文章摘要
含分布式储能的配电网多目标运行优化策略研究
Multiple Objection Operation Strategy Optimization Research ofDistribution Network Including Distributed Energy Storage
投稿时间:2017-04-18  修订日期:2017-05-20
DOI:
中文关键词: 储能系统  城市配电网  运行策略优化  最优潮流  网损  负荷波动率
英文关键词: energy storage  distribution system  operation strategy optimization  optimal power flow  power loss  load volatility
基金项目:国家自然科学基金项目(面上项目,重点项目,重大项目)
作者单位邮编
吴霜 国网江苏省电力公司经济技术研究院 210008
季聪 江苏方天电力技术有限公司 211100
孙国强 可再生能源发电技术教育部工程研究中心(河海大学) 210098
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中文摘要:
      随着居民家庭电器保有率的不断提升,配电网、尤其是乡村配电网峰谷差值也在不断扩大,亟需通过合理的需求侧管理方式,实现配电网的削峰填谷和经济运行。而目前储能设备成本不断降低,为配电网运行优化提供了新的思路。本文首先研究了储能设备的充放电模型和充放电策略,在此基础上建立了含储能电力系统的多时段优化运行模型,并利用稀疏自动微分技术减少代码编写工作量、通过储能电量约束缩减降低微分计算量的方式,有效地提升了模型求解的可行性与高效性。最后,通过某实际配电网储能示范工程的算例仿真,验证了本文模型的准确性、算法的高效性与策略的可行性。
英文摘要:
      With continuous improvement of the retention rate of household electrical appliances, the peak valley difference of power distribution network, especially the rural distribution network is expanding. A reasonable management method of the demand side is needed to realize load shifting and economic operation of distribution network. At present, the cost of energy storage equipment is decreasing, which provides a new idea for the optimization of distribution network operation. This paper studied the charge/discharge model and strategy of energy storage, and constructed a multi period optimal operation strategy model of distribution network with energy storage. Sparse coding automatic differentiation technology was applied to reduce coding workload, and constraint reduction of energy storage was proposed to reduce differential calculation, which enhanced the feasibility and efficiency of the model solving. Finally, the simulation results of an actual distribution network with energy storage demonstrated the accuracy of the proposed model, the efficiency of the proposed algorithm and the feasibility of the proposed solving method.
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