WAVELABS-Torsten BRAMMER-solarbe文库

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Kai Sporleder Sascha Esefelder Torsten Bramer Marko Turek L E D S o l a r S i m u l a t o r s Quantifying energy gains of bifacial solar cels using LEDsolar simulators 1.True IV-curve 2.Efect of Albedo 3.Fast inline and ofline analysis 4.Degradation PID-p and PID-c Quantifying energy gains of bifacial solar cels using LEDsolar simulators 1.True IV-curve 2.Efect of Albedo 3.Fast inline and ofline analysis 4.Degradation PID-p and PID-c Quantifying energy gains of bifacial solar cels using LEDsolar simulators 1.True IV-curve 2.Efect of Albedo 3.Fast inline and ofline analysis 4.Degradation PID-p and PID-c Quantifying energy gains of bifacial solar cels using LEDsolar simulators 1.True IV-curve 2.Efect of Albedo 3.Fast inline and ofline analysis 4.Degradation PID-p and PID-c Quantifying energy gains of bifacial solar cels using LEDsolar simulators 1.True IV-curve 2.Efect of Albedo 3.Fast inline and ofline analysis 4.Degradation PID-p and PID-c LED solar simulator Front side flasher Solar cel LED solar simulator Front side flasher Solar cels LED solar simulator EL camera Front side flasher LED solar simulator EL camera Front side flasher Rear side flasher LED solar simulator Booth No. N3-360 Exhibitor Jsun More than 180 LED solar simulators in operation in China True IV-curves -1,2 -1,0 -0,8 -0,6 -0,4 -0,2 0,0 0 0,2 0,4 0,6 0,8 Current a.u. Voltage V Measurement time 20 ms True IV-curves Measurement time 20 ms -1,2 -1,0 -0,8 -0,6 -0,4 -0,2 0,0 0 0,2 0,4 0,6 0,8 Current a.u. Voltage V True IV-curves Measurement time 20 ms Calculated from 2 x 20 ms -1,2 -1,0 -0,8 -0,6 -0,4 -0,2 0,0 0 0,2 0,4 0,6 0,8 Current a.u. Voltage V True IV-curves Measurement time 20 ms Calculated from 2 x 20 ms Measurement time 20 ms -1,2 -1,0 -0,8 -0,6 -0,4 -0,2 0,0 0 0,2 0,4 0,6 0,8 Current a.u. Voltage V Fast EQE measurement with LED solar siulator Standard measurement with monochromator 0,0 0,2 0,4 0,6 0,8 1,0 300 600 900 1200 Fast EQE measurement with LED solar siulator Standard measurement with monochromator 0,0 0,2 0,4 0,6 0,8 1,0 300 600 900 1200 Fast EQE measurement with LED solar siulator 0,0 0,2 0,4 0,6 0,8 1,0 300 600 900 1200 Standard measurement with monochromator LED solar simulator LED solar simulator EL camera Front side flasher Reflectance data from LED solar simulator Line Standard measurement with spectrometer 0,0 0,1 0,2 0,3 0,4 300 600 900 1200 R e f l e ct a n ce Wavelength nm Reflectance data from LED solar simulator Line Standard measurement with spectrometer 0,0 0,1 0,2 0,3 0,4 300 600 900 1200 R e f l e ct a n ce Wavelength nm Reflectance data from LED solar simulator Line Standard measurement with spectrometer Symbols LED solar simulator 0,0 0,1 0,2 0,3 0,4 300 600 900 1200 R e f l e ct a n ce Wavelength nm Reflectance data from LED solar simulator Reflectance data from LED solar simulator 0,0 0,1 0,2 0,3 0,4 0,5 300 600 900 1200 R e f l e ct a n ce Wavelength nm Lines Standard measurement with spectrometer Symbols LED solar simulator Inline control of reflectance by LED solar simulator -100 -50 0 50 100 368 415 468 650 878 1022 C h a n g e i n R e f l e ct a n ce Wavelength nm PID-p and PID-c degradation of bifacial solar cels Front side flash Rear side flash PID-p and PID-c degradation of bifacial solar cels Front side flash Rear side flash 0 0,2 0,4 0,6 0,8 1 300 600 900 1200 IQE Wavelength nm Before degradation After degradation 0 0,2 0,4 0,6 0,8 1 300 600 900 1200 IQE Wavelength nm PID-p and PID-c degradation of bifacial solar cels 0 0,2 0,4 0,6 0,8 1 300 600 900 1200 IQE Wavelength nm Before degradation After degradation Before degradation After degradation Front side flash Rear side flash True IV-curve Voltage Cu r e n t -1,2 -1,0 -0,8 -0,6 -0,4 -0,2 0,0 0 0,2 0,4 0,6 0,8 Current a.u. Voltage V 0,0 0,2 0,4 0,6 0,8 1,0 300 600 900 1200 True IV-curve EQE -Efect of albedo Voltage Cu r e n t Wavelength EQ E -1,2 -1,0 -0,8 -0,6 -0,4 -0,2 0,0 0 0,2 0,4 0,6 0,8 Current a.u. Voltage V