If the turn ratio of a step-down transformer is 10:1 and the series impedance (referred to the primary) of j50 ohm.  If the no-load primary voltage is 230 kV (line-to-line), the secondary side is serving a Y-connected balance load of 1.5+ j0.25  ohms, the real power (per phase) absorbed by the load would be:   A. 142 MW   B. None of the other choices are correct   C. 94  MW   D. 122 MW   E. 49 MW

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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.