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首页> 外文期刊>Journal of Energy Storage >Optimal configuration of energy storage for remotely delivering wind power by ultra-high voltage lines
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Optimal configuration of energy storage for remotely delivering wind power by ultra-high voltage lines

机译：通过超高压线远程输送风电的能量存储的最佳配置

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摘要

Power generated by large-scale wind farms in northwest China needs to be remotely delivered by ultra-high voltage lines (UHVs) before consumption. However, fluctuation and intermittency of wind power output results in high costs and low efficiency of transmission. This study proposes a novel optimal model and practical suggestions to design an energy storage involved system for remotely delivering of wind power. Based on a concept model of wind-thermal-storage-transmission (WTST) system, an optimization model is established to determine optimal configurations of the system. As validated by a case study, the model is capable of de-termining installed capacities of wind power plants, thermal power plants, pumped hydro storage stations, and maximum transmission capability of UHVs; and it can be fast solved by mixed integer programming. According to the results of case simulation, the best configuration can significantly reduce wind curtailment rate and improve operational efficiencies of UHVs by load shifting before and after power transmission. Specifically, improving energy storage capacity and remolding thermal power plants to be flexible ones are feasible ways to realize the objectives, which are vital to increase the penetration rate of wind power in China.
机译：中国西北部大型风电场产生的力量需要在消耗前通过超高压线（UHV）远程提供。然而，风力输出的波动和间歇性导致高成本和效率低。本研究提出了一种新颖的最佳模型和实用建议，用于设计涉及遗传系统，以便远程提供风力。基于风力 - 热存储传输（WTST）系统的概念模型，建立了优化模型以确定系统的最佳配置。如案例研究验证，该模型能够降低风电厂，火电厂，泵送水电站和UHV的最大传输能力的安装能力;它可以通过混合整数编程快速解决。根据案例模拟的结果，最佳配置可以显着降低风缩小率，并通过电力传输前后的负载转移提高UHV的操作效率。具体而言，改善能量储存能力和重折叠热电厂是灵活的，是实现目标的可行方法，这对提高了中国风电的渗透率至关重要。

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  • 来源
    《Journal of Energy Storage》 |2020年第10期|101571.1-101571.15|共15页
  • 作者

    Xiao Xilin; Li Fangyi; Ye Zhaoyang; Xi Zhenqian; Ma Dawei; Yang Shanlin;

  • 作者单位

    Hefei Univ Technol Sch Management Hefei 230009 Peoples R China|Hefei Univ Technol Minist Educ Key Lab Proc Optimisat & Intelligent Decis Making Hefei 230009 Peoples R China;

    Hefei Univ Technol Sch Management Hefei 230009 Peoples R China|Hefei Univ Technol Minist Educ Key Lab Proc Optimisat & Intelligent Decis Making Hefei 230009 Peoples R China;

    Hefei Univ Technol Sch Management Hefei 230009 Peoples R China|Hefei Univ Technol Minist Educ Key Lab Proc Optimisat & Intelligent Decis Making Hefei 230009 Peoples R China;

    State Grid Anhui Elect Power Corp Hefei 230061 Peoples R China;

    State Grid Anhui Elect Power Corp Elect Power Res Inst Hefei 230061 Peoples R China;

    Hefei Univ Technol Sch Management Hefei 230009 Peoples R China|Hefei Univ Technol Minist Educ Key Lab Proc Optimisat & Intelligent Decis Making Hefei 230009 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Wind energy curtailment; Pumped hydro storage; Ultra-high voltage line; Load shifting; Optimal model;

    机译：风能缩减;泵送水电;超高压线;负载转移;最佳模型;

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