多端口双向转换器用于电动汽车的车外充电站
Hazem H Mostafa1, Amr M Ibrahim2,3, Fathy Z Amer4
1Energy and Renewable Energy Department, Faculty of Engineering, Egyptian Chinese University, Cairo, Egypt. hhossam@ecu.edu.eg.
Scientific reports
|October 16, 2025
概括
通过整合可再生能源,两种新的多端口双向转换器通过整合可再生能源来增强车外电动汽车 (EV) 充电站. 提升-提升-提升 (BBB) 转换器比提升-提升-SEPIC (BBS) 转换器提供更高的效率和更少的组件.
科学领域:
- 电气工程 电气工程
- 电力电子 电力电子 电力电子
- 整合可再生能源的整合
背景情况:
- 车外电动汽车 (EV) 充电站需要高效的功率转换解决方案.
- 将光伏等可再生能源与电网电力相结合,对于可持续的电动汽车充电至关重要.
研究的目的:
- 为电动汽车充电站提出和分析两个新的多端口双向转换器.
- 为了比较拟议中的Boost-Boost-Buckboost (BBB) 和Boost-Boost-SEPIC (BBS) 转换器的性能.
主要方法:
- 在不间断电流模式下进行理论分析和模拟.
- 在四种操作模式中实现和测试一个原型BBB转换器.
- 小信号分析和动态负载响应研究.
主要成果:
- 这两种转换器在四种模式中都显示出高收益:光伏到车辆 (PV2V),电网到车辆 (G2V),车辆到电网 (V2G) 和光伏到电网 (PV2G).
- 与BBS转换器相比,BBB转换器表现出更高的效率 (高达94.3%) 和更低的部件数量.
- 原型测试证实了所有模式的操作电压,BBB转换器显示了边际稳定性,需要控制算法.
结论:
- 拟议的BBB转换器是多端口,双向电动汽车充电站的优越解决方案,因为其高效率,多种操作模式和集成能力.
- 建议进一步开发控制算法,以解决在BBB转换器中观察到的边际稳定性.
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