Induction motor without speed sensor flux-weakening control

YuZhang Mo; FanZheng Zeng; YunHe Xing; Han Mo

doi:10.1117/12.3030134

5 June 2024 Induction motor without speed sensor flux-weakening control

YuZhang Mo, FanZheng Zeng, YunHe Xing, Han Mo

Proceedings Volume 13163, Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024); 1316386 (2024) https://doi.org/10.1117/12.3030134
Event: International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024), 2024, Xi'an, China

Abstract

Aiming at the problem that speed control of an induction motor is difficult to realize when it is above the base speed, a weak magnetism-based control method of induction motor at high-speed rotation is designed to overcome the difficulty of speed control of induction motor at high-speed rotation. In this paper, under the flux-weakening state of the induction motor operating in the constant power and constant voltage zones, an improved flux-weakening control by limiting the q-axis current magnitude through the current controller, limiting the motor input voltage through the inverter, and decoupling the control of the motor, and a speed-less flux-weakening controlr is designed through the estimation of the speed, the magnetic chain, and the position angle. The flux-weakening control proposed in this paper is shown by simulation to have a better speed control effect on the induction motor rotating at ultra-high speed.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

YuZhang Mo, FanZheng Zeng, YunHe Xing, and Han Mo "Induction motor without speed sensor flux-weakening control", Proc. SPIE 13163, Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024), 1316386 (5 June 2024); https://doi.org/10.1117/12.3030134

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