Field Experiments of PV-Thermal Collectors for Residential Application in Bangkok

Thipjak Nualboonrueng, Pongpith Tuenpusa, Yuki Ueda and Atsushi Akisawa
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Thipjak Nualboonrueng: Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei-shi, Tokyo 184-8588, Japan
Pongpith Tuenpusa: Rajamangala University of Technology, 39 Muh1, Rangsit-Nakhonnayok Road, Klong Hok, Thanyaburi Pathum Thani, 12110, Thailand
Yuki Ueda: Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei-shi, Tokyo 184-8588, Japan
Atsushi Akisawa: Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei-shi, Tokyo 184-8588, Japan

Energies, 2012, vol. 5, issue 4, 1-16

Abstract: This study presents experimental results on Photovoltaic-thermal (PVT) solar systems, the commercial photovoltaic (PV) panels used as solar absorbers in PVT collectors, which are amorphous and multi-crystalline silicon. Testing was done with outdoor experiments in the climate of Bangkok corresponding to energy consumption behavior of medium size Thai families. The experimental results show that the thermal recovery of amorphous silicon PVT collector is almost the same as that of multi-crystalline silicon PVT collectors while electricity generation of multi crystalline silicon PVT is 1.2 times as much as that of amorphous silicon PVT. The maximum of heat gain from the PVT systems were obtained in March in summer. It was found that PVT collectors of unit area annually produced 1.1 × 10 3 kWh/m 2 .year of heat and 55–83 kWh/m 2 .year of electricity, respectively. The results show that annual average solar factor of hot water supply is 0.45 for unit collector area. Economical evaluation based on energy costs in Thailand was conducted, which estimated the payback time would be 7 and 14 years for a-Si PVT and mc-Si PV, respectively.

Keywords: PVT collector; performance measurement; Thailand climate; photovoltaic cell; payback years (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: 2012
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (11)

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