摘要
集电线路优化问题是风电场内风电机组布局选址之后需要解决的重要问题。集电线路结构通常包含链形、环形、树形以及他们的混合形式,集电线路拓扑结构优化属于NP难问题。以安徽阜阳某风电场集电线路设计为例,开展了陆上风电场集电线路优化方法研究。首先,根据风电机组布局位置和电气设备安置要求,采用混合高斯模型对风电机组聚类,确定各台风电机组连接的集电线路。其次,考虑树形拓扑结构的集电线路电缆成本、功率损耗等多种因素,建立集电线路的成本函数,结合线路拓扑结构、地形环境和当地政策要求,建立了集电线路的优化模型,为生成最经济的集电线路方案提供模型基础。然后,设计求解集电线路优化模型的最小生成树算法,分别获得最优或近优的树形集电线路方案。根据阜阳风电场35 kV和66 kV两种电压等级要求生成不同结构的集电线路方案,通过对比分析说明了66 kV集电线路方案在陆上风电场的应用前景。
The optimization of the collector system is an important issue that needs to be addressed after the layout and site selection of wind turbines within a wind farm.Collector systems typically adopt structures such as chain,ring,tree or hybrid configurations,and their topological optimization is classified as an NP-hard problem.This paper takes the design of the collector line of a wind farm in Fuyang,Anhui Province as an example to carry out the research on the optimization method of the collector line of onshore wind farms.Firstly,based on the layout position of the wind turbine units and the installation requirements of electrical equipment,a Gaussian mixture model is adopted to cluster the wind turbine units and determine the collector lines connected to each wind turbine unit.Secondly,with various factors taken into account,such as the cable cost and power loss of the collector line with a tree topology structure,a cost function of the collector line is established;combined with the line topology structure,terrain environment and local policy requirements,an optimization model of the collector line is developed,which provides a model basis for generating the most economical collector line scheme.Then,the minimum spanning tree algorithm for solving the optimization model of the collector line is designed to obtain the optimal or near-optimal tree-shaped collector line schemes respectively.Finally,according to the requirements of the 35 kV and 66 kV voltage levels of the Fuyang Wind Farm,different-structured collector line schemes are generated.Through comparative analysis are illustrated the application prospects of the 66 kV collector line scheme in onshore wind farms.
作者
彭玉海
陈亮
袁丙青
万小西
廖云
蒋康庆
刘丽勇
时容康
PENG Yuhai;CHEN Liang;YUAN Bingqing;WAN Xiaoxi;LIAO Yun;JIANG Kangqing;LIU Liyong;SHI Rongkang(China Three Gorges Renewables(Group)Co.,Ltd.,Beijing 101100,China;POWERCHINA Chengdu Engineering Corporation Limited.Chengdu Sichuan 611100,China)
出处
《湖北电力》
2025年第2期38-45,共8页
Hubei Electric Power
基金
中国三峡新能源(集团)股份有限公司科研项目资助(项目编号:34020027B)。
关键词
风电场
集电线路优化
集电系统
最小生成树
风力发电
wind farm
optimization of collector line
collector system
minimum spanning tree
wind power generation
