考虑共享储能容量衰减的零碳园区优化调度与经济性评估

doi:10.12204/j.issn.1000-7229.2022.12.012

电力建设 ›› 2022, Vol. 43 ›› Issue (12): 112-121.doi: 10.12204/j.issn.1000-7229.2022.12.012

考虑共享储能容量衰减的零碳园区优化调度与经济性评估

冯亮¹(), 鉴庆之¹(), 田浩²^,³^,⁴(), 赵龙¹, 刘蕊¹, 赵二岗³()

1.国网山东省电力公司经济技术研究院,济南市250021
2.北京智中能源互联网研究院有限公司,北京市100176
3.电力系统及发电设备安全控制和仿真国家重点实验室(清华大学电机系),北京市100084
4.无锡学院自动化学院,江苏省无锡市214072

收稿日期:2022-04-13 出版日期:2022-12-01 发布日期:2022-12-06
通讯作者: 田浩 E-mail:243268141@qq.com;zhaoeg10@163.com.cn;tianhao@mail.tsinghua.edu.cn
作者简介:冯亮(1984),男,博士,高级工程师,主要从事能源互联网规划方面的研究工作,E-mail:243268141@qq.com;
鉴庆之(1973),男,硕士,高级工程师,主要从事电力系统规划与运行方面的研究工作;
赵龙(1977),男,硕士,高级工程师,主要从事电力系统规划与运行方面的研究工作;
刘蕊(1993),女,硕士,工程师,主要从事电力系统规划与运行方面的研究工作;
赵二岗(1991),男,硕士,工程师,主要从事电网规划方面的研究工作,E-mail:zhaoeg10@163.com.cn。
基金资助:
国网山东省电力公司科技项目(2020A-007)

Optimal Dispatch and Economic Evaluation of Zero Carbon Park Considering Capacity Attenuation of Shared Energy Storage

FENG Liang¹(), JIAN Qingzhi¹(), TIAN Hao²^,³^,⁴(), ZHAO Long¹, LIU Rui¹, ZHAO Ergang³()

1. Economic & Technology Research Institute of State Grid Shandong Electric Power Company, Jinan 250021, China
2. Beijing Smart China Energy Internet Research Institute Co., Ltd., Beijing 100176, China
3. State Key Laboratory of Power System and Generation Equipment (Tsinghua University), Beijing 100084, China
4. School of Automation, Wuxi University, Wuxi 214072,Jiangsu Province, China

Received:2022-04-13 Online:2022-12-01 Published:2022-12-06
Contact: TIAN Hao E-mail:243268141@qq.com;zhaoeg10@163.com.cn;tianhao@mail.tsinghua.edu.cn
Supported by:
State Grid Shandong Electric Power Company Research Program(2020A-007)

摘要/Abstract

摘要：

新能源发电的随机性与间歇性给电力系统运行与控制带来巨大挑战,储能技术是解决该问题的重要手段之一。聚焦于新背景“零碳园区”与新模式“共享储能”,研究了考虑共享储能容量衰减的零碳园区优化调度与经济性评估。首先,提出了共享储能成本效益分析模型,接着建立了以日运行成本最小为目标,同时考虑共享储能服务与电网购电的优化调度模型,然后,提出了经济性评估指标。在算例分析中考虑无配置储能电站、自配储能电站、共享储能电站三种配置方案,以及新电池与退役电池两种选型方案,充分对比了各方案下优化调度与经济性评估结果,并分析了各方案下的场景适用性。最后,通过敏感性分析突出共享储能服务价格对其经济性的影响,并给出服务价格的建议取值。算例结果验证了共享储能电站的经济性优于其他方案。此外,退役电池性能虽低于新电池,但成本较低,参与调度的经济性更好。

关键词: 共享储能, 优化调度, 退役电池, 经济性评估, 容量衰减

Abstract:

Renewable energy generation has a strong random and intermittent nature, which poses a great challenge to power system operation and control. Energy storage is one of the most important means to solve this problem. This paper focuses on the new background of zero-carbon park and the new economic model of shared energy storage, and conducts a study on the optimal dispatch and economic evaluation of zero-carbon park considering the capacity attenuation of shared energy storage. Firstly, the cost-benefit model of zero-carbon park is established, which takes the operation cost as the optimization objective. Then, an economic evaluation index of shared energy storage is put forward. Afterwards, three allocation options, namely, no energy storage, self-assigned energy storage and shared energy storage, and two battery options, namely, new battery and retired battery, are considered in the case study. The results of optimal dispatch and economic evaluation are compared with different options. Finally, the impact of shared energy storage service price on its economy is highlighted through sensitivity analysis, and the suggested values of service price are given. The results of the example verify that the economy of the shared energy storage is superior to other schemes. In addition, although the performance of retired batteries is lower than that of new batteries, the cost is far lower than new batteries, so the economy of retired batteries participating in this study case is better.

Key words: shared energy storage, optimal dispatch, retired battery, economic evaluation, capacity attenuation

中图分类号:

TM734

冯亮, 鉴庆之, 田浩, 赵龙, 刘蕊, 赵二岗. 考虑共享储能容量衰减的零碳园区优化调度与经济性评估[J]. 电力建设, 2022, 43(12): 112-121.

FENG Liang, JIAN Qingzhi, TIAN Hao, ZHAO Long, LIU Rui, ZHAO Ergang. Optimal Dispatch and Economic Evaluation of Zero Carbon Park Considering Capacity Attenuation of Shared Energy Storage[J]. ELECTRIC POWER CONSTRUCTION, 2022, 43(12): 112-121.

图/表 13

图1 SES优化求解流程图

Fig.1 Flow chart of optimization solution of SES

表1 SES电站相关参数

Table 1 Relevant parameter of SES

表2 分时电价

Table 2 Time-of-use price

表3 场景1优化调度结果

Table 3 Optimized schedule results of scenario 1

表4 场景2优化调度结果

Table 4 Optimized schedule results of scenario 2

图2 园区A配置退役BSS电站调度结果

Fig.2 Result of park A with retired BSS power station

图3 园区B配置退役BSS电站调度结果

Fig.3 Result of park B with retired BSS power station

图4 园区C配置退役BSS电站调度结果

Fig.4 Result of park C with retired BSS power station

图5 园区D配置退役BSS电站调度结果

Fig.5 Result of park D with retired BSS power station

图6 SES配置退役BSS和新BSS情况下,园区A—D电负荷平衡曲线

Fig.6 Power load balance curves of park A to D under SES configured with retired and new BSS

图7 SES电站充放电功率和电量状态曲线

Fig.7 Charge, discharge and power state of SES

表5 各园区使用SES电站调度结果

Table 5 Dispatching results of SES used in each park

图8 不同服务单价下的NPV和DPP

Fig.8 NPV and DPP under different unit price

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考虑共享储能容量衰减的零碳园区优化调度与经济性评估

Optimal Dispatch and Economic Evaluation of Zero Carbon Park Considering Capacity Attenuation of Shared Energy Storage

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