• 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 ›› 2018, Vol. 39 ›› Issue (1): 99-.doi: 10.3969/j.issn.1000-7229.2018.01.013

• 新能源发电 • 上一篇    下一篇

 考虑风电消纳及潮流均衡度的分散式风电选址定容

 许沛东,方华亮,黄烁

 
  

  1.  (武汉大学电气工程学院,武汉市430072)
     
  • 出版日期:2018-01-01
  • 作者简介:许沛东(1995),男,硕士研究生,主要研究方向为电力系统规划及风险评估; 方华亮(1977),男,博士,副教授,主要从事电力系统分析与运行工作; 黄烁(1994),男,硕士研究生,主要研究方向为电力系统可靠性分析。
  • 基金资助:
     基金项目:国家自然科学基金项目(51190105)
     

 Dispersed Wind Farm Locating and Sizing Considering Wind Power Consumption and Power Flow Balance

 XU Peidong,FANG Hualiang,HUANG Shuo

 
  

  1.  (School of Electrical Engineering, Wuhan University, Wuhan 430072, China)
     
  • Online:2018-01-01
  • Supported by:
     Project supported by National Natural Science Foundation of China(51190105)
     

摘要:  摘 要:结合我国当前严峻的弃风形势和分散式风电场良好的发展趋势,提出了一种分散式风电场多目标规划方法。引入潮流熵描述系统潮流均衡度,以系统整体运行成本和潮流熵最小作为目标函数。采用拉丁超立方抽样(Latin hypercube sampling,LHS)处理风速、负荷的不确定性和相关性,在建立传统电力系统静态约束模型的同时,对弃风率及限电次数进行机会约束。将智能优化算法应用到风电场的选址定容中,并研究了不同因素对规划结果的影响。IEEE 9节点系统算例表明:所提方法能够兼顾经济效益、风电利用率,同时使电网具备对负荷变化更强的适应性,结果同时体现了常规机组爬坡能力和风速相关性对风电规划容量的重要影响。

 

关键词:

Abstract:  ABSTRACT: Based on the severe wind curtailment situation and promising development trend of dispersed wind farm, this paper proposes a multi-objective dispersed wind farm planning method. The power flow entropy is introduced to describe the balance degree of system flow, and the planning objective is to minimize both the overall operation cost and power flow entropy. This paper applies Latin hypercube sampling (LHS) to deal with the uncertainty and correlation of wind speed and load, and uses the chance constrained programming to restrict the curtailment rate and power rationing after establishing the static constraint model of traditional power system. Besides, an intelligent optimization algorithm is employed in wind farm locating and sizing, the influence of different factors on planning result is studied as well. The simulation of IEEE 9 system shows that the proposed method can guarantee the economic benefit and wind power utilization, and makes the power grid more adaptable to load changes. The result also indicates the great impact of unit climbing and wind speed correlation on the planning capacity of wind power.

 

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