考虑储能充放电效益的孤岛微电网经济优化模型

doi:10.11930/j.issn.1004-9649.201903073

中国电力 ›› 2019, Vol. 52 ›› Issue (6): 111-120.DOI: 10.11930/j.issn.1004-9649.201903073

• 综合能源系统关键技术专栏 • 上一篇下一篇

考虑储能充放电效益的孤岛微电网经济优化模型

凌婵惠¹, 郑常宝^1,2, 胡存刚^1,2, 芮涛¹

1. 安徽大学电气工程与自动化学院, 安徽合肥 230601;
2. 安徽大学工业节电与电能质量控制协同创新中心, 安徽合肥 230601

收稿日期:2019-03-26 修回日期:2019-05-22 出版日期:2019-06-05 发布日期:2019-07-02
作者简介:凌婵惠(1994-),女,硕士研究生,从事微网与经济优化研究,E-mail:2563811859@qq.com 郑常宝(1963-),男,博士,教授,从事微电网能源管理、电能质量和运动控制研究,E-mail:zhengchb@sina.com
基金资助:
国家重点研发计划资助项目（2016YFB0900400）。

Real-Time Economic Optimization Method for Microgrid Considering Energy Storage Charge and Discharge Benefits

LING Chanhui¹, ZHENG Changbao^1,2, HU Cungang^1,2, RUI Tao¹

1. School of Electrical Engineering and Automation, Anhui University, Hefei 230601, China;
2. Anhui Provincial Collaborative Innovation Center of Industrial Energy Saving and Power Quality Control, Anhui University, Hefei 230601, China

Received:2019-03-26 Revised:2019-05-22 Online:2019-06-05 Published:2019-07-02
Supported by:
This work is supported by National Key R&D Plan of China (No.2016YFB0900400).

摘要/Abstract

摘要： 针对孤岛模式下的微电网经济调度问题，提出了一种考虑储能充放电效益的优化调度模型。该模型充分考虑了储能单元在过去时段的电能购置成本与未来时段运行效益，以确定储能单元当前时段参与微电网经济优化的方式；在此基础上，微电网中的各单元代理点通过与相邻代理点交换期望的交易电量与电价实现自身运行效益的最大化。该模型采用交替方向乘子法对各代理点之间的最优交易电量与电价进行求解。最后，在3种不同的天气场景下，分析了孤岛微电网分布式经济优化调度的运行结果，验证了所提模型及求解方法的有效性。

关键词: 孤岛微电网, 经济优化, 储能, 充放电效益, 交替方向乘子法, 分布式优化

Abstract: Aiming at the economic dispatching problem of island, this peper proposed an optimal scheduling model considering the enery storage charge and discharge eddiciency, which fully considers the cost of energy acquisition in the past period and the operation benefit in the future period, so as to determine the mode of energy storage unit participating in the economic optimization of microgrid in the current period. On this basis, each agent in the microgrid can maximize its own operating efficiency through exchanging expected transaction power and electricity price with its neighboring agents. In this model, the alternating direction multiplier method is used to solve the optimal transaction volume and price between agents. Finally, under three different weather scenarios, the operation results of distributed economic optimal dispatch of islanded microgrid are analyzed, and the validity of the proposed model and solution method is verified.

Key words: island microgrid, economic optimization, energy storage, charge and discharge benefits, alternating direction multiplier method, the distributed optimization

中图分类号:

TM73

凌婵惠, 郑常宝, 胡存刚, 芮涛. 考虑储能充放电效益的孤岛微电网经济优化模型[J]. 中国电力, 2019, 52(6): 111-120.

LING Chanhui, ZHENG Changbao, HU Cungang, RUI Tao. Real-Time Economic Optimization Method for Microgrid Considering Energy Storage Charge and Discharge Benefits[J]. Electric Power, 2019, 52(6): 111-120.

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考虑储能充放电效益的孤岛微电网经济优化模型

Real-Time Economic Optimization Method for Microgrid Considering Energy Storage Charge and Discharge Benefits

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考虑储能充放电效益的孤岛微电网经济优化模型

Real-Time Economic Optimization Method for Microgrid Considering Energy Storage Charge and Discharge Benefits

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