Aggregation Model for Active Distribution Systems Participating in Day-ahead Electricity Energy Market

被引：0
|
作者：
Li Z. [1 ]
Liu M. [1 ]
机构：
[1] School of Electric Power Engineering, South China University of Technology, Guangzhou
来源：
Dianwang Jishu/Power System Technology | 2021年 / 45卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Active distribution system; Aggregation; Day-ahead energy market; Virtual power plant;
D O I：
10.13335/j.1000-3673.pst.2021.0344
中图分类号：
学科分类号：
摘要：
In order to make full use of the flexibility of the distributed energy resources in an active distribution system and enable them to participate in the electricity market, it is necessary for the active distribution system to operate as a virtual power plant. Based on the scenario of an active distribution system participating in the day-ahead energy market as a virtual power plant, this paper establishes an aggregation model and proposes a method to calculate the upper and lower power limits, the ramp rate and the cost profile of the virtual power plant without depending on the day-ahead market information. This method first constructs an optimization model to obtain the power limits and the ramp rate of the virtual power plant and the safe dispatching power range of the distributed generators, and then obtains the cost profile of the virtual power plant according to the characteristics of the distributed generators and the active distribution system. The parameters obtained in this method can simultaneously ensure the market competitiveness of the virtual power plants and meet the power flow constraints of the distribution system. Finally, the correctness and effectiveness of the proposed method is verified by two case studies of the transmission and distribution coordination systems. © 2021, Power System Technology Press. All right reserved.
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收藏
页码：4345 / 4355
页数：10
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