第44 卷 第 7期
2022 年7月
Vol. 44 No. 7
Jul. 2022
多能互补综合能源系统混合能流计算方法及
算例
Multi-energy flow calculation method for multi-energy complementary integrated
energy systems
郭祚刚 1,袁智勇 1,徐敏 1,雷金勇 1,李朋岳 2,谈赢杰 1
GUO Zuogang1,YUAN Zhiyong1,XU Min1,LEI Jinyong1,LI Pengyue2,TAN Yingjie1
(1.南方电网科学研究院有限责任公司,广州510663;2.云南电网有限责任公司,昆明 650011)
(1 Electric Power Research Institute,CSG,Guangzhou 510663,China ;2 Yunnan Power Grid Company Limited,
Kunming 650011,China)
摘 要:以可再生能源为主的综合能源系统利用多能源之间的耦合机制实现多能互补,促进可再生能源消纳,提升
系统的能源利用效率,助力实现碳达峰、碳中和目标。建立了电-气-热耦合综合能源系统的混合能流计算模型,采
用牛顿-拉夫逊迭代算法进行混合能流计算。为验证混合能流算法的有效性,构建了 724节点电-气-热耦合综合能
源系统混合能流仿真算例,其中 275节点电力网络接入了 14 处分布式电源,228节点热力网络包含了 99节点供蒸汽
热力网络及 129节点供生活热水网络。仿真结果表明,该算法既可以实现时间断面的混合能流仿真,同时具备连续
时间混合能流仿真能力,可用于综合能源系统运行状态以及多能源网络供能品质等场景的评估。
关键词:碳中和;综合能源系统;可再生能源;分布式电源;混合能流算法;牛顿-拉夫逊迭代算法;多能互补;电-气-
热耦合
中图分类号:TK 01+9文献标志码:A文章编号:2097-0706(2022)07 - 0058 - 08
Abstract:A renewable energy-oriented integrated energy system can realize multi-energy complementarity through
different coupling mechanism. The system incentives the consumption of renewable energy,improve the energy utilization
efficiency and contributes to the realization of carbon peaking and carbon neutrality. The model of electricity-heat-gas
coupling system is established,and the calculation method for the multi-energy flow of the system is proposed. The multi-
energy flow is calculated by Newton-Raphson iterative algorithm. To verify the effectiveness of the multi-energy flow
calculation method,simulation calculation was made on the multi-energy flow of a 724-node electricity-heat-gas coupling
system,in which the 275-node power grid was connected to 14 distributed power sources and the 228-node thermal network
included a 99-node steam network and a 129-node hot water network. The results show that the calculation method can
simulate the multi-energy flow of a single time section and of a continuous time period. Thus,multi-energy flow calculation
method can be used to evaluate the operation state of an integrated energy systems and the energy supply quality of a multi-
energy network.
Keywords:carbon neutrality;integrated energy system;renewable energy;distributed power source;multi-energy flow
calculation method;Newton-Raphson iterative algorithm;multi-energy complementation;electricity-gas-heat coupling
0引言
国民经济发展以及人民生活水平的提高对能
源供应系统提出了更高的要求,与此同时,化石能
源消耗过程引起的环境污染及二氧化碳排放问题
也受到了越来越广泛的关注。综合能源系统
[1-3]
是
一种在能源供给端具备促进风光可再生能源消纳
能力,在传输环节具备多能耦合特性,在供能形式
上具备以电为基础的 2种或 2种以上能源品种协同
供应能力的一体化能源供应系统。综合能源系统
的多能协同及多能互补特性使得其在风光可再生
能源利用及满足用户电、热、冷、气等用能需求方面
具有显著优势。文献[4]提出了化石燃料与太阳能
热互补的多能源互补分布式冷热电联供理论,完成
DOI:10. 3969/j. issn. 2097-0706. 2022. 07. 007
收稿日期:2022- 05 - 06;修回日期:2022-06-25
基金项目:南方电网公司科技项目(ZBKJXM20180209)