#7650. Soft-switching non-isolated high step-up three-level boost converter using single magnetic element

October 2026publication date
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Electrical and Electronic Engineering;
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Abstract:
Here, a soft switched three-level boost converter with high voltage gain is proposed which is suitable for high step-up applications with wide output power range. In this converter, a ZVT auxiliary circuit is used which provides soft switching in a wide range of output power independent of load variation. Utilizing coupled-inductors with one magnetic core removes extra auxiliary core in the soft switching circuit and provides high voltage gain in conjunction with size reduction.
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