FAQs
6. Your Burning Questions, Finally Resolved!
Still scratching your head about kVA? Here are some frequently asked questions to clear up any lingering confusion:
Q: What happens if I overload a transformer rated in kVA?
A: Overloading a transformer, regardless of whether it's due to real or reactive power, will cause it to overheat. This can damage the insulation and shorten the transformer's lifespan, potentially leading to failure. It's like pushing a car beyond its maximum weight capacity — eventually, something's going to break!
Q: How can I improve my power factor?
A: You can improve your power factor by installing power factor correction equipment, such as capacitors. Capacitors supply reactive power to the system, which reduces the amount of reactive power that the transformer needs to supply. This lowers the kVA demand and improves the overall efficiency of the electrical system. Ask an electrical engineer about that. They're experts!
Q: Is a higher kVA rating always better?
A: Not necessarily. While a higher kVA rating means the transformer can handle more apparent power, it also means it's more expensive. It's important to choose a transformer that's appropriately sized for your needs. Oversizing the transformer can be wasteful and inefficient. It is like buying a car that is bigger than needed.
Q: Can I convert kVA to kW?
A: Yes, you can convert kVA to kW using the following formula: kW = kVA * power factor. To get this number you need to know your power factor.