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BROLLO SOLAR: the integrated photovoltaic roofing system
that guarantees the best cost/revenue ratio
Technical details
Electric and mechanical specifications
STC - Standard test conditions:
1000W/sqm, AM 1.5, 25°C cell temperature
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PVL
- 68 |
PV
L - 136 |
PV
L - 144 |
| Maximum power (Pmax) |
68W |
136W |
144W |
| Voltage at Pmax (Vmp) |
16.5 V |
33.0 V |
33.0 V |
| Current at Pmax (Imp) |
4.1 A |
4.1 A |
4.36 A |
| Short-circuit current (Isc) |
5.1 A |
5.1 A |
5.3 A |
| Open-circuit voltage (Voc) |
23.1 V |
46.2 V |
46.2 V |
| Maximum series fuse rating |
8 A |
8 A |
8 A |
Temperature coefficients:
(AM 1.5, 1000 W/sqm irradiance)
| |
PVL
- 68 |
PV
L - 136 |
PV
L - 144 |
| Isc |
5.1 mA/K (0.10%/°C) |
5.1 mA/K (0.10%/°C) |
5.3 mA/K (0.10%/°C) |
| Voc |
-88 mV/K
(-0.38%/°C) |
-176 mV/K
(-0.38%/°C) |
-176 mV/K
(-0.38%/°C) |
| Pmax |
-143 mA/K
(-0.21%/°C) |
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-302 mA/K
(-0.21%/°C) |
| Imp |
4.1 mA/K (0.10%/°C) |
4.1 mA/K (0.10%/°C) |
4.1 mA/K (0.10%/°C) |
| Vmp |
-51 mV/K
(-0,31%/°C) |
-102 mV/K
(-0,31%/°C) |
-102 mV/K
(-0,31%/°C) |
| Length |
2849 mm |
5486 mm |
5486 mm |
| Width |
394 mm |
394 mm |
394 mm |
| Thickness |
4 mm |
4 mm |
4 mm |
| Weight |
3,9 kg |
7,7 kg |
7,7 kg |
Brollo Solar employs amorphous silicon (Si-a)
cells.
Si-a macro-cells manufactured by Uni- Solar are made
up of three overlapping cells (triple-junction) each
featuring slightly different properties of solar radiation
absorption,
thus widening the spectrum to the extremes (ultraviolet
and infrared).
This allows an efficiency increase at low irradiance
levels, typically morning and evening hours, cloudy
weather or fog.
Moreover, Si-a layers (approx. thickness 1 micron each)
are applied, through a vacuum technique on a continuous
line, over a flexible stainless steel foil, making
it suitable for use on curved surfaces with minimum
radius up to 1 meter.
Currently available materials from Uni-Solar include
photovoltaic foils made of 11 and 22 cell stack with
nominal power of 68,
136 and 144 Wp.
Physical, electrical and dimensional parameters are
illustrated in the following tables.
Section of a triple-junction UNI-SOLAR® cell
Key:
1 - Transparent electrode
2 - Blue light absorbing cell
3 - Green light absorbing cell
4 - Red light absorbing cell
5 - Reflective metal layer
6 - Lower flexible layer (stainless steel)
7 - Thickness of a triple-junction cell ~ 1 μ
Brollo Solar Key
In the framework of a complete and effective service,
Marcegaglia may offer its customers an integrated package
related to Brollo Solar.
• Project and ROI (return on investment) consultancy
• Design, assembly, assistance and maintenance
of the full electric installation inclusive of control systems
• Turnkey installation
• After-sales service and maintenance over the years
 Download
brochure pdf >>
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