刘欣,宁新福,金翼,杨岑玉,钟伟东,诸宇浩
LIU Xin,NING Xinfu,JIN Yi,YANG Cenyu,ZHONG Weidong,ZHU Yuhao

• 1:嘉兴恒创电力设计研究院有限公司
• 2:中国电力科学研究院有限公司
• 3:国网浙江省电力有限公司嘉兴供电公司

摘要(Abstract)：

分布式储能的合理配置不仅可以实现配电网运行的削峰填谷，而且对提升新能源消纳和确保电网安全、可靠、经济运行具有重要意义。考虑用户侧分布式储能的友好互动，研究了含高比例光伏的配电网中分布式储能的分层优化配置问题。上层从经济与环保并重的角度，建立了投资运行成本及分布式光伏最大化消纳的多目标模型；下层考虑分布式储能设备的友好互动对配电网削峰填谷的作用，建立单位联络线功率的日净负荷偏差。针对所建立的非线性、多目标的双层优化模型，采用加权方法将上层多目标模型转换成单目标模型，并采用改进遗传算法进行优化求解。通过改进IEEE 33节点算例进行仿真验证，结果表明所建立的优化模型能够反应储能的投资效益和对新能源消纳的影响，用户的友好互动对分布式储能配置和光伏消纳都有不同程度的影响。
The rational configuration of distributed energy storage can not only realize p peak-shaving and valleyfilling during distribution network operation, but also play an important role in improving the consumption of renewable energy and ensuring the safe, reliable, and economic operation of the power grid. In view of the user-side friendly interaction of distributed energy storage, this paper studies the hierarchical optimal configuration of distributed energy storage in distribution networks with a high proportion of PV. In the upper layer, multi-objective models of investment and operation cost and maximized consumption of distributed PV are established from the perspective of both economy and environmental protection. In the lower layer, the friendly interaction of distributed energy storage devices on peak shaving and valley filling of distribution networks is considered, and the daily net load deviation per unit tie-line power is established. For the established non-linear, multi-objective two-layer optimization model, a weight method is used to convert the multi-objective model in the upper layer into a single-objective one.Moreover, an improved genetic algorithm is used for the optimal solution. The simulation is validated by an improved IEEE 33-node example. The results show that the established optimization model can reflect the investment benefits of energy storage and the impact on new energy consumption. The users' friendly interaction impacts both distributed energy storage configuration and PV consumption in varying degrees.

关键词(KeyWords)： 储能;分布式光伏;友好互动;双层多目标;削峰填谷
energy storage;distributed PV;friendly interaction;two-layer multi-objective;peak-shaving and valley-filling

Abstract:

Keywords:

基金项目(Foundation): 国网浙江省电力有限公司省管产业单位科技项目（2021-KJLH-SJ-005）

作者(Author): 刘欣,宁新福,金翼,杨岑玉,钟伟东,诸宇浩
LIU Xin,NING Xinfu,JIN Yi,YANG Cenyu,ZHONG Weidong,ZHU Yuhao

DOI: 10.19585/j.zjdl.202305011

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