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Analysis of combined cooling, heating, and power systems based on source primary energy consumption

Nelson Fumo and Louay M. Chamra

Applied Energy, 2010, vol. 87, issue 6, 2023-2030

Abstract: Combined cooling, heating, and power (CCHP) is a cogeneration technology that integrates an absorption chiller to produce cooling, which is sometimes referred to as trigeneration. For building applications, CCHP systems have the advantage to maintain high overall energy efficiency throughout the year. Design and operation of CCHP systems must consider the type and quality of the energy being consumed. Type and magnitude of the on-site energy consumed by a building having separated heating and cooling systems is different than a building having CCHP. Therefore, building energy consumption must be compared using the same reference which is usually the primary energy measured at the source. Site-to-source energy conversion factors can be used to estimate the equivalent source energy from site energy consumption. However, building energy consumption depends on multiple parameters. In this study, mathematical relations are derived to define conditions a CCHP system should operate in order to guarantee primary energy savings.

Keywords: Combined; cooling; Heating; Power; CCHP; Primary; energy; Site-to-source; energy; conversion; factors (search for similar items in EconPapers)
Date: 2010
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