Solar Panels

Photovoltaic (PV) is the term related to the conversion of light into electricity using semiconducting materials that exhibit the photovoltaic effect. A typical use of this technology is solar panels which comprise of solar cells that generate solar power. They can be installed on south-facing roofs, walls or on the ground, and can be fixed or have a solar tracker that follows the sun across the sky. The installation of solar panels is highly beneficial for both private and commercial users as the solar energy turned into electricity can be sold to the energy supplier. The feed-in tariff can reduce energy bills and cost of solar panel installation.



The advantage of this type of energy source is that it is clean energy, so generates no pollution and no greenhouse gas emissions. It is however dependent on direct sunlight so around 10% to 25% is lost when a tracking system is not used.




How Does a Solar Panel Work?


The solar cells within a solar panel produce direct current electricity from sunlight. The solar panels consist of several solar cells which contain layers of photovoltaic material, usually silicon. When sunlight shines on the cells they create an electric field across the layers. The more sunlight there is, the more electricity is produced.
Solar inverters are then used to change the electric current from DC to AC. The electricity is then sent using copper solar cables which connect modules, arrays, and subfields.



What are typical applications of solar panels?


Most photovoltaic solar panels are used for grid-connected power generation, however, they can also be used on:



  • Boats

  • Roadside emergency telephones

  • Electric cars



How much energy can solar panels generate?


Photovoltaic solar panels can often be seen on the rooftops of houses. Typically, residential rooftop systems generate around 5 kWh to 10 kWh of energy whereas commercial rooftop systems can generate several hundred kilowatts. Rural villages in developing countries which do not have access to grid power are also using solar panels to create solar farms.


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Description Price Power Rating Open Circuit Voltage Number of Cells Battery Bank Capacity Peak Power Type Efficiency Dimensions Depth Length Maximum Temperature Minimum Temperature Width Mounting Style
RS stock no. 904-6128
BrandRS PRO
R 259.92
Each (In a Pack of 5)
units
5W 22V - 35Ah 30W Polycrystalline 17% 306 x 218 x 25mm 25mm 306mm +85°C -40°C 218mm Surface Mount
RS stock no. 904-6156
BrandRS PRO
R 5,880.545
Each (In a Pack of 2)
units
150W 22V - 10Ah 720W Monocrystalline 17% 1490 x 670 x 35mm 35mm 1.49m +85°C -40°C 670mm Surface Mount
RS stock no. 194-133
Mfr. Part No.MSX-01F
BrandBP Solar
R 798.95
Each
units
1.01W - - - - Polycrystalline - 162 x 140 x 10mm 10mm 162mm +85°C -40°C 140mm -
RS stock no. 769-4264
Mfr. Part No.SPS80NB
R 13,256.53
Each
units
- - - - - Solar Domestic Kit - - - - - - - -
RS stock no. 904-6125
BrandRS PRO
R 1,042.818
Each (In a Pack of 5)
units
20W 22V - 10Ah 120W Monocrystalline 17% 638 x 278 x 25mm 25mm 638mm +85°C -40°C 278mm Surface Mount
RS stock no. 904-6143
BrandRS PRO
R 3,747.915
Each (In a Pack of 2)
units
100W 23V - 10Ah 480W Monocrystalline 17% 1005 x 670 x 35mm 35mm 1.005m +85°C -40°C 670mm Surface Mount
RS stock no. 904-6159
BrandRS PRO
R 944.992
Each (In a Pack of 5)
units
10W 21.6V 36 - - Polycrystalline 17% 390 x 250 x 3mm 3mm 390mm +80°C -40°C 250mm Surface Mount
RS stock no. 769-4233
Mfr. Part No.STP080MA
R 4,066.22
Each
units
- - - - - Solar Panel Kit - - - - - - - -
RS stock no. 904-6131
BrandRS PRO
R 2,517.826
Each (In a Pack of 5)
units
60W 22V - 10Ah 270W Polycrystalline 17% 685 x 670 x 35mm 35mm 685mm +85°C -40°C 670mm Surface Mount
RS stock no. 904-6147
BrandRS PRO
R 4,871.93
Each (In a Pack of 2)
units
120W 22V - 10Ah 600W Polycrystalline 17% 1250 x 670 x 35mm 35mm 1.25m +85°C -40°C 670mm Surface Mount
RS stock no. 111-1034
Mfr. Part No.STP010P
BrandPV Logic
R 773.73
Each
units
- 22V - 70Ah 10W Polycrystalline - 397 x 280 x 25mm 25mm 397mm +85°C -40°C 280mm Wall Mount
RS stock no. 882-9073
Mfr. Part No.MIKROE-651
R 222.49
Each
units
- - - - - - - - - - - - - -
RS stock no. 904-6153
BrandRS PRO
R 1,422.68
Each (In a Pack of 5)
units
20W 21.6V 36 10Ah 60W Polycrystalline 17% 505 x 345 x 3mm 3mm 505mm +80°C -40°C 345mm Surface Mount
RS stock no. 904-6121
BrandRS PRO
R 525.212
Each (In a Pack of 5)
units
10W 22V - 70Ah 60W Polycrystalline 17% 397 x 280 x 25mm 25mm 397mm +85°C -40°C 280mm Surface Mount
RS stock no. 904-6140
BrandRS PRO
R 3,165.39
Each (In a Pack of 2)
units
80W 22V - 10Ah 360W Monocrystalline 17% 670 x 815 x 35mm 35mm 670mm +85°C -40°C 815mm Surface Mount
RS stock no. 111-1037
Mfr. Part No.STP045P
BrandPV Logic
R 2,631.93
Each
units
- 22V - 10Ah 45W Polycrystalline - 634 x 535 x 25mm 25mm 634mm +85°C -40°C 535mm Wall Mount
RS stock no. 111-1033
Mfr. Part No.STP005P
BrandPV Logic
R 518.37
Each
units
- 22V - 35Ah 5W Polycrystalline - 306 x 218 x 25mm 25mm 306mm +85°C -40°C 218mm Wall Mount
RS stock no. 111-1035
Mfr. Part No.STP020P
BrandPV Logic
R 1,263.76
Each
units
- 22V - 10Ah 20W Polycrystalline - 638 x 278 x 25mm 25mm 638mm +85°C -40°C 278mm Wall Mount
RS stock no. 904-6137
BrandRS PRO
R 1,672.366
Each (In a Pack of 5)
units
45W 22V - 10Ah 270W Monocrystalline 17% 634 x 535 x 25mm 25mm 634mm +85°C -40°C 535mm Surface Mount
RS stock no. 888-3695
Mfr. Part No.310207
BrandPhaesun
R 6,264.51
Each
units
30 x 2W 21.6V - - - Monocrystalline - 345 x 645 x 60mm 60mm 645mm - - 345mm -