Transformer Formula For Voltage

Transformer formula for voltage
Since you know kVA = V * l / 1,000, we can solve for V to get V = kVA * 1,000 / l. So you'll multiply your kVA rating by 1,000 and then divide by the amperage. If your transformer has a kVA rating of 75 and your amperage is 312.5, you'll plug those numbers into the equation — 75 * 1,000 / 312.5 = 240 volts.
What is the formula for calculating transformer?
To calculate the rating of a single-phase transformer with a load voltage of 240 volts and maximum load phase current of 175 amperes: The kVA rating of the transformer = V × I = 240 × 175 = 42kVA. Dividing the kVA by 0.8, revised kVA= 52.5.










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