# Transformer Capacity Calculator

An online Three phase transformer calculator to find the current in different power units. To increase/decrease the alternating volts in electric power, transformers are used. It has two types, single phase and three phase transformer. A 3 phase transformer has three magnetic circuits that are interlaced to give a uniform distribution of the dielectric flux between the high and low volts windings. Use this online transformer capacity calculator to find its volts, kVA and amps

## Three Phase Transformer Calculator | Calculate kVA, Volts and Amps

Code to add this calci to your website

#### Formula:

V = (k x 1000) / (A x Ph)
A = (k x 1000) / (V x Ph)
k = (Ph x V x A) / 1000
**Where,**
V = Volt
A = Amps
k = kVA
Ph = 3 phase (√3 = 1.732050808)
### Example:

Find the Transformer capacity kVA rating for 3 phase transformer of an electric current which generates 1500 V and 150 amps.

#### Solution:

k = (Ph x V x A) / 1000

kilovolt amps = (1.732050808 x 1500 x 150) / 1000

= 389.71 kVA

Three phase transformer has three connections such as delta, star and interconnected. Delta connection has an advantage where it has a capacity to deliver the original output even if any one transformer of a group are disabled.