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Merits and Demerits of Bridge Rectifier Over Center-Tap Rectifier| first year engineering e and c|

 

Merits and Demerits of Bridge Rectifier Over Center-Tap Rectifier.

  • A bridge rectifier can be constructed with or without a transformer. If a transformer is involved, any ordinary step down/step up transformer will do the job. This luxury is not available in a center tap rectifier. Here the design of rectifier is dependent on the center tap transformer, which can not be replaced.
  • Bridge rectifier is suited for high voltage applications. The reason is the high peak inverse voltage (PIV) of bridge rectifier when compared to the PIV of a center tap rectifier.
  • Transformer utilization factor (TUF) is higher for bridge rectifier.

Full wave rectifier finds uses in the construction of constant dc voltage power supplies, especially in general power supplies.  A bridge rectifier with an efficient filter is ideal for any type of general power supply applications like charging a battery, powering a dc device (like a motor, led etc) etc. 



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