Abstract

Abstract To overcome the problems of power transistor passthrough and switching loss in traditional bridge inverters, it is suggested to replace the conventional double Buck inverter with a double Buck inverter that has a buffer inductor placed in the center of the bridge arm with one that has a very modest inductance value. Firstly, a dual inductor single structure of the Buck inverter was examined, and based on this, a dual Buck inverter topology structure based on a buffer inductor was proposed. Then, the application of the sliding mode control strategy in dual Buck inverters based on buffer inductance was elaborated. Ultimately, tests were conducted to confirm the accuracy of the theoretical theory. The proposed dual Buck inverter based on buffer inductance solves the problem of low inductance utilization while retaining high reliability. Compared with single inductance DBI, it has smaller losses and lower control complexity, which has practical application value.

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