ANSYS Based Simulation of Single and Double Coil Axial Active Magnetic Bearing using Finite Element Method
Jonathan Laldingliana1, Pabitra Kumar Biswas2

1Jonathan Laldingliana, EEE Department, National Institute of Technology Mizoram, Aizawl, Mizoram, India
2Pabitra Kumar Biswas, EEE Department, National Institute of Technology Mizoram, Aizawl, Mizoram, India.
Manuscript received on January 26, 2020. | Revised Manuscript received on February 05, 2020. | Manuscript published on February 30, 2020. | PP: 2594-2598 | Volume-9 Issue-3, February 2020. | Retrieval Number: C5982029320 /2020©BEIESP | DOI: 10.35940/ijeat.C5982.029320
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Abstract: For the successful design of an AMB system, proper material selection and actuator design is a must. The strength of the magnetic force depends upon the current density of the winding, actuator dimension and the gap between the actuator and the rotor. This paper presents the design of a U-O type single-actuator and a double-actuator Active Magnetic Bearing (AMB) utilizing ANSYS Maxwell 17.1 software. In double actuator AMB the actuators are placed at 180 degrees apart. In this study, Finite Element Method (FEM) based simulation has been performed for two different structures and their magnetic properties for instance- flux pattern, force, flux density and inductance are obtained for various air-gaps. Analysis has also been done with the change in current density by varying in the coil turns. The comparative results of single and double coil AMB are illustrated in 2-D and 3-D plots.
Keywords: Electromagnetic field, flux pattern, active magnetic bearing (AMB), finite element method (FEM), ANSYS Maxwell.