增强的CPCV算法,以提高电动汽车电池充电中的功率质量
Arvind R Singh1, B Jyothi2, Boya Anil Kumar3
1Department of Electrical Engineering, School of Physics and Electronic Engineering, Hanjiang Normal University, Hubei Shiyan, 442000, P. R. China.
Scientific reports
|July 4, 2025
概括
新的恒定功率恒定电压 (CPCV) 充电算法大大减少了电动汽车 (EV) 充电期间的波扭曲和能量损失. 这种创新方法提高了电力质量和效率,解决了电动汽车与电网整合的关键挑战.
科学领域:
- 电气工程 电气工程
- 电力系统分析 分析 分析
- 整合可再生能源的整合
背景情况:
- 将电动汽车 (EV) 集成到电网中,由于电池充电造成的波扭曲,在维持电力质量 (PQ) 方面存在挑战.
- 常规的充电算法,如恒定电流恒定电压 (CCCV),通常会导致高总波扭曲 (THD) 和降低系统效率.
研究的目的:
- 为电动汽车引入和评估恒定功率恒定电压 (CPCV) 充电算法.
- 与CCCV相比,评估CPCV算法的有效性,以减轻波扭曲和提高功率质量.
主要方法:
- 模拟使用三个不同的电动汽车模型进行:特斯拉Model 3,比亚迪ATTO 3和起亚EV3长距离.
- 在各种充电条件下,CPCV算法的性能与传统的CCCV方法进行了比较.
主要成果:
- CPCV算法证明了THD的显著降低,对于第3,第5和第7波的值低至0.41%.
- 与CCCV (3.85 kWh至5.89 kWh) 相比,CPCV (2.72 kWh至3.51 kWh) 的能量损失明显较低.
- CPCV确保了近乎恒定的功率系数,提高了整体充电效率.
结论:
- CPCV算法有效地提高了电源质量,并减少了电动汽车充电中的能量损失.
- 通过解决波扭曲,CPCV促进了电动汽车更顺利地融入发电系统.
- 这种算法为可持续和可靠的电动汽车充电基础设施提供了一个有希望的解决方案.
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