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Control simulation studies for switched reluctance motor system based on finite element model

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4 Author(s)
Jingjun Zhang ; Heibei Univ. of Eng., Handan ; Haijun Zhang ; Ruizhen Gao ; Lili Wang

In this paper, the control simulator SIMULINK is used to model and simulate the switched reluctance motor drive system based on finite element model. This uses the accuracy of finite element method and the rapidity of control simulator to analyze the nonlinear characteristics and dynamic characteristics of motor, where the geometry structure, electromagnetic parameters, outside drive circuit and control circuit are simulated and studied as a whole. Here, the design to control and static to dynamic performance of motor are considered through data transferring from ANSYS to SIMULINK. The target is to build a fast and accurate nonlinear system simulation environment which can be useful for future optimal studies such as torque ripple, vibration, noise problems and so on. In the end, a simulation experiment is taken for a prototype motor under chopped current wave control (CCC) strategy and angle position control (APC) during low speed and high speed respectively. Besides, the influence degree of shutoff angle thetasoff to torque ripple is analyzed under two control strategy. The results of simulation are corresponding with theoretical analysis, which validate the effective of the finite element model and control model. The results show that the torque ripple coefficient is reduced to about one quarter of initial simulation by selecting an appropriate shutoff angle, and an optimized value of shutoff angle can get the minimize torque ripple.

Published in:

Power Electronics, Machines and Drives, 2008. PEMD 2008. 4th IET Conference on

Date of Conference:

2-4 April 2008