风电集群接入系统规划的混合整数线性模型

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摘要

作为大规模风电集中并网的首要环节,风电集群接入系统研究方面缺乏有效可靠的规划方法。在风电集群并网输电工程各项费用建模的基础上,以规划的整体经济性最优为目标,综合考虑各风电场年出力特性及工程规划实际情况,结合等效重构、栅格地图、分段线性化等方法,提出了风电集群接入系统规划的混合整数线性规划模型。该模型能够对实际大型风电基地工程中风电集群的划分、并网输电工程的容量配置、汇集升压站的优化选址和风电场公共连接点的选取等方面的决策进行综合协调优化配置,获取整体经济效益最优的方案。为增强模型的实用性,提出了汇集升压站局部选址优化方法,使得在提升模型精度的同时,缩短模型求解的时间。算例结果验证了所提模型和方法的有效性。

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	甘磊
	吴臻
	谷纪亭
	李庚银
	周明

关键词 ：风电集群, 并网工程, 混合整数线性规划, 栅格地图, 系统规划

Abstract：

The grid-connection system of wind farm clusters is the primary part of wind power consumption with large-scale centralized development. Based on the modeling on the cost items of these transmission projects, a mixed integer linear programming (MILP) model for grid-connection system planning of wind farm clusters was proposed with the objective of optimum overall economy by using disjunctive inequalities, raster map, and piece-wise linearization. The proposed model took annual output characteristics of wind farms and operational constraints into consideration. A globally optimal planning scheme can be obtained with the model, to make decisions on wind farm clustering, capacity allocation of these projects, locations of step-up stations, and grid-connection points of wind farms. For practicality, a further optimization of step-up station sites was proposed to improve the accuracy of the model and shorten the computing time simultaneously. Numerical result shows the effectiveness of the proposed model and method.

Key words： Wind farm clusters grid-connection projects mixed integer linear programming raster map system planning

收稿日期: 2016-01-13 出版日期: 2017-03-22

PACS:

TM715

基金资助:

国家高技术研究发展计划(863计划)(2012AA050208)、国家自然科学基金项目(51177043)和高等学校学科创新引智计划(B08013)资助。

通讯作者: 甘磊男,1988年生,博士研究生,研究方向为电力系统规划与运行。E-mail:ganlei_2006@126.com

作者简介: 吴臻男,1972年生,高级工程师,研究方向为电网运行、安全控制、规划等。E-mail:jitinggu@163.com

引用本文:

甘磊,吴臻,谷纪亭,李庚银,周明. 风电集群接入系统规划的混合整数线性模型[J]. 电工技术学报, 2017, 32(5): 165-175. Gan Lei,Wu Zhen,Gu Jiting,Li Gengyin,Zhou Ming. A MILP Model for Grid-Connection Transmission System Planning of Wind Farm Clusters. Transactions of China Electrotechnical Society, 2017, 32(5): 165-175.

链接本文:

https://dgjsxb.ces-transaction.com/CN/Y2017/V32/I5/165

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