The solar generators offer different power rating depending on their size, sunlight, and their capacity. For you to determine the size of the solar generator you need to invest in, you have to determine the amount of energy you use averagely.
For that, you need to list all the electrical appliances and devices you want to power with solar energy. Next, check on the power (watts) then need per hour. It’s quite easy; all you have to do is read the power rating tag on the unit back. If you cannot find the wattage rating, there will be the voltage and amps needed to run the equipment. Use these two values to calculate the power.
Here is a method to use in wattage power calculation:
First, determine the number of volts used by the appliance outlet, you can also find this info on the power requirement tag. Mostly, the electrical appliances will require either a 120-volt or 240-volt outlet.
Next, get the value of the amperage of your appliance or device. Once you have these two values, use the following formula:
Power (watts) = Voltage (Volts) x Amperage (Amps)
Multiply the voltage of your house appliance with the number of amps of the same device. The result will give the watts needed to run the machine in an hour, and that’s its power consumption per hour.
Once you have the watts per hour, you have to figure out the number of hours, on average you use the appliances in a day. Factor in the highest usage time, which requires you to do the calculation of the majority of hours you spend at home and at the weekends. Once you determine the number of hours you spend using the appliance and devices, multiply it with the wattage the equipment used in an hour at its maximum rate.
The result you get here will give you the amount of power you need in a day. That way, it’ll be much easier to determine the solar generator you need. The solar generators can be either small (10-250 Watt), medium (250-1000W), or large (above 1000 Watt).
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