Abstract
Abstract In the maglev system, the long stator linear motor provides power for the train, and electromagnetic disturbance will be generated during the operation of the motor, which will interfere with other equipment. In this paper, the influence of linear motors on the electromagnetic environment inside the train is analyzed by the finite element method, and the magnetic field intensity inside the train under two different working conditions is obtained by software simulation. It is found that under normal working conditions, the magnetic field radiation emission of the linear motor meets the requirements. Under phase absence conditions, the overall magnetic field intensity on the left side of the car body, the center of the axis, and the right side increases by 12 dB, 17 dB, and 19 dB respectively, so it is necessary to avoid such a situation. This paper further proposes that the external radiation emission of the vehicle can be improved through shielding.
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