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What is the impact of gap loss on AC resistance of inductor windings?

April 26, 2017AC gap impact INDUCTOR loss resistance windings

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What is the impact of gap loss on AC resistance of inductor windings?

1 Answer

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10 Posted

Air Gaps result in flux fringing which cause eddy currents in laminations and in the wire. Eddy current losses in the windings are available using the Apply using fields button. There is no built-in mechanism to calculate eddy current losses in the lamination; however the documentation cites an example for calculating gap loss in laminations. This can be included, along with many other calculations, using the user defined equations feature of Magnetics Designer.