Energy production has been calculated with the software PVSYST 3.25 with corrections obtained from experience of E. Caamano6 and E. Lorenzo7 from IES-UPM and grid — connected plants of ISOFOTON.

Among these plants special attention has been paid to the “Photocampa” system8. The “Photocampa” is a PV generator, 350 kWp, integrated in a car canopy located in Tarragona (100 km from Barcelona). Since DC voltage is very similar, inverter manufacturer is the same and both installations are connected through a Medium Voltage Transformer, performance data of “Photocampa” helped to predict energy production of FORUM pergola. Besides, two quality control tests were performed by IES-UPM in Photocampa:

o Dirt in modules. 2-4% losses were obtained.

o Dispersion losses. 2% losses were obtained when classification was performed.

Using the meteorological station of the Physics Science School as a reference for annual irradiation (Ga(0)=1537 kWh/m[7]) the FOrUm PV pergola should work with a performance of 1250 kWh/kWp.

Image 4.- Aerial View of FORUM PV Pergola

III. Conclusion

In the context of the Forum Barcelona 2004, a large photovoltaic pergola, 50 meters high, has been constructed. A 443 kWp PV generator, with 2686 I-165 modules, will feed 3125 kW ACEF inverters. This PV grid-connected plant will generate 1250 kWh/kWp. [8] 2 [9] [10] [11] [12] [13] [14]