Designing microgenerator with Ansoft Maxwell

AI Thread Summary
The discussion focuses on designing a magnetic spring for an energy harvester using Ansoft Maxwell, with specific challenges related to the force vs. displacement curve of the moving magnet and calculating output power from the winding. The goal is to achieve the highest linearity in the force-displacement curve to enhance power output. A user seeks assistance as a beginner with Ansoft Maxwell, highlighting the need for guidance on these technical aspects. Another participant suggests a relevant paper that could provide insights into designing a linearized magnetic spring. The conversation emphasizes the importance of optimizing the design for effective energy harvesting.
jahedcuet
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I am designing an energy harvester consisting of a magnetic spring.
The figure is given in the attachment.
I have done the magnetostatic analysis (using Ansoft Maxwell 2D). But, now I am facing problem with -
  • Force vs displacement curve of the moving magnet
  • To calculate the output power (Voltage+current) from the winding arround the magnetic spring

I need to design a magnetic spring with highest linearity (linear force-displacement curve) and to get better power output from the winding.
I am beginner with ansoft maxwell. Can anyone help me in this regard?

Thanks
 

Attachments

  • Magnetic_spring.PNG
    Magnetic_spring.PNG
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  • Energy harvester.png
    Energy harvester.png
    16.7 KB · Views: 723
  • Harvester_cross_section_in_RZ_plane.PNG
    Harvester_cross_section_in_RZ_plane.PNG
    729 bytes · Views: 675
Engineering news on Phys.org
I have also a similar problem with Ansoft Maxwell !
 
This paper 'Design of a linearized magnetic spring for body-worn inertial energy harvesters' may help you out.
Thanks.
 

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