综合能源系统中热力子系统的稳态特性分析

发电技术

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综合能源系统中热力子系统的稳态特性分析

屈鲁，欧阳斌，袁志昌，张树卿，曾嵘

电力系统及发电设备控制和仿真国家重点实验室(清华大学)，北京市海淀区100084

Analysis of Steady-state Characteristics of Thermal Subsystem in Integrated Energy System

QU Lu, Ouyang Bin, YUAN Zhichang, ZHANG Shuqing, ZENG Rong

State Key Lab of Power Systems (Tsinghua University), Haidian District, Beijing 100084, China

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摘要: 综合能源系统(integrated energy system，IES)涵盖能源形式多样、涉及运行模式复杂、包含控制设备和耦合环节丰富，给其稳态建模和稳态潮流计算带来了挑战。为了获取综合能源系统中热力子系统的稳态特性，首先，给出了典型综合能源系统的拓扑架构；然后，分别建立了电力子系统、热力子系统、冷力子系统和分布式能源站的稳态模型，进而建立了混合潮流模型，并利用Newton-Raphson算法进行了混合潮流求解；最后，分析了热力子系统的关键技术参数 (包括源节点的供水温度、负荷节点的出水温度、热网管道的长度和直径、热负荷功率) 变化对综合能源系统稳态潮流的影响。分析结果可支撑综合能源系统的规划、设计及优化运行。

关键词 ：综合能源系统(IES), 热力子系统, 稳态建模, 稳态潮流

Abstract：The integrated energy system (IES) includes various energy forms, complex operation modes, abundant control equipment and coupling links, which brings challenges to its steady-state modeling and steady-state power flow calculation. In order to obtain the steady-state characteristics of the thermal subsystem in the IES, this paper first provided the topological structure of the typical IES; then, the steady-state models of the power subsystem, the thermal subsystem, the cold subsystem and the distributed energy station were established respectively, and then the hybrid power flow model was established, and the Newton Raphson algorithm was used to solve the hybrid power flow; finally, the influence of the key technical parameters (including the water supply temperature of the source node, the water outlet temperature of the load node, the length and diameter of the heat network pipe, and the heat load power) on the steady-state power flow of the IES was analyzed. The analysis results can support the planning, design and optimal operation of the IES.

Key words： integrated energy system (IES) thermal subsystem steady-state modeling steady-state power flow

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	屈鲁
	欧阳斌
	袁志昌
	张树卿
	曾嵘

引用本文:

屈鲁, 欧阳斌, 袁志昌, 张树卿, 曾嵘. 综合能源系统中热力子系统的稳态特性分析[J]. 发电技术, .
QU Lu, Ouyang Bin, YUAN Zhichang, ZHANG Shuqing, ZENG Rong. Analysis of Steady-state Characteristics of Thermal Subsystem in Integrated Energy System. Power Generation Technology, 0, (): 1-.

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