A Comparison of Three Magnetics Integration Solutions for the Two-Inductor Boost Converter
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The two-inductor boost converter presents significant advantages over other boost topologies but requires three separate magnetic devices. This paper introduces a systematic approach in developing the magnetic integration schemes for the hard-switched two-inductor boost converter. Both the magnetic core integration and the winding integration methods are used. Design equations are explicitly established for the equivalent input and transformer magnetizing inductance values. The theoretical waveforms are provided for all three magnetic integration solutions. Experimental waveforms are also provided for the two solutions that are suited to the hard-switched implementations.
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