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A method for optimal sizing energy storage systems for microgrids

机译：一种优化微电网储能系统尺寸的方法

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摘要

This paper proposes a genetic algorithm-based method for sizing the energy storage system (ESS) in microgrids. The main goal of the proposed method is to find the energy and power capacities of the storage system that minimizes the operating cost of the microgrid. The energy management strategy (EMS) used in this paper is based on a fuzzy expert system which is responsible for setting the power output of the ESS. The design of the EMS is carried out by means of a genetic algorithm that is used to set the fuzzy rules and membership functions of the expert system. Given that the size of the storage system has a major influence on the energy management strategy, in this paper the EMS and ESS capacities are jointly optimized. In addition, the proposed method uses an aging model to predict the lifetime of the ESS. In this way it is possible to determine the cost associated with energy storage in a more precise manner. The unit commitment problem, which is crucial for the proper operation of the microgrid, has been also considered in the present work. The suggested sizing methodology has been validated in two case studies.
机译：本文提出了一种基于遗传算法的微电网储能系统（ESS）选型方法。所提出的方法的主要目标是找到使微电网的运行成本最小化的存储系统的能量和功率容量。本文使用的能源管理策略（EMS）基于模糊专家系统，该系统负责设置ESS的功率输出。 EMS的设计是通过遗传算法进行的，该遗传算法用于设置专家系统的模糊规则和隶属函数。考虑到存储系统的大小对能源管理策略有重要影响，因此本文将EMS和ESS的容量进行了联合优化。另外，所提出的方法使用老化模型来预测ESS的寿命。以这种方式，可以以更精确的方式确定与能量存储相关的成本。在当前工作中还考虑了对微电网的正常运行至关重要的单位承诺问题。在两个案例研究中验证了建议的大小调整方法。

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  • 来源
    《Renewable energy》 |2015年第5期|539-549|共11页
  • 作者

    Juan P. Fossati; Ainhoa Galarza; Ander Martin-Villate; Luis Fontan;

  • 作者单位

    Department of Electronics and Communications, CEIT and Tecnun, University of Navarra, Paseo de Manuel Lardizabal N° 15, 20018 Donostia-San Sebastian, Spain;

    Department of Electronics and Communications, CEIT and Tecnun, University of Navarra, Paseo de Manuel Lardizabal N° 15, 20018 Donostia-San Sebastian, Spain;

    Department of Electronics and Communications, CEIT and Tecnun, University of Navarra, Paseo de Manuel Lardizabal N° 15, 20018 Donostia-San Sebastian, Spain;

    Department of Electronics and Communications, CEIT and Tecnun, University of Navarra, Paseo de Manuel Lardizabal N° 15, 20018 Donostia-San Sebastian, Spain;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Energy storage sizing; Microgrid; Battery lifetime model; Fuzzy expert system; Genetic algorithm; Energy management strategy;

    机译：储能尺寸微电网电池寿命模型;模糊专家系统;遗传算法能源管理策略;

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