Question

Diffrence between half wave and full wave rectifier in table format



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Answer 1

Answer:

Half Wave Rectifier

1)Half wave rectifier current only during positive half cycle of the applied input, therefore, it shows unidirectional characteristics.

2)Output frequency (fundamental ripple frequency) of half wave rectifier is equal to the frequency of input i.e 50Hz.

3)Half wave rectifier has less ripple factor when compared to full wave rectifier. For half wave rectifier it is about 1.21.

4) The peak inverse voltage for half wave rectifier is equivalent to the maximum value of applied input voltage.

5)Half wave rectifier has a fair good voltage regulation mechanism.

6) Half wave rectifier circuit requires only one diode.

7)Half wave rectifier has an efficiency of 40.6%.

8)Half wave rectifier does not require center tapping of the secondary winding of transformer.

9)DC saturation of the transformer core is a common problem in the half waver rectifier circuit.

10)Half wave rectifier is less costly since it requires only one diode.

Full Wave Rectifier

1) Full wave rectifier, both the halves of the input signal is utilized at the same time of operation, therefore it shows bidirectional characteristics.

2)Full wave rectifier output frequency (fundamental ripple frequency) is twice that of the applied input i.e 100Hz.

3)Full wave rectifier has more ripple factor when compared to half wave rectifier. For full wave rectifier, it is about 0.482.

4)Peak inverse voltage for full wave rectifier is twice the maximum value of applied input voltage.

5)Full wave rectifier has a better voltage regulation mechanism when compared to half wave rectifier.

6)In full wave rectifier circuit, two or even 4 diodes are used in the circuit.

7)Efficiency of full wave rectifier is 81.2%.

8) Full wave rectifier requires center tapping of the secondary winding of the transformer.

9) Full wave rectifier circuit does not have DC saturation of transformer core because the current in the secondary winding flows in two halves of the secondary winding of the transformer and in opposite direction.

10) Full wave rectifier is more costly since it requires more than 1diodes.

Explanation:

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