A tap-changing transformer has an effective impedance of 0.01+j 0.1 Ω and serves a load which draws an apparent power of 0.9 MVA with 0.8 lagging power factor. If the voltage at load terminals is 1 kV, find the voltage at the source side: (a) With 110% tap located at the load side. (b) With 90% tap located at the source side. (c) With 90% tap located at the load side. ..

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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.