一种改进型隔离式四开关三电平软开关半桥DC-DC变换器

This article proposes an improved isolated four-switch three-level half-bridge dc–dc converter suitable for high-input-voltage applications. The primary switches operate under zero voltage switching (ZVS) for a wide load range, which is accomplished by the inclusion of an auxiliary inductance in the circuit. In addition, the conditions necessary to ensure zero current switching (ZCS) for the outpu...