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山东大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (6): 20-25.doi: 10.6040/j.issn.1672-3961.0.2017.505

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基于集中式信息系统的主动配电网鲁棒优化调度

褚晓东1,2,唐茂森1,2,高旭2,刘伟生3,贾善杰3,李笋3   

  1. 1. 全球能源互联网(山东)协同创新中心, 山东 济南 250061;2. 山东大学电气工程学院, 山东 济南 250061; 3. 国网山东省电力公司, 山东 济南 250003
  • 收稿日期:2017-10-19 出版日期:2017-12-20 发布日期:2017-10-19
  • 作者简介:褚晓东(1978— ),女,山东济南人,副教授,博士,主要研究方向为电力系统稳定分析与控制、能源物理—信息系统建模与仿真等. E-mail: chuxd@sdu.edu.cn
  • 基金资助:
    国家电网公司科技资助项目(SGSDDK00KJJS1600061)

Robust optimal dispatch of active distribution networks based on centralized information system

CHU Xiaodong1,2, TANG Maosen1,2, GAO Xu2, LIU Weisheng3, JIA Shanjie3, LI Sun3   

  1. 1. Collaborative Innovation Center for Global Energy Interconnection(Shandong), Jinan 250061, Shandong, China;
    2. School of Electrical Engineering, Shandong University, Jinan 250061, Shandong, China;
    3. State Grid Shandong Electric Power Company, Jinan 250003, Shandong, China
  • Received:2017-10-19 Online:2017-12-20 Published:2017-10-19

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摘要： 为了适应配电网从被动受电向主动供电角色的转化,提出基于集中式信息系统的主动配电网鲁棒优化调度策略。采用交流潮流模型描述配电网的功率平衡关系,计及无功注入的调节作用,建立两阶段电能与备用联合调度模型;应用鲁棒优化技术,构建可再生能源发电出力的不确定性集合;将高维、非凸的最优化问题转化为凸问题,以保证最优解的性能。对算例系统进行仿真计算,结果表明资源的优化调度提高主动配电网的灵活性,所提出的鲁棒优化调度策略能够增强主动配电网对间歇性可再生能源发电的容纳能力。

关键词: 凸松弛, 信息系统, 不确定性, 优化调度, 鲁棒优化, 主动配电网

Abstract: To be adpaptable to the evolving role of distribution power networks from the passive power consumption to active power supply, a robust optimal scheduling strategy was proposed for active distribution networks based on centralized information system. The AC power flow model was used to describe the power balance of a distribution network accounting for the impact of adjustment of the reactive power injection. A two-stage joint energy and reserve scheduling model was built. The uncertainty set of the renewable power outputs was constructed by using the roboust optimization technique. The optimization problem of high dimension and nonconvexity was transformed into convex problem to ensure the optimal solution performance. Simulation results of a test system showed that a substantial increase of flexibility was achieved through the optimal dispatch of various resources. The proposed robust optimal schedule strategy could enhance the capability of active distribution networks to integrate intermittent renewable generation.

Key words: active distribution network, optimal dispatch, information system, convex relaxation, uncertainty, robust optimization

中图分类号: 

  • TM73
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