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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