Title: Uncertainty in energy yield estimation based on C-Si module roundrobin results
Authors: MIHAYLOV BBOWERS J.w.BETTS Thomas R.GOTTSCHALG RalphKRAMETZ TLEIDL RBERGER K. A.ZAMINI ShokufehDEKKER NGRADITI GROCA FrancescoPELLEGRINO MicheleFLAMINIO GPUGLIATTI P. M.DI STEFANO AALEO FrancescoGIGLIUCCI GFERRARA WRAZONGLES GMERTEN JensPOZZA ALBERTOSANTAMARIA LANCIA ADRIÀNHOFFMANN SKOEHL MichaelGERBER ANOLL JPALETTA FFRIESEN GabiDITTMANN Sebastian
Publisher: Institute of Electrical and Electronics Engineers, Japan Society of Applied Physics and IEEE Electron Devices Society / © IEEE
Publication Year: 2014
JRC N°: JRC97211
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC97211
Type: Articles in periodicals and books
Abstract: Results of the European FP7 Sophia project roundrobin of c-Si module power measurements at STC and low irradiance and temperature coefficients were used to calculate annual energy yield at four sites. The deviation in the estimates solely due to the different measurement results is reported, neglecting the uncertainty in the meteorological data and losses unrelated to the performed measurements. While minimising the deviation in Pmax measurements remains the key challenge, the low irradiance and temperature coefficient contributions are shown to be significant. Propagating the measurement deviation in c-Si module measurements would suggest that expanded uncertainty in energy yield due to module characterization alone can be as high as ±3-4%
JRC Directorate:Energy, Transport and Climate

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