Monday, March 28, 2016

The number of Solar energy storage inverter Panels and their ratings

The number of Solar energy storage inverter Panels and their ratings
The total power usage daily is 9228 Wh. Now you will need to know on average how many sunlight hours your region has. I've found many websites that detail this, so that shouldn't be a problem. Let's work on about 7 hours. That means 9228Wh / 7h = 1318.30W. Add about 20% for a buffer and for any inefficiencies with the panels, and you'll end up with a requirement to generate 1576W of power per day.
You'll need to get enough panels to have all their outing ratings add to 1576W. So if you wanted to get 140W panels, you'll get 12 of them, because 12 x 140W = 1680W or 24 x 70W = 1680W.
How many must power inverter Batteries?
This depends on the panels that you use. The 140W panels produce a current of 7.7A. So if you have 12 of them, the total current would be 92.4 A. The current also also be there for about 7 hours a day (the amount of sunlight per day). That means there will be 646.8 Ah per day that needs to be stored.

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