具有双输出整流器、双输入直流变压器及电压分割/Sigma原理的单相AC-DC变换器

A single-phase ac-dc converter with dual-output rectifier (DOR) and dual-input dc transformer (DI-DCX) is proposed in this paper. A voltage-split/sigma principle is adopted, that is, the grid voltage is split into two variable dc bus voltages first by the front-stage DOR, and then the two bus voltages are combined into an adjustable output voltage by the downstream DI-DCX. DC output voltage is dir...