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Energies 2017, 10(8), 1243; doi:10.3390/en10081243

Feasibility Study of a Heating, Cooling and Domestic Hot Water System Combining a Photovoltaic-Thermal System and a Ground Source Heat Pump

1
Building Energy Technology Center & Center for Climatic Environment Real-Scale Testing, 7 Jeongtong-ro, Deoksan-myeon, Jincheon-gun, Chungcheongbuk-do 27872, Korea
2
Department of Architectural Engineering, Pusan National University, 2 Busandaehak-ro 63, Geomjeong-gu, Busan 46241, Korea
*
Author to whom correspondence should be addressed.
Received: 8 June 2017 / Revised: 16 August 2017 / Accepted: 17 August 2017 / Published: 21 August 2017

Abstract

Renewable energy systems have received a lot of attention as sustainable technology in building sector. However, the efficiency of the renewable energy systems depends on the surrounding conditions, and it could gradually decrease by excessive and long-term operation. As a solution, a hybrid system can increase the reliability of energy production and decrease investment costs through by reducing the system capacity. The hybrid system operates at the ideal performance, but the design and operation method for hybrid system have not been established. In this paper, the performance of the hybrid system combined with photovoltaic/thermal (PVT) system and ground source heat pump (GSHP) system was analyzed using TRNSYS 17 and feasibility was assessed. The energy consumption and performance efficiency of hybrid system were calculated according to operating modes. Furthermore, seasonal performance factor (SPF) of hybrid system was compared with that of conventional GSHP system. System performance was analyzed in various conditions such as the usage of storage tank heating and set temperature for solar heating. As a result, the average SPF of the developed system increased about 55.3% compared with the GSHP system. View Full-Text
Keywords: hybrid system; photovoltaic/thermal; ground source heat pump system; performance analysis hybrid system; photovoltaic/thermal; ground source heat pump system; performance analysis
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MDPI and ACS Style

Jeong, Y.-D.; Yu, M.G.; Nam, Y. Feasibility Study of a Heating, Cooling and Domestic Hot Water System Combining a Photovoltaic-Thermal System and a Ground Source Heat Pump. Energies 2017, 10, 1243.

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