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Energies 2017, 10(4), 507;

Design and Research of the Movable Hybrid Photovoltaic-Thermal (PVT) System

Department of New Energy, Tianjin Sino-German University of Applied Sciences, Tianjin 300350, China
Author to whom correspondence should be addressed.
Received: 1 February 2017 / Revised: 17 March 2017 / Accepted: 5 April 2017 / Published: 8 April 2017
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In recent years, with the development of photovoltaic system and photo-thermal system technology, hybrid photovoltaic-thermal (PVT) technology has been a breakthrough in many aspects. This paper describes the movable hybrid PVT system from the aspects of appearance structure, energy flow, and control circuit. The system is equipped with rolling wheels and the simulated light sources also can be removed so that the system can be used in the outdoor conditions. The movable system is also suitable for the PVT system and its related applications without any external power supply. This system combines two technologies: photovoltaic power generation and photo-thermal utilization. The first part of the power supply is for the systems own output power supply, and the second part is for generating thermal energy. The two separate parts can be controlled and monitored respectively through the control circuits and the touch screens. The experimental results show that the system can generate 691 kWh electric energy and 3047.8 kWh thermal energy each year under normal working conditions. The efficiency of the proposed movable hybrid PVT system is calculated to be approximately 42.82% using the revised equations that are proposed in this paper. Therefore, the movable hybrid PVT system can meet the daily demands of hot water and electricity power in remote areas or islands and other non-grid areas. It also can be used to conduct experiment tests for the PVT system. View Full-Text
Keywords: photo-thermal utilization; photovoltaic power generation; hybrid photovoltaic-thermal system; control system; efficiency photo-thermal utilization; photovoltaic power generation; hybrid photovoltaic-thermal system; control system; efficiency

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Zhang, L.; Chen, Z.J. Design and Research of the Movable Hybrid Photovoltaic-Thermal (PVT) System. Energies 2017, 10, 507.

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