← 返回

一种采用双/三移相控制的高效率高功率密度三相电动汽车电池充电器

A Modular-Designed Three-Phase High-Efficiency High-Power-Density EV Battery Charger Using Dual/Triple-Phase-Shift Control

语言:

中文摘要

本文构建了一款基于增强型氮化镓(GaN)高电子迁移率晶体管(HEMT)的7.2kW单相充电器模块。通过将三个此类模块连接至三相电网,实现了总功率约22kW的三相充电系统。该系统效率超过97%,功率密度超过3.3kW/L,性能优于现有的硅基充电器。

English Abstract

In this paper, an enhancement-mode GaN high-electron mobility transistor (HEMT)-based 7.2-kW single-phase charger was built. Connecting three such single-phase modules to the three-phase grid, respectively, generates a three-phase ∼22-kW charger with the $>{\text{97}}\% $ efficiency and $>{\text{3.3}}-{\rm{kW}/ \rm{L}}$ power density, superior to present Si-device-based chargers. In addition to G...
S

SunView 深度解读

该研究采用的GaN功率器件及模块化设计方案,对阳光电源电动汽车充电桩产品线具有重要参考价值。高功率密度和高效率是充电桩市场的核心竞争力,通过引入GaN宽禁带半导体技术,可显著缩小设备体积并降低散热成本。建议研发团队关注该拓扑在直流快充桩中的应用潜力,特别是在提升模块化充电功率密度方面,以优化阳光电源充电桩产品的市场竞争力,并为未来向更高电压平台演进提供技术储备。