To determine the size of the electric generator you need to power a big deep freezer and a big fridge simultaneously, you'll need to calculate the total wattage or power consumption of both appliances. Here's a step-by-step guide to help you with the calculation:
Find the wattage ratings: Locate the nameplate or specification label on each appliance. This label should provide information about the power consumption in watts (W) or kilowatts (kW). Look for "W," "Watts," "kW," or "Kilowatts" on the label.
Convert to watts if necessary: If the power rating is in kilowatts (kW), convert it to watts by multiplying the kilowatt value by 1000 (1 kW = 1000 W).
Add up the wattages: Add the wattages of the deep freezer and the fridge to get the total power consumption when both appliances are running simultaneously.
Consider starting surge: Keep in mind that both appliances can have a higher power draw during startup or when the compressor kicks in. Generators should have the capacity to handle this temporary surge without overloading.
Select the generator size: Once you have the total wattage required for both appliances, choose a generator with a capacity that exceeds this total. It's recommended to have some buffer room, so the generator doesn't run at its maximum capacity continuously.
For example, let's say your deep freezer consumes 600 watts, and your fridge consumes 800 watts:
Total wattage = 600 W (deep freezer) + 800 W (fridge) = 1400 watts
Considering the starting surge, you might want to choose a generator with a capacity of around 2000 to 2500 watts. This should provide enough power to run both appliances simultaneously without overloading the generator.
Keep in mind that this calculation is based solely on running the deep freezer and fridge at the same time. If you plan to use additional appliances during a power outage, you'll need to account for their power consumption as well. It's always a good idea to consult with a qualified electrician or generator expert for personalized advice and to ensure the generator is appropriately installed and operated for your specific needs.