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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...
This paper presents an approach for performing the hardware-in-the-loop simulation of PWM-based drive utilizing the physics-based phase variable machine model to represent the actual machine. A 6-pole 2 hp permanent magnet synchronous machine is used as an example. The physics-based phase variable model of the sample machines is built with parameters (inductances, flux linkages, and the cogging torque)...
This paper presents an experimental approach for the verification of the physics-based phase variable model of electric machines developed using the parameters obtained from FE solutions. The experimental verification was performed through simultaneous simulation of the PM machine drive using the actual machine - a hardware-in-the-loop real time simulation approach and the physics-based phase variable...
This paper presents a procedure using the finite-element (FE)-based phase variable model combined with wavelet analysis to facilitate the fault diagnostic study for permanent magnet machines with internal short circuit faults. Our efforts are dedicated to the aspects of fault modeling and fault extraction. The FE-based phase variable model is developed to describe the PM machine with internal short...
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...
This paper presents a simulation method for studying the fault diagnosis of electric machines. The internal short circuit fault of PM machines is used as an example. A FE-based phase variable model is proposed to describe the PM machines with internal short circuit faults. The FE-based model is built using the solutions obtained from the FE modeling of the machine with the same fault. Such a model...
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