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Transformer utilization factor

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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]

$T.U.F={\frac {P_{odc}}{VA\ rating\ of\ transformer}}$

The $VA$ rating of the transformer can be defined as: $VA=V_{r.m.s}{\dot {I}}_{r.m.s}(For\ secondary\ coil.)$ TRANSFORMER utilization factor for half wave rectifier is .287 or .3.

References[edit]

^ Rashid, Muhammad (2011-01-13). POWER ELECTRONICS HANDBOOK. Elsevier. pp. 153–. ISBN 9780123820372. Retrieved 29 November 2014.

^ Atul P. Godse; U. A. Bakshi (2008-01-01). Elements Of Electronics Engineering. Technical Publications. pp. 8–. ISBN 9788184312928. Retrieved 29 November 2014.

External links[edit]

"Transformer Utilization Factor (TUF)". electricalbaba.com.

v t e Transformer topics
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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 Mitsubishi Electric ProlecGE Schneider Electric Siemens TBEA

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