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计及季节性光伏出力的配电网经济运行策略

Economic operation strategies for distribution networks taking into account seasonal PV outputs

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针对配电网投建过程中如何规划分布式电源(distribution generation,DG)的配置使得电网公司和用户获得可观效益的问题,提出了一种考虑季节性因素影响的电网公司与用户协同优化模型.首先,考虑配电网建设环节和运行环节之间的交互关系,搭建了DG投建计划的整体框架;其次,以新增配电线路的经济性为目标,计入碳税成本,构建了可靠运行约束下的配电网规划模型;然后,搭建了考虑配置DG及调整运行过程中用电策略的用户效益模型,并基于遗传算法提出了协同优化模型的求解方法,以期最大程度地提高整体获益;最后,基于IEEE33节点网络对协同优化模型的可行性进行验证分析.结果表明,所提出的清洁能源接入下计及季节性因素的配电网效益优化模型可以在提升整体性能的基础上有效提高运行效益.
Aiming at the problem of how to plan the allocation of distributed generation(DG)in the process of distribution network construction so that the grid company and users can obtain considerable benefits,the paper proposes a cooperative optimization model between the grid company and users that takes into account the influence of seasonal factors.Firstly,the overall framework of DG construction plan is constructed by considering the interaction between distribution network construction and operation.Secondly,the distribution network planning model under the constraint of reliable operation is constructed by taking the economy of new distribution lines as the target and taking into account the cost of carbon tax.Then,a user benefit model is initially constructed by considering the distribution of distributed generation(DG)and the adjustment of power consumption strategies during operation.To address the optimization problem,a co-optimization model is proposed using a genetic algorithm,aimed at maximizing overall benefits.The feasibility of this co-optimization model is then validated using the IEEE33 node network.The results demonstrate that the proposed distribution network benefit optimization model,which incorporates clean energy access and seasonal factors,can effectively enhance operational benefits while improving overall performance.

distribution networkdistributed powerseasonal factorsco-optimizationoperational benefits

陈中闲、曾祥军、马鹏欢

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梯级水电站运行与控制湖北省重点实验室(三峡大学) 宜昌 443002

三峡大学电气与新能源学院 宜昌 443002

国网宁夏电力有限公司电力科学研究院 银川 750002

配电网 分布式电源 季节性因素 协同优化 运行效益

国网宁夏电科院科技项目

B329DK23000Z

2024

国外电子测量技术
北京方略信息科技有限公司

国外电子测量技术

CSTPCD
影响因子:1.414
ISSN:1002-8978
年,卷(期):2024.43(9)