MATEC Web Conf.
Volume 355, 20222021 International Conference on Physics, Computing and Mathematical (ICPCM2021)
|Number of page(s)||7|
|Section||Computing Methods and Computer Application|
|Published online||12 January 2022|
Research on high-speed synchronous motor direct torque control
1 Liaoning Provincial College of Communications, Shenyang, Liaoning, China
2 Shenyang Everbright Environment Technology Co., Ltd., Shenyang, Liaoning, China
* Corresponding author: firstname.lastname@example.org
High-speed motor is increasingly used in ultra-high precision machining and high-performance machinery. It is necessary to achieve closed-loop control of high-speed motor in order to realize high-performance motor control. The high-frequency and high-speed characteristics of high-speed motor have brought great difficulties for its realization of closed-loop control. The performance of the hexagonal flux direct torque control (DTC) method that can reduce the switching frequency of power devices is researched for high-speed synchronous motor in this paper. After adopting this control method, the harmonics in the motor current and torque can be suppressed by adopting an appropriate filtering method. The same effect as the conventional DTC can still be achieved. It provides a basis for the application realization of the high-speed synchronous motor control system.
Key words: Synchronous motor / Hexagonal flux / Closed-loop control / Direct torque control
© The Authors, published by EDP Sciences, 2022
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