Research on optimal scheduling of integrated energy system in low-carbon parks based on demand response

IF 2.4 4区 工程技术 Q3 ENERGY & FUELS
Wei Xu, W. Han, Huaizhang Jin, Y. Bai, Huan Liu
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引用次数: 0

Abstract

The comprehensive energy system of the park is one of the effective ways to solve the problems of low utilization efficiency of comprehensive energy and difficulty in absorbing renewable energy. By coordinating the output of each unit to optimize the scheduling of the system, the operating cost of the system can be reduced to a certain extent, and the space for new energy generation to be connected to the Internet can be increased. Aiming at the characteristics of electric, heat and gas load demand of the integrated energy system of industrial low-carbon parks and the overall needs of low-carbon development, a research on the optimal scheduling of integrated energy systems in low-carbon parks based on demand response is proposed. By analyzing the structure and components of the integrated energy system of the low-carbon park, different types of demand response are modeled. On this basis, based on the comprehensive demand response of electricity and heat, the optimal dispatch model of the integrated energy system of the low-carbon park is constructed, and the model is solved to realize the optimal dispatch of the integrated energy system of the low-carbon park. The experimental results show that the proposed method has lower operating cost of the integrated energy system, better economy of the integrated energy system, and can effectively improve the power supply reliability and energy saving rate of the integrated energy system. The average system load rate of the proposed method is up to 98.7%, the average comprehensive energy utilization rate is up to 97.9%, and the system operation cost is only 10343.1 yuan.
基于需求响应的低碳园区综合能源系统优化调度研究
园区综合能源系统是解决综合能源利用效率低、难以吸收可再生能源等问题的有效途径之一。通过协调各机组的出力,优化系统的调度,可以在一定程度上降低系统的运行成本,增加新能源发电接入互联网的空间。针对工业低碳园区综合能源系统的电、热、气负荷需求特点和低碳发展的总体需求,提出了基于需求响应的低碳园区一体化能源系统优化调度研究。通过分析低碳园区综合能源系统的结构和组成部分,建立了不同类型的需求响应模型。在此基础上,基于电力和热力的综合需求响应,构建了低碳园区综合能源系统的优化调度模型,并对该模型进行求解,实现低碳园区一体化能源系统的最优调度。实验结果表明,该方法具有较低的综合能源系统运行成本、较好的综合能源体系经济性,能够有效提高综合能源系统的供电可靠性和节能率。该方法的平均系统负荷率高达98.7%,平均综合能源利用率高达97.9%,系统运行成本仅为10343.1元。
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来源期刊
CiteScore
4.30
自引率
4.30%
发文量
106
审稿时长
27 weeks
期刊介绍: The International Journal of Low-Carbon Technologies is a quarterly publication concerned with the challenge of climate change and its effects on the built environment and sustainability. The Journal publishes original, quality research papers on issues of climate change, sustainable development and the built environment related to architecture, building services engineering, civil engineering, building engineering, urban design and other disciplines. It features in-depth articles, technical notes, review papers, book reviews and special issues devoted to international conferences. The journal encourages submissions related to interdisciplinary research in the built environment. The journal is available in paper and electronic formats. All articles are peer-reviewed by leading experts in the field.
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