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The physics-based phase variable model of permanent magnet synchronous machines is developed for the simulation study of machine control. The parameters of the physics-based phase variable model, inductances and flux linkages are calculated from the solutions of nonlinear FE computation covering a complete AC cycle to consider the geometry details, the rotor position, the armature currents, and the...
This paper presents an approach to realize an equivalent hardware representation of PM synchronous machines through a physics-based machine model for hardware-in-the-loop simulation of PWM drives. The equivalent hardware representation of the machine is achieved using a controllable load. The load current is controlled to be the same as the currents obtained over the physics-based model of the machine...
The study of sensorless control of PM synchronous machines at low speed or at standstill requires a machine model which includes highly detailed and accurate information on the saliency. To meet these requirements, the physics-based phase variable model previously developed by these authors is improved here by including the inductance variations with the armature currents. As a result, the improved...
An FE-based physical phase variable model is proposed for PM machines under stator short-circuit faults. The parameters of the proposed model, inductances and back EMFs are determined using the FE-circuit coupled computation of the machine under the same type of fault. The parameters obtained include information on the fault location and the number of turns involved, in addition to the space harmonics...
This paper presents the development of the FE-based physical phase variable models for electric machines. Our results show that the developed FE-based phase variable models provide the same accuracy as the full FE model but with much faster simulation speed. These models are necessary for the study of new control strategies to facilitate dynamic simulation in an industrial environment. The FE-based...
An improved FE-based phase variable model for PM synchronous machines is developed. The developed model can be used dynamically for motor control applications. Previous models, developed earlier by these authors, consider the rotor position dependence of the inductances and the flux linkage due to the permanent magnets. In the improved model, the effect of core loss as well as its variation with the...
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