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A demonstration of filter inductor design for boost converters, design of the coupled inductor for a two-output forward converter, and the design of flyback transformer in continuous conduction mode.
The filter inductor in the converter circuit is operated in a small B-H loop region as compared to the wide region for the conventional transformer. The area of B-H loop is proportional to the total current ripple in the inductor. The core losses are negligible, according to the minor B-H loop area. On the other hand, copper loss depends on the DC current flowing through inductor. The same curve is also applicable in the case of coupled inductor. Design is majorly constrained by the copper loss and the saturation condition of the filter inductor.
Albert Palau Llort
2017/2/1 11:58:39
Very helpful and valuable.