Multi-criteria analysis of combined cooling, heating and power systems in different climate zones in China

Wang Jiang-Jiang, Zhang Chun-Fa and Jing You-Yin

Applied Energy, 2010, vol. 87, issue 4, 1247-1259

Abstract: The design and operation of combined cooling, heating and power (CCHP) systems are greatly dependent upon the seasonal atmospheric conditions, which determine thermal and power demands of buildings. This paper presents a mathematical analysis of CCHP system in comparison to separate system. The corresponding primary energy consumption in thermal demand management (TDM) and electrical demand management (EDM) operation modes are deduced. Three relative criteria, primary energy saving (PES), CO2 emission reduction (CO2ER), and annual total cost saving (ATCS) are employed to evaluate the respective performances of CCHP systems for a hypothetical building in five different climate zones from the technical, environmental and economic aspects. The results indicate that CCHP system in TDM mode in the cold area, where the building requires more heating during the year, achieves more benefit over separate system while CCHP system in EDM mode suits the building having stable thermal demand in mild climate zone.

Keywords: Combined cooling; heating and power (CCHP) system Multi-criteria analysis Climate zones Energy demand Operation mode China (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (23)

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