Most fall into the 20 kVA to 100 kVA range. You’ll find a range of power generators on our site, from 6 kVA all the way up to 500 kVA. It is important to choose the right-sized generator for your needs. Generators come in all sizes and power outputs, so the kVA will differ to reflect this.
You can work out the expected load by adding up the number of watts needed to power each of your appliances or pieces of equipment and comparing this with the expected output of the generator in watts. An overload could damage the equipment that’s connected to it, as well as the generator itself. The kVA rating is important as you need to make sure you buy a generator with enough power to run the equipment you intend to use with it. That means a 20 kVA three-phase generator has a true power of 16 kW (20 x 0.8 = 16). For three-phase generators, the PF is usually 0.8. The PF is usually 1 for single-phase generators, which means kVA is the same as kW. You can calculate kVA into kW by multiplying with the power factor. The difference between the two is the power factor (PF), which is given as a ratio or percentage. This is different from kilowatts (kW), which measure the ‘true power’. Kilovolt-amps measure what’s called the ‘apparent power’ of a generator. It’s what you get when you multiply the voltage (the force that moves electrons around a circuit) by the amps (electrical current). WHAT DOES KVA MEAN ON A GENERATOR?Įssentially, the higher the kVA rating, the more power the generator produces.Ī kVA is 1,000 volt-amps.
We explain in more detail below, with advice on what kVA rating you might need. This is essentially an indication of the power output. A term you’ll see regularly in power generator specifications is kVA. There are technical terms aplenty when it comes to generators, and they can be confusing if you’re not familiar with them.
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