Dynamic bidding strategy for a demand response aggregator in the frequency regulation market

新闻聚合器 投标 需求响应 经济 电力市场 需求曲线 利润最大化 微观经济学 计量经济学 计算机科学 运筹学 利润(经济学) 工程类 电气工程 操作系统
作者
Xin Liu,Yang Li,Xueshan Lin,Jiqun Guo,Yunpeng Shi,Yunwei Shen
出处
期刊:Applied Energy [Elsevier BV]
卷期号:314: 118998-118998 被引量:22
标识
DOI:10.1016/j.apenergy.2022.118998
摘要

As a low-cost flexible resource, dynamic controllable load on the demand side offers potential for great application prospects in power system frequency regulation. To overcome the risks of various uncertain factors in electricity markets and realize the economic benefits of demand response, this study proposed a dynamic bidding strategy for demand-side resources to participate in the frequency regulation market by a demand response (DR) aggregator. A correlative uncertainty model of the market price and frequency regulation demand was constructed employing the copula function, while the corresponding copula conditional value-at-risk model was used as a market risk measurement index to quantify the DR aggregator’s decision risk. Consequently, an objective function that maximises the profit of the DR aggregator was established. Simultaneously, based on the analysis of the response potential of demand-side resources, a time-varying compensation method for the DR was proposed, and the bidding decision of the DR aggregator was dynamically optimised considering load deviation. Finally, case studies demonstrated that the accuracy and rationality of the uncertainty modelling are improved. The proposed dynamic optimisation method resulted in an increase of 16 % in operating profits. In addition, the revenue of users increased by 12 %. The impact of different risk preferences and the correlation between the stochastic electricity price and frequency regulation demand on the optimal decision result was analysed, based on which the manager of the DR aggregator can make decisions under different situations.
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