节能且可靠的双闭环直流控制系统,用于智能电动汽车充电基础设施
Jun Li1, Wan Chen2, Xiaoqiong Zhu1
1Huaian Hongneng Group Co. Ltd, Huaian, Jiangsu, China.
PloS one
|December 16, 2024
概括
本研究介绍了一种用于电动汽车 (EV) 充电的新型双闭环直流控制系统,实现高功率因子和效率. 与现有的可持续运输技术相比,该系统表现出卓越的性能.
科学领域:
- 电气工程 电气工程
- 电力电子 电力电子 电力电子
- 控制系统 控制系统
背景情况:
- 智能电动汽车 (EV) 充电基础设施面临着功率因子,波污染和效率方面的挑战.
- 现有的充电技术,如无线充电和双向直流-直流转换器,具有性能限制.
研究的目的:
- 为电动汽车充电提供创新的双闭环直流控制系统.
- 为了应对高功率系数,低波污染和高效率的挑战.
- 为了提高电动汽车充电基础设施的性能.
主要方法:
- 实现一个三级脉冲宽度调制 (PWM) 整流器,采用二极管紧拓和绝缘门双极晶体管 (IGBT).
- 使用双闭环控制策略,内有一个电流循环和外一个电压循环,由PI控制器调节.
- 使用MATLAB/Simulink.进行严格的模拟.
主要成果:
- 实现了0.99的功率系数,1.12%的总波扭曲 (THD) 和95%的效率.
- 与无线充电和双向直流-直流转换器相比,证明了优越的性能指标.
- 双闭环策略确保了快速响应和高稳定状态精度.
结论:
- 拟议的双闭环直流控制系统为电动汽车充电提供了高性能,高效和安全的解决方案.
- 该系统为未来可持续运输和电力系统的进步提供了坚实的经验基础.
- 未来的工作应该集中在增加切换频率,改善反干扰,并提高采样准确度使用计算智能.
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