Modelling and Simulation of Direct Torque Controlled SPMSM Drive Incorporating Magnetic Saturation Saliency

Publisher:
IOS Press
Publication Type:
Journal Article
Citation:
International Journal Of Applied Electromagnetics And Mechanics, 2010, 33 (1-2), pp. 473 - 479
Issue Date:
2010-01
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In this paper a comprehensive nonlinear model of surface mounted permanent magnet synchronous machine (SPMSM) is proposed considering both the structural and the saturation saliencies to enable the numerical simulation of new rotor position detection algorithms. An experiment platform is carried out to test and collect the incremental inductance values varying again the stator current levels and the rotor position. The Least Relative Residual Sum of Square (LRRSS) method is employed in the nonlinear inductance function regression. After experimentally identifying out all the parameters, a nonlinear mathematic model of SPMSMis built up. Furthermore, the direct torque control (DTC) scheme is applied to this new model to verify the model and simulate the machine performance.
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