Analysis and Compensation of Phase Current Measuring Error Caused by Sensing Resistor in PMSM Application
Xin Cheng,
Jinfeng Hu,
Ye Yu
et al.
Abstract:Field Oriented Control (FOC) effectively realizes independent control of flux linkage and torque, and is widely used in application of Permanent Magnet Synchronous Motor (PMSM). However, it is necessary to detect the phase current information of the motor to realize the current closed-loop control. The phase current detection method based on a sampling resistor will cause a measurement error due to the influence of parasitic parameters of the sampling resistor, which will lead to the decrease in PMSM control p… Show more
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