Bulletin of Science and Technology. 2014, (04) Core

Improved Superconducting Permanent Magnet Motor Model and Current Distortion SuppressionChinese Full Text

Sui Hongyi;Department of Economics and Trade of Henan Institute of Engineering;

Abstract: Using the high frequency suppression performance of the rotor coordinate system,an improved superconducting permanent magnet motor model was proposed,the affine transformation method was used to replace the traditional differential operation derivative calculation for current vector.The high frequency noise was suppressed,and the tracking error compensation in the back EMF about the traditional model was added to compensate the current distortion uncertainty,the control system model structure and the control prediction algorithm was designed in the magnetic field coordinates for the permanent magnet motor.Simulation result shows that the improved model can suppress the current distortion effectively,and reduce the torque ripple,and the current control error is reduced by 50%,the current track volatility rules round.It can control the current distortion in the ideal range effectively.

Keywords：

motor model; current distortion; control;

DOI：
10.13774/j.cnki.kjtb.2014.04.053
Series：
Subject：
Classification Code：
TM351

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Improved Superconducting Permanent Magnet Motor Model and Current Distortion SuppressionChinese Full Text

Sui Hongyi;Department of Economics and Trade of Henan Institute of Engineering;

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