Market Equilibrium Based on Renewable Energy Resources and Demand Response in Energy Engineering

Systems Engineering Procedia Pub Date : 2012-01-01 DOI:10.1016/j.sepro.2011.11.053

Liu Daoxin, Li Lingyun, Chen Yingjie, Zeng Ming

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引用次数: 9

Abstract

Smart grid enables the integration of large-scale renewable energy resources (RERs) into the power system, but the subsequent intermittency and uncertainty can have an adverse impact on the networks’ reliability, safety and operation efficiency. Meanwhile, demand response helps greatly mitigate the negative impact associated with RERs. Hence, from the engineering's perspective, the complexity and intelligence of the power system have been on an unprecedented level. In such a complex and intelligent power system, it is essential to investigate the impact of RERs and demand response on the market equilibrium in order to help market participants to make scientific decisions. In this paper, firstly, an overall model of major market participants together with the constraints of transmission and generation is established. Then, the energy market is analyzed with RERs’ uncertainties and demand response. Finally, a 4-bus network is utilized to validate theoretical results, indicating that as the uncertainties increase, power system's operation costs and equilibrium shift will be enlarged; and the effect of demand response can narrow the equilibrium shift and reduce RERs’ integration costs.

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基于可再生能源和能源工程需求响应的市场均衡

智能电网实现了大规模可再生能源资源与电力系统的整合，但随之而来的间歇性和不确定性会对电网的可靠性、安全性和运行效率产生不利影响。与此同时，需求响应有助于极大地减轻与可再生能源利用率相关的负面影响。因此，从工程的角度来看，电力系统的复杂性和智能化已经达到了前所未有的水平。在这样一个复杂、智能的电力系统中，为了帮助市场参与者做出科学的决策，有必要研究re和需求响应对市场均衡的影响。本文首先建立了主要市场参与者的整体模型，并考虑了输电约束和发电约束。在此基础上，对能源市场进行了考虑rrs不确定性和需求响应的分析。最后，利用四母线网络对理论结果进行了验证，结果表明，随着不确定性的增加，电力系统的运行成本和平衡位移将会增大;需求响应效应可以缩小均衡位移，降低可再生能源的整合成本。

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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Systems Engineering Procedia

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