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SOLAR PANELS

There are two types (mono crystalline & poly crystalline) of solar photovoltaic panels available in our company.

One of the most common comments that the Solar Choice Energy Brokering team hear from our customers relates to the issue of mono crystalline vs. polycrystalline (or ‘multi crystalline’) solar panels. Although mono crystalline panels had the initial advantage of being seen as the superior technology in the Australian market, as time goes on and both technologies improve, it becomes increasingly apparent that the the quality and reliability of the manufacturer is far more important than which of the two technologies is chosen.

The typical mono crystalline solar cell is a dark black colour, and the corners of cells are usually missing as a result of the production process and the physical nature of mono crystalline silicon. Polycrystalline, on the other hand, is identifiable by its signature light or dark blue colour, but not uniformly so: some patches are lighter than others. 

MONO CRYSTLLINE
Technical Parameters   250W/24V
Typical power (Pmax) W 250
Tolerance % (+ or-) 3
Max power voltage (Vpm) V 29.94
Max power current (Ipm) A 8.35
Open circuit voltage (Voc) V 37.25
Short circuit current (Isc) A 8.95
Max system voltage (Vdc) V 1000
Cell Efficiency % 17.80
Module Efficiency % 15.52
Physical Parameters    
Number of cells No 60
Module length mm 1639
Module width mm 982
Weight Kgs 21
POLY CRYSTALLINE
Technical parameters   100W/
12V
150W/
12V
200W/
24V
250W/24V
Typical power
(Pmax)
W 100 150 200 250
Tolerance % (+or-) 3 (+or-) 3 (+or-) 3 (+ or-) 3
Max power voltage   (Vpm) V 17.7 17.7 29.94 29.94
Max power current    (Ipm) A 5.1 6.2 7.20 8.35
Open circuit voltage  (Voc) V 21.2 21.2 34.50 37.25
Short circuit current  (Isc) A 6 9 7.40 8.95
Max system voltage   (Vdc) V 1000 1000 1000 1000
Cell Efficiency % 7 10 14 17.80
Module Efficiency % 6.52 9.32 12.42 15.52
Physical parameters          
Number of cells No 36 36 60 60
Module length mm 1151 1015 1639 1639
Module width mm 666 970 982 982
Weight Kgs 8.6 11.2 20 21
 
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