Theoretical Analysis of a Magnetic Shielding System Combining Active and Passive Modes
Qingzhi Meng,
Zelin Wang,
Qijing Lin
et al.
Abstract:Considering the magnetic shielding requirements of both geomagnetic field and 50 Hz power-line frequency in the complex working conditions of the power grid, an electromagnetic shielding system combining active and passive modes is proposed in this article. A three-dimensional Helmholtz coil with a magnetic shielding barrel nested inside is established by the COMSOL simulation tool, and the magnetic shielding efficiency of the system is analyzed. Comparing different materials, the simulation results indicate t… Show more
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