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High Frequency Isolated Bus Converter with Gallium Nitride Transistors and Integrated Transformer

Fig. 1.
(a) Traditional single core design.
(b) Original matrix transformer design.
(c) Core simplification combining to single EI core.
(d) Winding rearrangement to cancel AC flux in center leg.
(e) FEA simulation with AC flux cancellation.
(f) FEA simulation without AC flux cancellation.
(a) Traditional single core design.
(b) Original matrix transformer design.
(c) Core simplification combining to single EI core.
(d) Winding rearrangement to cancel AC flux in center leg.
(e) FEA simulation with AC flux cancellation.
(f) FEA simulation without AC flux cancellation.

Fig. 2.
(a) Integrated single core matrix structure with flux cancellation in center leg.
(b) Integrated single core matrix transformer without center leg.
(a) Integrated single core matrix structure with flux cancellation in center leg.
(b) Integrated single core matrix transformer without center leg.
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