一种用于中压直流电网的具有三相模块化串联输出配置的无桥高增益AC/DC变换器

In this article, a novel power factor correction, soft-switched, bridgeless ac-dc converter is presented for step-up voltage conversion in medium voltage dc grid applications. To reduce the number of conversion stages, the proposed bridgeless boost rectifier is integrated with isolated high-frequency step-up resonant converter with voltage multiplier modules to form a single-stage ac-dc step-up co...