Transformer utilization factor

Transformer Utilization Factor (T.U.F) of a rectifier circuit is defined as the ratio of the DC power available at the load resistor and the AC rating of the secondary coil of the transformer.

$T.U.F={\frac {P_{odc}}{V_{A}\ rating\ of\ Transformer}}$

The $V_{A}$ rating of the transformer can be defined as: <math> V_A = V_{r.m.s} \dot I_{r.m.s} (For\ secondary\ coil.) </math

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