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how to determine inverter and solar charger control (SCC) for solar power plants

Navigation Info - yesterday we learned about calculating the number of solar panels and also the number of batteries needed for a solar power plant if you haven't read it you can read directly in the article in the link below :


then next we will learn how to determine the specifications of the inverter that are suitable for the amount of power consumed from the power plant and it must also be remembered that the inverter used is a solar panel inverter which is useful for converting the electricity produced by solar panels with DC electricity into AC. So that with the solar panel inverter, you can still use home electrical devices that use AC electricity. As we know if at home you use electricity generated by solar panels (solar power) with DC electricity, you cannot use home appliances such as TVs, computers and others, all of which use AC electric current.


how to determine inverter and solar charger control (SCC) for solar power plants
how to determine inverter and solar charger control (SCC) for solar power plants


the standard inverter market that is sold is 590 watts/hour, although there are bigger specifications but more expensive than the previous question, which is as follows:

a house uses electric lights 10 watts  totaling 5 pieces with a usage time of 5 hours per day and using a refrigerator with electric power 100 watts one unit with a usage time of 24 hours a day and also has a television with electric power 20 watts  1 piece with usage 10 hours per day the amount of power is known  2850 watts and required solar panels 8 pieces of solar panels with the number of batteries ( AKI ) 6 pieces  battery specifications  12 v 100 ah ( 1200 watt ) then how much ah inverter specifications and solar charger control ( SCC ) which we should use ?

answer :

inverter used is :


from the total power consumption of 2850 watts it is certain if you turn it on together with an inverter with specifications 590 watts/hour and turning it on at the same time, it is certain that the inverter cannot be used if forced it will be damaged quickly so you have to use an inverter with a higher power specification above 2850 watts so that the inverter is durable in this case you can use an inverter 1000 watts/hour or if possible 5000 watts/hour  or higher is much better.

if we have determined the inverter capacity, then we will determine the size of the solar charger control (SCC) using the following formula:

Formula to determine the correct solar panel amperage for SCC


formula  solar charger control power = number of solar panels x electric current per solar panel ( Isc )

as we know that only in this problem we use 8 solar panels with 100 wp specifications which for 100 wp solar panels are as follows:

  • pm = 100 wp 
  • vm = 18 VDC
  • Voc= 21 A
  • Imp= 5 A
  • Isc= 6 A
what we need is Isc (short circuit current / electric current per solar panel) which in the data above the amount is 6 A then if we use the above formula.

formula  solar charger control power = number of solar panels x electric current per solar panel ( Isc )

8 solar panels x 6 Ampere = 48 Ampere

then we get for a solar panel measuring 100 wp with an Isc of 6 amperes with a total of 8 solar panels, we find 48 A then we  need spec  solar charger control ( SCC ) which is higher than 48 A which  sold in the market are usually 80 A.

that's how to determine the inverter and solar charger control (SCC) for solar power plants, hopefully it will be useful  fans thanks for visiting.

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