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拓扑与电路 PFC整流 PWM控制 充电桩 三相逆变器 ★ 4.0

一种用于三相准两级Buck型整流器的带零序电压注入的载波基两相钳位DPWM策略

A Carrier-Based Two-Phase-Clamped DPWM Strategy With Zero-Sequence Voltage Injection for Three-Phase Quasi-Two-Stage Buck-Type Rectifiers

语言:

中文摘要

三相Buck型整流器具备降压AC-DC转换功能,是380V以上电网接入的电动汽车充电桩及通信系统的理想方案。传统级联式Boost+Buck架构存在效率瓶颈,本文提出一种新型载波基两相钳位DPWM策略,通过注入零序电压优化开关损耗,提升系统效率与功率密度。

English Abstract

A three-phase buck-type rectifier features a step-down ac–dc conversion function, which is considered as a prominent solution for electric vehicle chargers and telecommunication systems integrated to the grid above 380 V line to line. However, traditional solutions for those applications employ cascaded architectures with an ac–dc boost-type stage and a dc–dc buck-type stage, which may suffer from...
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SunView 深度解读

该技术主要应用于电动汽车充电桩领域,通过优化Buck型整流器的调制策略,可显著降低开关损耗并提升功率密度。阳光电源的充电桩产品线(如直流快充桩)正向高效率、小型化方向发展,该拓扑及控制策略能有效提升整机转换效率,降低散热成本。建议研发团队评估该两相钳位DPWM策略在现有充电模块中的可行性,以进一步增强产品在高性能充电市场的竞争力。