基于供需匹配的CCHP-TES系统性能分析  

Performance Analysis of CCHP-TES System Based on Supply-demand Energy Matching

作　　者：莫俊荣 冯乐军 戴晓业[1] 史琳[1] MO Junrong;FENG Lejun;DAI Xiaoye;SHI Lin(Key Laboratory for Thermal Science and Power Engineering of Ministry of Education,Tsinghua University,Beijing 100084,China;Institute of Engineering Thermophysics,Chinese Academy of Science,Beijing 100190,China)

机构地区：[1]清华大学热科学与动力工程教育部重点实验室,北京100084 [2]中国科学院工程热物理研究所,北京100190

出　　处：《工程热物理学报》2022年第11期2865-2873,共9页Journal of Engineering Thermophysics

基　　金：国家重点研发计划(No.2016YFB0901405);国家自然科学基金创新研究群体(No.51321002);国家自然科学基金青年基金(No.52006215)。

摘　　要：储热(TES)作为分布式冷热电联供系统(CCHP)重要的变工况调控手段,在“移峰填谷,减容增效”,实现系统与用户供需匹配方面具有重要意义。然而,目前储热在分布式系统中的主动调控作用未充分发挥,使其应用推广受限。本文从负荷供需匹配以及系统主动调控角度出发,构造了CCHP-TES系统构型,提出了系统装机容量设计和变工况运行调控方法,并以北京地区五类用户建筑为例,对比分析了本文构造的CCHP-TES系统与传统无储热、被动式储热CCHP的节能特性,为实际工程应用提供参照。Introducing thermal energy storage(TES) is an important regulation method for improving the performance of the combined cooling, heating, and power(CCHP) system, because it contributes to load migration, reduction of capacity, improvement of efficiency, and realization of supply-demand energy matching. However, the current active regulation role of TES in the CCHP systems is not fully utilized, which limits its application and promotion. From the perspective of supply-demand energy matching and system active regulation, this paper constructs the CCHP-TES system configurations and proposes the system’s installed capacity design and variable-condition operation control methods. Taking five types of user buildings in Beijing as examples, this paper compares and analyzes the energy-saving characteristics of the conventional non-TES CCHP system,the passive CCHP-TES system, and the CCHP-TES system constructed in this paper to provide references for practical engineering applications.

关 键 词：分布式冷热电联供系统 储热 供需匹配 冷热电负荷解耦 

分 类 号：TK011[动力工程及工程热物理]