Title :
Impact of ripple current on the average output power of solar cells
Author :
Schofield, D.M.K. ; Foster, M.P. ; Stone, David A.
Author_Institution :
Dept. of Electron. & Electr. Eng., Univ. of Sheffield, Sheffield, UK
Abstract :
This paper presents an analysis of the effects of power converter induced ripple on solar cells. The majority of analysis presented on maximum power point tracking (MPPT) schemes and switched mode power converters (SMPCs) assume smooth DC current is drawn from the cell. In this paper, results from simulation and experimental work are presented to elucidate these effects, showing a significant degradation in the maximum average power when ripple current is accounted for. The effects of power converter switching frequency are also given showing an improvement in the average power from the PV module at greater frequencies.
Keywords :
maximum power point trackers; photovoltaic power systems; solar cells; switched mode power supplies; switching convertors; DC current; MPPT scheme; PV module; SMPC; maximum power point tracking; power converter switching frequency; ripple current impact; solar cell; switched mode power converter; MPPT; current ripple; photovoltaic; solar power; switched mode power converters;
Conference_Titel :
Power Electronics, Machines and Drives (PEMD 2012), 6th IET International Conference on
Conference_Location :
Bristol
Electronic_ISBN :
978-1-84919-616-1
DOI :
10.1049/cp.2012.0333
