New approach of PV cell efficiency

Author

Andrei, H. ; Nicolaescu, G. ; Radulescu, S. ; Andrei, P.C.

Author_Institution

Electr. Eng. Dept., Univ. Valahia, Targoviste, Romania

fYear

2013

fDate

5-8 May 2013

Firstpage

106

Lastpage

111

Abstract

Basically the overall efficiency of the solar cell refers to the sunlight-to-electricity conversion process. On the other hand, the solar cell is better modeled as a current source since for the largest loads the current drawn is independent of load. In this respect the paper defines solar cell efficiency related only to the electrical parameters, as a ratio between the output power and the power generated by current source. Numerical algorithm is implemented in order to obtain the electrical parameters and to calculate the efficiency of the solar cell for different environmental conditions. Also the solar cell sensitivity of efficiency is calculated when the temperature and irradiance levels are changed separately and/or simultaneously. The examples presented prove the correctness and the accuracy of the proposed method.

Keywords

numerical analysis; sensitivity analysis; solar cells; sunlight; PV cell efficiency; current source; electrical parameters; numerical algorithm; solar cell efficiency; solar cell sensitivity; sunlight-to-electricity conversion process; Current measurement; Optical losses; Photovoltaic cells; Power measurement; Sensitivity; Temperature measurement; Temperature sensors; algorithm; efficiency; electrical parameters; sensitivity; solar cell;

fLanguage

English

Publisher

ieee

Conference_Titel

Environment and Electrical Engineering (EEEIC), 2013 12th International Conference on

Conference_Location

Wroclaw

Print_ISBN

978-1-4673-3060-2

Type

conf

DOI

10.1109/EEEIC.2013.6549599

Filename

6549599