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To determine the battery capacity needed for a 20 kVA UPS to provide 30 minutes of backup time, you first need to convert kVA to kW, assuming a power factor of 0.8, resulting in 16 kW. For 30 minutes of backup, you would calculate the energy requirement: 16 kW × 0.5 hours = 8 kWh. Therefore, you would need a battery capacity of at least 8 kWh, but it's advisable to consider additional capacity for efficiency losses and battery discharge characteristics, so a battery rated around 10 kWh would be recommended.
What else can I help you with?
What size cable needed too run 20kva 320 meters?
Well, isn't that a lovely question! To power a 20kVA load over 320 meters, you'll want to use a cable size that can handle the electrical current without losing too much energy along the way. I recommend consulting with a local electrician or engineer to determine the specific cable size needed based on factors like voltage drop, cable type, and installation conditions. Just remember, with the right guidance, you'll create a beautiful and safe electrical connection for your needs.
How do you convert AMPS to KVAs?
A rough guide is to divide kVA by the supply voltage then multiply by 1000 to get current in Amps. E.g. 20kVA divided by 120V is 0.167; times 1000 is 167 Amps. But kVA is not the same as kW, so more information is needed before equipment is used.
