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Abstract
In this paper, a study was carried out to evaluate the annual thermal and exergy performance of hybrid photovoltaic-thermal greenhouse dryer, located at IIT Delhi, India by considering various silicon and non-silicon-based photovoltaic (PV) modules namely mono crystalline silicon (c-Si), multi crystalline silicon (mc-Si), nano crystalline silicon, amorphous silicon, Cadmium Telluride and Copper Indium Gallium Selenide. The annual net electrical energy savings for these modules for a, b, c and d type weather conditions for New Delhi has been calculated. Embodied energy and annual energy outputs have been used for evaluation of energy matrices such as energy payback time, electricity production factor (EPF) and life cycle conversion efficiency (LCCE) of the system. The results also showed that EPF, LCCE, CO 2 mitigations and carbon credits earned, were maximum for c-Si-type PV module, and hence it was recommended for the proposed system.
Acknowledgements
The authors are grateful to the Ministry of Food Processing (MFPI) New Delhi, India for providing financial help to carry out the above experiment. Our sincere thanks to the colleagues and the staff members of IIT, Delhi for their active cooperation during experimental work.