The inductive repulsion system (IRS) is a fast acting electromechanical system, in which the electromagnetic phenomena strongly coupling with the mechanical motion. This paper proposes a numerical model that can be used to analyze the IRS with circular coils. The IRS was treated as an equivalent electrical circuit system by discretizing the metal conductor into sub-conductors. The effects of variation of the linkage flux and the mutual inductances caused by the motion/deformation of the conductor were considered. So the two-way coupled electromagnetic–mechanical simulation can be achieved. The distribution of the eddy current and the magnetic flux densities can be predicted with the model. To examine the model, two numerical examples: TEAM workshop problem 28 and an electromagnetic induction system were computed. We observed a good agreement between the simulation results and the experimental data shown in literatures. The effectiveness, precision, and versatility of the model were verified.
A Coupled Electromagnetic-Mechanical Analysis Model for Inductive Repulsion System with Circular Coils
2021-07-16
3866397 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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