120W Solar System
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In Engineering Simple & Basic things are most important, if you don't understand the basic there is no chance to move forward to advance engineering.......
In this simple project I can explain you the best way possible how to create a 120W 24V off grid Solar system using two 60W 12V system....
This project is very simple you can do this by yourself.....
Things yo need :
1) 60W 12V Solar Panels (2)
2) 50Ah 12V Batteries
3)Charge Controller ( 10A)
4) Cables & MC4 Connectors
First Set up the panels
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| Picture A |
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| Picture B |
Open the Junction box rear of the12V 60W Picture A Solar Panels, you will see like Picture B, After you open the junction box you will see 3 connection points i) positive ii) negative iii) common ...
you will see two back to back bypass diode is connected trough the middle point is the common point...
front side of the back to back diode, in this case the right terminal of the diode is positive (+)
and the other terminal is negative (-)...
Now Connect your cable as you see in the Picture B, one terminal of you cable should go the the junction box and another to the MC4 connector...
https://www.youtube.com/watch?v=jGksTZpEGJI See this link if you don't know how to connect MC4 connectors to cables....
After completing the work in the junction box, closed it and connect two of the 12V 60W solar panel like in the Picture A...
After connecting the two panel together you will get 24V 120W solar system
Now give your connection like the first picture .......
120W 24 V output cable will go to the 10A Charge controller...
10A Charge controller output will go to the Series connected batteries which is now 24V 100Ah battery storage,
The Series connection of batteries is exactly same as solar panel but for the connectors use battery connectors or crocodile wire connectors...
Now you have it, a fully functioning 120W 24V Solar System , to see the Electrical Appliance please see..
Jajakallahu khairan
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