电动电路接口对微电网中的峰值架和频率调节的影响
Sarika Shrivastava1, Saifullah Khalid2, Dinesh Kumar Nishad3
1Ashoka Institute of Technology & Management, Varanasi, India.
Scientific reports
|December 29, 2024
概括
车辆到电网 (V2G) 技术通过将电动汽车 (EV) 与可再生能源相结合,提高了微电网的稳定性. V2G有效地减少了峰值负载,并改善了频率调节,证明了更大的电动汽车车队的经济可行性.
科学领域:
- 电气工程 电气工程
- 可再生能源系统可再生能源系统
- 智能电网技术 智能电网技术
背景情况:
- 车辆到电网 (V2G) 技术促进了电动汽车 (EV) 和电网之间的双向电力流.
- 微电网提供本地化发电和管理,整合多种能源.
- 电网稳定性的挑战包括频率波动和峰值负载需求.
研究的目的:
- 调查V2G技术对微电网稳定性和负载管理的影响.
- 分析V2G在峰值负载降低和频率调节方面的有效性.
- 评估V2G在微电网环境中实施的经济可行性.
主要方法:
- 模拟使用 MATLAB/Simulink 和 Phasor 模型进行.
- 模拟了一个结合太阳能,风能和柴油发电的微电网系统.
- 分析了五种不同电动汽车车队规模 (20-100辆电动汽车) 的情况.
主要成果:
- 在所有场景中,V2G集成保持了电网频率在59.5-60.5 Hz范围内.
- 包括频率调节在内的最佳性能在100个电动汽车中实现.
- 战略电动汽车排放时间表将晚间的峰值负载从3000千瓦降至2200千瓦.
- 经济分析显示,随着电动汽车车队规模的增加,回报期缩短 (5.2至2.8年),投资回报率提高 (12.5%至23.1%) 和电动汽车车队规模增加.
结论:
- V2G技术是提高微电网稳定性和管理电网负载的可行解决方案.
- 该研究为微电网中V2G部署提供了定量基准.
- 增加电动汽车车队规模显著提高了V2G集成的经济效益.
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