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A trigeneration system based on compressed air and thermal energy storage
Li, Yongliang1; Wang, Xiang2; Li, Dacheng2; Ding, Yulong1; Ding, YL
2012-11-01
Source PublicationAPPLIED ENERGY
ISSN0306-2619
Volume99Issue:0Pages:316-323
AbstractThis paper presents a novel energy storage system which stores excessive energy in the form of compressed air and thermal heat. It is different from the conventional compressed air energy storage (CAES) technology in that the new system allows trigeneration of electrical, heating and cooling power in energy releasing process. Uniquely, the cooling power from this system is generated by direct expansion of compressed air instead of the use of absorption chilling technology. In addition, the system can meet the end users' demands for electricity, and heating and cooling powers through controlling the inlet pressure and temperature of an air based expander. A new parameter, the comprehensive efficiency, is proposed to evaluate the performance of the trigeneration system. Energy requirements of a small office building located in Chicago is used for the evaluation. The results show that the comprehensive efficiency of the system is very high (similar to 50%) in winter months when no cooling is needed. In summer months, due to the high power consumption in air compression process and inefficient expansion of the compressed air (for cooling power production) the comprehensive efficiency decreases to about 30%. However such a value is still higher than the conventional trigeneration system based on absorption chilling technology. The system is therefore very promising for practical applications particularly for the use of renewable energy due to good flexibility and simple configuration. Crown Copyright (C) 2012 Published by Elsevier Ltd. All rights reserved.
KeywordCompressed Air Energy Storage Cchp Systems Renewable Energy Standalone Power System
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.apenergy.2012.04.048
Indexed BySCI
Language英语
WOS KeywordPOWER-SYSTEM ; ENGINE ; MODEL ; OPTIMIZATION ; FEASIBILITY ; DRIVEN ; DESIGN ; CHP
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000308049400034
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/3201
Collection多相复杂系统国家重点实验室
Corresponding AuthorDing, YL
Affiliation1.Univ Leeds, Inst Particle Sci & Engn, Leeds LS2 9JT, W Yorkshire, England
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 10090, Peoples R China
Recommended Citation
GB/T 7714
Li, Yongliang,Wang, Xiang,Li, Dacheng,et al. A trigeneration system based on compressed air and thermal energy storage[J]. APPLIED ENERGY,2012,99(0):316-323.
APA Li, Yongliang,Wang, Xiang,Li, Dacheng,Ding, Yulong,&Ding, YL.(2012).A trigeneration system based on compressed air and thermal energy storage.APPLIED ENERGY,99(0),316-323.
MLA Li, Yongliang,et al."A trigeneration system based on compressed air and thermal energy storage".APPLIED ENERGY 99.0(2012):316-323.
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