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a 2 diode rectifier is a center tap rectifier an a 4 diode rectifier will be a bridge rectifier
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A two-diode rectifier is not always a centre-tap rectifier.
If the two diodes are connected to the same end of a transformer's secondary, one by its anode and one by its cathode, one will proved a positive voltage with respect to trhe other end of the winding and the other will provide a negative voltage.
(But perhaps that isn't considered a two-diode rectifier - but a two single-diode ones.)
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How many diodes in full wave rectifier?
Depends on the number of phases.single phase uses 4 diodesthree phase uses 6 diodes
What is the disadvantage of using the centre tapped full wave rectifier?
it can be driven by a single source voltage, such as the untapped secondary of a transformer or directly from the power line. The peak reverse voltage that can be tolerated is 2x the reverse breakdown of the diodes.
What is full waves rectifier?
The full wave rectifier is a means of converting alternating current (ac) into direct current (dc). It is done with either the use of 2 diodes coming off a center tapped transformer, or by using a bridge rectifier, which conists of 4 diodes ganged together in a certain configuration. As it's name implies, it converts both the positive going and the negative going parts of the sign wave into useable dc, and therefore is more efficient than a half wave rectifier, which only converts 1/2 of the complete sign wave into useable dc.
Why the power factor of semiconverter is better than full converter?
because semi converter has 1ly 2 thyristor where else full converter has 4 thyrister..thn semi converter the rectification is through rectifier and diodes. but in ful converter no diodes is used 1ly 4 thyristers are used
What is the advantages of using the bridge rectifier over the center tapped rectifier?
you only use half the number of windings in the bridge comparing it to the center tapped , and in the bridge rectifier the peak inverse voltage that a diode must be able to sustain without break down is half of that in the center tapped PIV per diode: center tapped: 2Vm : bridge : 1Vm
