A single-phase 100 kVA, 2400/240 V, two-winding transformer will be used as a step-down auto-transformer in a 2640/2400 V system. The connection diagram of the transformer is given below. Calculate the I1, I2 and Ix currents given in the figure. Compare the kVA values of the auto transformer with the kVA values of two-winding transformers

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Single Phase Transformer

A single-phase transformer is a type of power transformer. It is an electrical device that accepts converts the single phase alternating power into single phase alternating power. In this power conversion the voltage is stepped up or down. If the voltage is stepped up, the current will be stepped down and if the voltage is stepped down, the current will be stepped up.