Design and Evaluation of a Photovoltaic/Thermal-Assisted Heat Pump Water Heating System

Huan-Liang Tsai
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Huan-Liang Tsai: Department of Electrical Engineering, Da-Yeh University, No. 168, University Rd., Dacun, Chang-Hua 51591, Taiwan

Energies, 2014, vol. 7, issue 5, 1-20

Abstract: This paper presents the design, modelling and performance evaluation of a photovoltaic/thermal-assisted heat pump water heating (PVTA-HPWH) system. The cooling effect of a refrigerant simultaneously enhances the PVT efficiency and effectively improves the coefficient of performance (COP) of the HPWH system. The proposed model was built in the MATLAB/Simulink environment by considering the reciprocal energy exchange between a PVT evaporator and a HPWH system. In addition, the power consumption needs of the HPWH are provided by the PV electricity using a model-based control methodology. System performance is evaluated through a real field test. The results have demonstrated the power autarchy of the proposed PVTA-HPWH system with better PVT efficiency and COP. In addition, the good agreement between the model simulation and the experimental measurements demonstrate the proposed model with sufficient confidence.

Keywords: photovoltaic/thermal-assisted heat pump water heating (PVTA-HPWH); PVT evaporator; coefficient of performance (COP) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (12)

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