In this paper, a non-isolated DC–DC converter with three-winding coupled inductors and switched capacitor cells is introduced. More output voltage is acquired without imposing any extreme duty cycle and high turns ratio. With the help of a two-phase interleaved technique, the input current ripple is reduced efficiently. The leakage inductance of coupled inductors causes the reverse recovery problem of circuit diodes to be solved and alleviates them. Leakage energy is also absorbed by switched capacitor cells. One of the advantages of this converter is the reduction of voltage stress of power switches, which leads to a reduction in conduction losses. In this way, low-voltage rated power switches can be used. Creating soft-switching conditions on power switches and high efficiency are also the prominent features of this structure. Laboratory and experimental results were produced and presented by making a prototype of 350 W-15 V/400 V. Their analysis indicates the effective performance of the proposed topology.

本文介绍了一种具有三绕组耦合电感和开关电容单元的非隔离式 DC-DC 转换器。无需施加任何极端占空比和高匝数比即可获得更多输出电压。借助两相交错技术，可以有效降低输入电流纹波。耦合电感的漏感导致电路二极管的反向恢复问题得到解决和缓解。泄漏能量也被开关电容器单元吸收。该转换器的优点之一是降低了功率开关的电压应力，从而降低了传导损耗。这样，就可以使用低压额定功率开关。在功率开关上创造软开关条件和高效率也是这种结构的突出特点。