Magnetics

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Magnetics

• Courtesy of Dr. Slobodan Cuk

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P
L N2 P
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Finally,
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From reluctance model
so
and
so
Uniform Flux
assumed
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hence
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(material)
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(1)
(2)
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core geometry (m5) geometrical parameters only
electrical and magnetic parmaters
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From Faradays Law
From Amperes Law
Assuming core with extremely steep B-H loop
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Intuitive argument
Proportional
AREA PRODUCT Ap To fully utilize the core
capability
(1)
(square wave, V1 primary, V2 - second)
To fully utilize window area
(2)
Substitution of (1) in (2) and rearranging
(3)
OR
(4)
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