PERFORMANCE EVALUATION OF SOLAR PHOTOVOLTAIC POWERED VAPOR COMPRESSION REFRIGERATION SYSTEM

A.J. DHONDGE¹*, S.R. KALBANDE^2
1Department of Unconventional Energy Sources and Electrical Engineering, Dr Panjabrao Deshmukh Krishi Vidyapeeth, Akola, 444104, Maharashtra India
²Department of Unconventional Energy Sources and Electrical Engineering, Dr Panjabrao Deshmukh Krishi Vidyapeeth, Akola, 444104, Maharashtra India
* Corresponding Author : amol.jd1107@gmail.com

Received : 15-04-2018     Accepted : 11-07-2018     Published : 30-07-2018
Volume : 10     Issue : 14       Pages : 6651 - 6653
Int J Agr Sci 10.14 (2018):6651-6653

Keywords : Refrigeration, vapor compression, photovoltaic, solar refrigeration and vaccine preservation
Conflict of Interest : None declared
Author Contribution : All author equally contributed

In developing countries large number of people still lives in rural and remote area like in India where the grid electricity is unavailable or available for few hours. In these areas the vaccine preservation becomes an important issue and it is the basic need. The four components of the refrigerator, were designed separately (i.e. condenser, evaporator, compressor and the capillary tube) for 60 litre capacity. Eco-friendly refrigerant R-134a was selected. The nano-refrigerant (R-134a+Al2O3) was also used in this SPV operated refrigeration system to evaluate its performance and the results obtained are compared with the refrigerant R-134a. The per cent drop in the temperature among evaporator and condenser section of all various tests in two months (i.e. January and March) by using nano-refrigerant (R-134a+Al2O3) was observed to be 1.98 to 6.54 respectively. Average COP obtained varies from 1.95 to 2.26 and 2.13 to 2.46 by using refrigerant R-134a and nano-refrigerant (R-134a+Al2O3) respectively. The per cent increase in the value of COP and per cent saving in the power consumption of compressor varies from 8.85 to 10.19 and 14.03 to 18.36 respectively, during various test conditions using nano-refrigerant (R-134a+Al2O3) in place of refrigerant R-134a. The average monthly efficiency of solar photovoltaic system varies from 14.4 to 16.3 per cent for experimental duration.

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