Chuprina N.V., Pugachev A.A. Simulation of Traction Permanent Magnet Synchronous Motor Vector Control System

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Abstract

There is a strong trend in the AC electric drives for the vast implementation of different kind of synchronous motors for the last decades. The brief survey of researches and investigations has shown that the most suitable and feasible type of synchronous motor for the traction purpose in the railway vehicles is a permanent magnet synchronous motor (PMSM). Based upon the analyses of AC electric motors control systems, one can conclude that the vector control system satisfies the most requirements for the traction electric drives. The purpose set in the present article is to develop a mathematical model of PMSM electric drive with vector control system. The Matlab software is used for the developed mathematical model verification. To reach the purpose, the techniques of electric drive theory, control systems engineering, analytic and numerical evaluations of algebraic and differential equations, computer simulation are implicated. The equations and topologies of main functional units of electric drive with vector control system are synthesized by means of PMSM equivalent circuit application and Park-Gorev transformations. The relevance of choice for the displacement of d and q axes after Park-Gorev transformation is highlighted. The two-level voltage source inverter controlled by space-vector pulse-width modulation is introduced in the power subsystem of the electric drive. The possibility of vector system control integration in the outer loop controlling the slip or adhesion forces of the railway vehicle traction electric drive is pondered over. The implementation of electric drive with the 133 kW PMSM is shown in details by means of elements from Matlab Simulink library. The basic parameters of the main functional units, including controllers and regulators, depending on type and characteristics of the applied motor are calculated. The results of electric drive simulation in transient modes are presented. The results show the adequacy of developed model. Also, it is obvious that the implementation of PMSM vector control system makes it possible to achieve high-speed performance and precise control of both motor torque and speed.

Keywords

synchronous motor, permanent magnets, vector control system, traction electric drive, equivalent circuit, Park-Gorev transformations, modeling

Nikolay V. Chuprina Postgraduate student, Teaching Assistant, Industrial Electronics and Electrical Engineering Department, Bryansk State Technical University, Russia, Bryansk, This email address is being protected from spambots. You need JavaScript enabled to view it., https://orcid.org/0000-0001-8915-0926

Alexander A. Pugachev D.Sc. (Engineering), Associate Professor, Head of Department, Industrial Electronics and Electrical Engineering Department, Bryansk State Technical University, Russia, Bryansk, This email address is being protected from spambots. You need JavaScript enabled to view it., https://orcid.org/0000-0002-1836-0923

 
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Chuprina N.V., Pugachev A.A. Simulation of Traction Permanent Magnet Synchronous Motor Vector Control System. Elektrotekhnicheskie sistemy i kompleksy [Electrotechnical Systems and Complexes], 2022, no. 2(55), pp. 10-17. (In Russian). https://doi.org/10.18503/2311-8318-2022-2(55)-10-17

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