A two-winding, step-down transformer has a turns-ratio (N2/N1) of 0.5. The primary winding resistance and reactance are 2.5Ω and 6Ω, whereas the secondary winding resistance and reactance are 0.25Ω and 1Ω, respectively. Its magnetizing current and core-loss current are 51.5 mA and 20.6 mA. While in operation, the output voltage for a load of 25 /_ 300 is found to be 50 V. Determine the supply voltage, the current drawn from the supply and the power factor. ...

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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.