In this application note, a proposed electromagnetic levitation system model in a semi-high-speed maglev train is analyzed using EMWorks2D [1]. EMWorks2D is a 2D electromagnetic simulation software provided by EMWorks.

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APPLICATION NOTE


2D Simulation of a magnetic levitation system used in semi-high-speed maglev train

In this application note, a proposed electromagnetic levitation system model in a semi-high-speed maglev train is analyzed using EMWorks2D [1]. EMWorks2D is a 2D electromagnetic simulation software provided by EMWorks. 

The proposed model consists of a Type F rail, levitation electromagnets, and guidance electromagnets [1]. The levitation magnets are used to lift off the vehicle from the ground to a specific position in the free space, while the guidance magnets are used to center the vehicle above the rail and eliminate any lateral displacement. The ferromagnetic components are made of steel 1010, while the windings are made of copper.  More Details

 
 

BLOGS NOTE


Why 2D? 

The world is 3D.  It is even 4D if you include the time dimension! Yet, 2D simulation software is still popular despite the abundance of computer resources.  Why? It is simple.  Because some 3D problems are invariant in longitudinal direction or axisymmetric.  In such case, the results are identical at any 2D cross section.  So why “waste” computer resources on the third dimension.  It makes more sense to use such resources on getting higher resolution for the 2D cross section.  In addition, the solution time taken by 2D simulation is orders of magnitude less than 3D.

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What is the power handling capacity of an electronic product?  

Simply put, it is the power level that a device can support before it fails. Generally speaking, the average and peak powers determine the power handling capacity of the product. Failure can occur abruptly due to dielectric breakdown that results in arcing, or it can happen more slowly due to thermal runway heating. To protect against such failures, systems are usually designed with a safety margin such that they operate in a dynamic range well below the damaging power levels.

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