Competitive Pricing Strategy of Wind-Solar-Fire Coupling System in Monthly Concentrated Market Considering the Uncertainty of Renewable Energy

Q3 Environmental Science
Guoliang Bian, Meng Yiqun, Gu Yi, Chuang Liu, Hu Bo, Guiping Zhou, Huanhuan Luo, Yuanzhu Zhao, Yiming Chang, Zhonghui Wang
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Abstract

Monthly centralized bidding is a key link in the transition from annual bilateral trading to spot trading, the research object of this paper is the multi-type power system (coupling system) which is integrated and coupled by thermal power and renewable energy under the same grid point, from the market point of view, this paper discusses its competitive strategy and revenue in the monthly centralized bidding market. First, an outer-level market clearing model that adapts to the participation of the coupling system is constructed to maximize the clearing in terms of social welfare. Secondly, considering the forecast error of scenery, the optimization model of the inner coupling system is established to analyze the cost of the coupling system, and the increment of the coupling system is evaluated quantitatively. Finally, a two-layer optimization model for coupling system to participate in the monthly centralized bidding market is formed, and then the optimal operation strategy of coupling system is studied. The simulation verification of the calculation example shows that participating in the monthly centralized bidding transaction in the mode of the coupling system will increase the income of each of the scenery and fire, the proposed coupling system model promotes changes in the energy structure of the power market, driven by improving the overall economic benefits, ensuring the economic benefits of traditional units and expanding the scope of the renewable energy market, so as to provide electricity to renewable energy and thermal power to improve auxiliary services. The development of the situation provides new ideas for the large-scale grid-connected consumption of new energy.
考虑到可再生能源的不确定性,月度集中市场中风能-太阳能-火力耦合系统的竞争性定价策略
月度集中竞价是年度双边交易向现货交易过渡的关键环节,本文的研究对象是同一网点下火电与可再生能源集成耦合的多类型电力系统(耦合系统),从市场角度探讨其在月度集中竞价市场中的竞争策略和收益。首先,构建了适应耦合系统参与的外层市场清算模型,从社会福利角度实现清算最大化。其次,考虑景气预测误差,建立内部耦合系统优化模型,分析耦合系统成本,定量评估耦合系统增量。最后,形成耦合系统参与月度集中竞价市场的双层优化模型,进而研究耦合系统的最优运行策略。计算实例的仿真验证表明,以耦合系统的模式参与月度集中竞价交易,将增加各风景火的收益,所提出的耦合系统模式促进了电力市场能源结构的变化,在提高整体经济效益的带动下,保证了传统机组的经济效益,扩大了可再生能源市场的范围,从而为可再生能源和火电提供电能,提高辅助服务。形势的发展为新能源大规模并网消纳提供了新思路。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Strategic Planning for Energy and the Environment
Strategic Planning for Energy and the Environment Environmental Science-Environmental Science (all)
CiteScore
1.50
自引率
0.00%
发文量
25
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