluctuations,Attenuation,Sensorless control,Adaptive filters,Synchronous motors,Power harmonic filters
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