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Minimal-length windings for reduction of copper power losses in magnetic elements

  • US 20090302986A1
  • Filed: 06/10/2008
  • Published: 12/10/2009
  • Est. Priority Date: 06/10/2008
  • Status: Abandoned Application
First Claim
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1. A method to minimize copper losses in magnetics of at least one winding turn, the method comprising the minimization of the length of the said at least one turn by winding a continuous copper foil of a specific geometrical design at least one turn over a ferromagnetic core with the surface of the foil parallel to the surface of the core, so as to achieve a winding turn-length quasi-equal to the length of the core cross-section perimeter, effectively surrounding the entire cross-sectional area of the ferromagnetic core.

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