Transformer utilization factor

The transformer utilization factor (TUF) of a rectifier circuit is defined as the ratio of the DC power available at the load resistor to the AC rating of the secondary coil of a transformer.^[1]^[2]

$T . U . F = \frac{P_{o d c}}{V A r a t i n g o f t r a n s f o r m e r}$

The $V A$ rating of the transformer can be defined as: $V A = V_{r . m . s} {\dot{I}}_{r . m . s} (F o r s e c o n d a r y c o i l .)$ TRANSFORMER utilization factor for half wave rectifier is .287 or .3.

References

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[1]

[2]

v t e Transformer topics
Topics	Balun Buchholz relay Bushing Center tap Circle diagram Condition monitoring of transformers Electrical insulation paper Growler High-leg delta Induction regulator Leakage inductance Magnet wire Metadyne Open-circuit test Polarity Pressure relief valve Quadrature booster Resolver Resonant inductive coupling Severity factor Short-circuit test Stacking factor Synchro Tap changer Toroidal inductors and transformers Transformer oil Dissolved gas analysis Transformer oil testing Transformer utilization factor Vector group
Types	Autotransformer Buck–boost transformer Distribution transformer Pad-mounted transformer Delta-wye transformer Energy efficient transformer Amorphous metal transformer Flyback transformer Grounding transformer Instrument transformer Current transformer Voltage transformer Isolation transformer Austin transformer Linear variable differential transformer Parametric transformer Planar transformer Rotary transformer Rotary variable differential transformer Scott-T transformer Solid-state transformer Trigger transformer Variable-frequency transformer Zigzag transformer
Coils	Hybrid coil Induction coil Oudin coil Polyphase coil Repeating coil Tesla coil Trembler coil
Manufacturers	ABB General Electric Maddox Mitsubishi Electric ProlecGE Schneider Electric Siemens TBEA WEG

Transformer utilization factor

References

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