发电技术 ›› 2025, Vol. 46 ›› Issue (1): 31-41.DOI: 10.12096/j.2096-4528.pgt.24090
崔露1, 刘世林1,2, 苗婉1, 王青1
收稿日期:
2024-05-20
修回日期:
2024-06-25
出版日期:
2025-02-28
发布日期:
2025-02-27
作者简介:
基金资助:
Lu CUI1, Shilin LIU1,2, Wan MIAO1, Qing WANG1
Received:
2024-05-20
Revised:
2024-06-25
Published:
2025-02-28
Online:
2025-02-27
Supported by:
摘要:
目的 为兼顾新能源汽车的充能需求,同时促进可再生能源消纳,提出一种考虑电转氢和需求响应的风光储综合充能站优化运行策略。 方法 首先,基于Logistic函数响应机理构建充能站售电价格优化模型,并采用非支配排序遗传算法(non-dominated sorting genetic algorithm Ⅱ,NSGA-Ⅱ)求解,从而引导用户充电负荷合理转移;其次,基于优化后的售电价格和负荷分布情况,综合考虑充能站购能成本、运维成本及功率平衡等相关约束,以日运行成本最小为目标函数,建立含电转氢装置的风光储综合充能站优化运行模型;最后,在MATLAB平台上开展仿真研究。 结果 考虑电转氢和需求响应后,充能站日运行成本降低了34.74%,风、光消纳率分别提高了25.84%和61.60%。 结论 通过实施电转氢和需求响应措施,能够明显降低综合充能站的运行成本,同时提高风光的消纳能力。
中图分类号:
崔露, 刘世林, 苗婉, 王青. 考虑电转氢和需求响应的风光储综合充能站优化运行策略[J]. 发电技术, 2025, 46(1): 31-41.
Lu CUI, Shilin LIU, Wan MIAO, Qing WANG. Optimized Operation Strategy of Wind-Solar-Storage Integrated Charging Station Considering Power-to-Hydrogen and Demand Response[J]. Power Generation Technology, 2025, 46(1): 31-41.
时段 | 时段划分 | 电价/[元/(kW⋅h)] |
---|---|---|
峰时段 | 15:00—21:00 | 1.45 |
平时段 | 11:00—14:00 22:00—23:00 | 1.30 |
谷时段 | 24:00—10:00 | 1.00 |
表1 传统峰谷分时电价参数
Tab. 1 Parameters of traditional peak-valley time-of-use electricity price
时段 | 时段划分 | 电价/[元/(kW⋅h)] |
---|---|---|
峰时段 | 15:00—21:00 | 1.45 |
平时段 | 11:00—14:00 22:00—23:00 | 1.30 |
谷时段 | 24:00—10:00 | 1.00 |
运维系数 | 参数值 |
---|---|
0.05 | |
0.07 | |
0.15 | |
0.05 | |
0.05 |
表2 设备的运维系数
Tab. 2 Operation and maintenance coefficients of equipment
运维系数 | 参数值 |
---|---|
0.05 | |
0.07 | |
0.15 | |
0.05 | |
0.05 |
设备 | 容量 | 充放功率上限 | 容量下限约束/% | 容量上限约束/% | 充放效率/% |
---|---|---|---|---|---|
电储 | 250 kW⋅h | 125 kW | 20 | 90 | 95 |
氢储 | 200 m3 | 100 m3/h | 20 | 90 | 95 |
表3 各储能设备参数
Tab. 3 Parameters of each energy storage device
设备 | 容量 | 充放功率上限 | 容量下限约束/% | 容量上限约束/% | 充放效率/% |
---|---|---|---|---|---|
电储 | 250 kW⋅h | 125 kW | 20 | 90 | 95 |
氢储 | 200 m3 | 100 m3/h | 20 | 90 | 95 |
时段 | 时段划分 | 价格/[元/(kW⋅h)] |
---|---|---|
谷时段 | 00:00—07:00 | 0.334 2 |
平时段 | 08:00—10:00;16:00—18:00; 22:00—23:00 | 0.634 6 |
峰时段 | 11:00—15:00 19:00—21:00 | 0.944 0 |
表4 电网分时电价
Tab. 4 Time-of-use electricity price of the grid
时段 | 时段划分 | 价格/[元/(kW⋅h)] |
---|---|---|
谷时段 | 00:00—07:00 | 0.334 2 |
平时段 | 08:00—10:00;16:00—18:00; 22:00—23:00 | 0.634 6 |
峰时段 | 11:00—15:00 19:00—21:00 | 0.944 0 |
情景 | 负荷波动率 | 平均电价/[元/(kW⋅h)] | 电车用户充电费用/元 |
---|---|---|---|
1 | 1.817 0 | 1.35 | 1 230.73 |
2 | 1.780 0 | 1.21 | 1 268.72 |
3 | 1.802 8 | 1.19 | 1 231.00 |
表5 用户需求响应结果对比
Tab. 5 Comparison of user demand response results
情景 | 负荷波动率 | 平均电价/[元/(kW⋅h)] | 电车用户充电费用/元 |
---|---|---|---|
1 | 1.817 0 | 1.35 | 1 230.73 |
2 | 1.780 0 | 1.21 | 1 268.72 |
3 | 1.802 8 | 1.19 | 1 231.00 |
项目 | 场景1 | 场景2 | 场景3 |
---|---|---|---|
购电费用 | 0 | 562.82 | 382.23 |
购氢费用 | 1 088.66 | 0 | 0 |
设备运维费用 | 64.22 | 356.57 | 370.10 |
售电收益 | 1 230.73 | 1 230.73 | 1 231.00 |
售氢收益 | 1 687.42 | 1 687.42 | 1 687.42 |
日运行成本 | 1 152.87 | 919.39 | 752.33 |
售能收益 | 2 918.15 | 2 918.15 | 2 918.42 |
表6 各场景下充能站的运行费用 (元)
Tab. 6 Operational costs of energy charging stations in different scenarios
项目 | 场景1 | 场景2 | 场景3 |
---|---|---|---|
购电费用 | 0 | 562.82 | 382.23 |
购氢费用 | 1 088.66 | 0 | 0 |
设备运维费用 | 64.22 | 356.57 | 370.10 |
售电收益 | 1 230.73 | 1 230.73 | 1 231.00 |
售氢收益 | 1 687.42 | 1 687.42 | 1 687.42 |
日运行成本 | 1 152.87 | 919.39 | 752.33 |
售能收益 | 2 918.15 | 2 918.15 | 2 918.42 |
项目 | 场景1 | 场景2 | 场景3 |
---|---|---|---|
风机发电量/(kW⋅h) | 940.20 | 940.20 | 940.20 |
弃风量/(kW⋅h) | 276.04 | 53.60 | 33.10 |
光伏发电量/(kW⋅h) | 1 123.50 | 1 123.50 | 1 123.50 |
弃光量/(kW⋅h) | 862.85 | 334.02 | 170.77 |
风电消纳率/% | 70.64 | 94.30 | 96.48 |
光伏消纳率/% | 23.20 | 70.27 | 84.80 |
表7 各场景下风光利用情况
Tab. 7 Wind and solar utilization in different scenarios
项目 | 场景1 | 场景2 | 场景3 |
---|---|---|---|
风机发电量/(kW⋅h) | 940.20 | 940.20 | 940.20 |
弃风量/(kW⋅h) | 276.04 | 53.60 | 33.10 |
光伏发电量/(kW⋅h) | 1 123.50 | 1 123.50 | 1 123.50 |
弃光量/(kW⋅h) | 862.85 | 334.02 | 170.77 |
风电消纳率/% | 70.64 | 94.30 | 96.48 |
光伏消纳率/% | 23.20 | 70.27 | 84.80 |
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