Journal
ENERGY
Volume 79, Issue -, Pages 522-535Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2014.11.050
Keywords
CCHP (combined cooling heating and power); Energy level; Energy matching
Categories
Funding
- National Research Foundation (NRF), Prime Minister's Office, Singapore under its Campus for Research Excellence and Technological Enterprise (CREATE) program
- Jiangsu Overseas Research & Training Program for University Prominent Young & Middle-aged Teachers and Presidents of China
- Fundamental Research Funds for the Central Universities [2014QNA74]
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CCHP (combined cooling, heating and power) system as a poly-generation technology has received an increasing attention in field of small scale power systems for applications ranging from residence to utilities. It will also play an important role in waste to energy application for megacities. However, how to evaluate and manage energy utilization of CCHP scientifically remains unclear. hi this paper, energy level and exergy analysis are implemented on energy conversion processes to reveal the variation of energy amount and quality in the operation of CCHP system. Moreover, based on the energy level analysis, the methodology of energy matching and optimization for the CCHP system is proposed. By this method, the operational parameters of CCHP system can be deduced to obtain an efficient performance and proper energy utilization. It will be beneficial to understand and operate the CCHP system, and to provide a guiding principle of the energy conversion and management for the CCHP system. (C) 2014 Elsevier Ltd. All rights reserved.
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