• CSCD核心库收录期刊
  • 中文核心期刊
  • 中国科技核心期刊

电力建设 ›› 2019, Vol. 40 ›› Issue (7): 34-40.doi: 10.3969/j.issn.1000-7229.2019.07.005

• 电力系统弹性与灵活性·栏目主持 文福拴教授、林振智副教授· • 上一篇    下一篇

考虑典型场景的配电网调控方案灵活性评估方法

陈垚煜1,江全元1,周自强1,2,王朝亮2,许烽2   

  1. 1.浙江大学电气工程学院,杭州市 310027;2.国网浙江省电力有限公司电力科学研究院,杭州市 310014
  • 出版日期:2019-07-01
  • 作者简介:陈垚煜(1996),男,硕士研究生,主要研究方向为配电网的优化运行; 江全元(1975),男,博士,教授,博士生导师,通信作者,主要研究方向为电力系统优化与控制、新能源并网及储能技术应用等; 周自强(1971),男,硕士,工程师,主要研究方向为输变配电设备运维管理及科技管理技术研究; 王朝亮(1986),男,硕士,工程师,主要研究方向为电力电子技术在电力系统中的应用、电能计量及用电信息采集技术; 许烽 (1988),男,博士,工程师,主要研究方向为高压直流输电和柔性直流输电及大功率电力电子技术。
  • 基金资助:
    国家重点研发计划资助项目(2017YFB0903100);国家电网公司科技项目(521104170043)

An Evaluation Method on the Flexibility of Regulation Methods in Distribution Network Considering Typical Scene Sets

CHEN Yaoyu1, JIANG Quanyuan1,ZHOU Ziqiang1,2 ,WANG Chaoliang2,XU Feng2   

  1. 1.College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China;2.State Grid Zhejiang Electric Power Co., Ltd. Research Institute,Hangzhou 310014,China
  • Online:2019-07-01
  • Supported by:
    This work is supported by National Key Research and Development Program of China(No. 2017YFB0903100) and State Grid Corporation of China Research Program (No. 521104170043).

摘要: 风电、光伏等新能源以及电动汽车充电站等时空分布高度不确定性负荷的逐渐渗透向配电网提出了调控灵活性的需求。针对配电网升级改造规划中不同的调控方案,从应对多场景、满足多目标这2个维度提出了矩阵形式的灵活性评估模式。在运行性能指标维度方面,提出包含新能源消纳、网络损耗、馈线均衡等在内的指标体系,并利用信息熵理论进行降维;在运行场景维度方面,通过K-medoids聚类算法提取典型场景集,并利用DS证据理论进行降维;最后得到对应于每种调控方案的灵活性量化指标。在IEEE 33配电网算例中,对以无功补偿电容器、无载调压变压器为代表的传统调控方案和以柔性多状态开关为代表的新型调控方案进行灵活性分析,验证了柔性多状态开关调控具有更高灵活性。

关键词: 配电网灵活性, 典型场景, 指标体系, 信息熵, DS证据理论

Abstract: With the increase of distributed energy source and highly uncertain load in space-time distribution, the distribution network needs to be more flexible. In the planning of power distribution network upgrading and reconstruction, this paper proposes a matrix-based flexibility evaluation method from two dimensions of coping with multiple scenarios and meeting multiple objectives for different optional regulation methods. In the dimension of running scene set, K-medoids clustering algorithm is used to extract the typical scene set, and DS Evidence Theory is used to reduce the dimension; In the dimension of operational performance, the index system including new energy consumption, power loss and feeder balance etc. is proposed, and the dimension is reduced by using the Entropy Theory; Finally in the case of IEEE 33-node distribution network, the flexibility analysis of traditional regulation methods such as reactive power compensation capacitor and no-load tap changer and new regulation method such as Soft Opent Point is carried out, and finally Soft Opent Point shows higher flexibility according to the evaluation method.

Key words: distribution network flexibility, typical operation scenarios, indictor system, information comentropy, DS evidence theory

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