Annual performance of building-integrated photovoltaic/water-heating system for warm climate application
作者： T.T. Chow , A.L.S. Chan , K.F. Fong , Z. Lin , W. He
DOI: 10.1016/J.APENERGY.2008.09.014
关键词:
摘要: A building-integrated photovoltaic/water-heating (BiPVW) system is able to generate higher energy output per unit collector area than the conventional solar systems. Through computer simulation with models developed for this integrative in Hong Kong, results showed that (PVW) having much economical advantages over photovoltaic (PV) installation. The thermal performance under natural water circulation was found better pump-circulation mode. For a specific BiPVW at vertical wall of fully air-conditioned building and collectors equipped flat-box-type absorber polycrystalline silicon cells, year-round cell conversion efficiencies were respectively 37.5% 9.39% typical Kong weather conditions. overall heat transmission through PVW reduced 38% normal facade. When serving as pre-heating system, payback period estimated around 14 years. This greatly enhances PV market opportunities.
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