Study on Decoupling Scheme of Three-Phase Synchronous Motor Vector Control System

Feng Long Shen; Ke Long Yu; Wang Yang Yu; Chong Ze Jiao

doi:10.4028/www.scientific.net/AMM.685.373

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 685Study on Decoupling Scheme of Three-Phase...

Study on Decoupling Scheme of Three-Phase Synchronous Motor Vector Control System

Abstract:

In this paper, firstly,the mathematical model of three-phase asynchronous motor based on vector control system is introduced. Then,the question of coupling of flux, torque and current regulator is analyzed. The comparative study of feedback decoupling, feed-forward decoupling and cross coupling are developed qualitatively and quantitatively. According to this, the deviation decoupling method is proposed to realize the complete decoupling of current regulator. The simulation and experimental results show that, combined with the deviation decoupling and vector control, the decoupling of torque and flux linkage can be implemented completely, while the voltage coupling of current regulator can be eliminated. The results show that the proposed control scheme is feasible and has a fast dynamic respond.

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Periodical:

Applied Mechanics and Materials (Volume 685)

Pages:

373-377

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.685.373

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Online since:

October 2014

Authors:

Feng Long Shen*, Ke Long Yu, Wang Yang Yu, Chong Ze Jiao

Keywords:

Decoupling, Mathematical Models, Three-Phase Asynchronous Motor, Vector Control

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* - Corresponding Author

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