Analysis of the performance of the Large Amorphous Silicon PV FaÃ§ade in Ispra after 11 years of operation

Author

Huld, Thomas ; Dunlop, Ewan ; Ossenbrink, Heinz ; Zaaiman, Willem

Author_Institution

Renewable Energies Unit, Eur. Comm., Ispra

Volume

2

fYear

2006

fDate

38838

Firstpage

2304

Lastpage

2307

Abstract

We present the results of an analysis of the performance of a large facade-mounted amorphous silicon PV system at the Joint Research Centre, Ispra, Italy, after 11 years of operation. The results show that all 420 modules in the system are still operating. Detailed measurements of part of the system indicate that the nominal peak power remains at the design value of 21 kW (stabilized, after light soaking). The conversion efficiency of the a-Si modules have now stabilized at a value of around 3.2%, with some seasonal variation. Inverter efficiency is around 90%, the same as at the start of operations

Keywords

building integrated photovoltaics; invertors; modules; power system reliability; power system stability; silicon; 21 kW; Ispra; Italy; Joint Research Centre; Si; amorphous silicon PV facade; amorphous silicon modules; conversion efficiency; inverter efficiency; power stability; seasonal variation; system maintenance; system performance; system reliability; Amorphous silicon; Degradation; Inverters; Monitoring; Performance analysis; Photovoltaic systems; Power measurement; Temperature dependence; Voltage; Windows;

fLanguage

English

Publisher

ieee

Conference_Titel

Photovoltaic Energy Conversion, Conference Record of the 2006 IEEE 4th World Conference on

Conference_Location

Waikoloa, HI

Print_ISBN

1-4244-0017-1

Electronic_ISBN

1-4244-0017-1

Type

conf

DOI

10.1109/WCPEC.2006.279633

Filename

4060137