汽车工程 ›› 2024, Vol. 46 ›› Issue (6): 1045-1053.doi: 10.19562/j.chinasae.qcgc.2024.06.011
收稿日期:
2023-12-21
修回日期:
2024-02-01
出版日期:
2024-06-25
发布日期:
2024-06-19
通讯作者:
马龙飞
E-mail:malongfei19870@163.com
基金资助:
Longfei Ma(),Baoqun Zhang,Liyong Wang,Jiani Zeng,Ran Jiao,Cheng Gong
Received:
2023-12-21
Revised:
2024-02-01
Online:
2024-06-25
Published:
2024-06-19
Contact:
Longfei Ma
E-mail:malongfei19870@163.com
摘要:
针对电动汽车接入微电网后负荷峰值会显著增加,使得峰谷差提升,从而影响微电网的稳定运行的问题,提出基于数字孪生混合储能的电动汽车参与微电网负荷功率波动平抑方法。通过计算电动汽车初始荷电状态和电动汽车离网时间,分析电动汽车负荷特性;将数字孪生技术和微电网混合储能系统相结合,构建数字孪生混合储能模型,结合电动汽车负荷特性结果,构建负荷功率波动平抑目标函数,实现负荷功率波动一次控制;通过HESSS自调节二次修正负荷功率,完成电动汽车参与微电网负荷功率波动平抑。测试结果显示:在该方法应用下负荷功率的波动情况均在20~60 kW之间,微电网供电不足概率结果均低于33%,典型日和非典型日中电力负荷峰谷差的结果均在44%以下。由此说明该方法能够分析电动汽车在不同的状态下的荷电状态,可有效实现微电网负荷功率平抑。
马龙飞,张宝群,王立永,曾佳妮,焦然,宫成. 基于数字孪生混合储能的电动汽车参与微电网负荷功率波动平抑研究[J]. 汽车工程, 2024, 46(6): 1045-1053.
Longfei Ma,Baoqun Zhang,Liyong Wang,Jiani Zeng,Ran Jiao,Cheng Gong. Research on Participation of Electric Vehicles in Microgrid Load Power Fluctuation Mitigation Based on Digital Twin Hybrid Energy Storage[J]. Automotive Engineering, 2024, 46(6): 1045-1053.
表3
电力负荷峰谷差变化结果 (%)"
输出功 率/kW | 典型日 | 非典型日 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
原始波动 | 文献[ | 文献[ | 文献[ | 本文方法 | 原始波动 | 文献[ | 文献[ | 文献[ | 本文方法 | |
200 | 80.2 | 69.4 | 59.6 | 56.8 | 41.8 | 68.1 | 56.2 | 51.2 | 47.5 | 35.2 |
400 | 77.6 | 65.1 | 57.2 | 58.5 | 42.5 | 70.2 | 53.0 | 54.0 | 46.3 | 33.7 |
600 | 79.5 | 61.3 | 60.3 | 64.2 | 43.1 | 69.3 | 54.6 | 56.3 | 50.2 | 34.1 |
800 | 81.3 | 56.4 | 51.6 | 60.3 | 41.7 | 71.4 | 52.7 | 49.6 | 46.9 | 35.6 |
1 000 | 78.2 | 63.4 | 56.2 | 60.2 | 43.6 | 66.8 | 56.2 | 49.2 | 48.0 | 34.4 |
1 200 | 77.7 | 56.2 | 54.3 | 57.9 | 42.8 | 67.3 | 54.6 | 50.1 | 49.6 | 33.7 |
1 400 | 76.9 | 56.1 | 54.2 | 54.6 | 40.7 | 69.4 | 58.3 | 50.8 | 52.1 | 35.9 |
1 600 | 78.2 | 60.4 | 59.6 | 53.0 | 41.9 | 71.2 | 59.4 | 48.2 | 53.2 | 33.7 |
1 800 | 79.3 | 63.1 | 54.8 | 58.1 | 42.2 | 70.6 | 55.2 | 49.6 | 49.6 | 32.9 |
2 000 | 80.1 | 59.7 | 57.2 | 56.7 | 43.3 | 69.7 | 54.9 | 51.9 | 47.9 | 35.1 |
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