Half wave Rectifier Explained

In this video, the half-wave rectifier circuit working and different specifications /parameters like RMS value, average value, efficiency and ripple factor of the half-wave rectifier is discussed.

By watching this video you will learn the following topics:

1:00 Half wave rectifier circuit and its working

4:54 Average value of half wave rectifier

6:02 RMS value of half wave rectifier

7:35 Peak Inverse Voltage (PIV) for half wave rectifier

8:23 Ripple factor of half wave rectifier

9:10 Half wave rectifier with capacitor filter

12:12 The efficiency of the half wave rectifier

12:57 Applications of half wave rectifier

What is half wave rectifier:

The half wave rectifier is the circuit designed using the diode which is used for converting the AC voltage signal into the DC voltage.

The half wave rectifier only passes the one half of the input sine wave (either positive or negative) and rejects the other half.

The output of the half wave rectifier is pulsating DC. The ripple in the output waveform can be reduced using the filter.

To remove or reduce the ripple from the output waveform, the RC time constant of the filter circuit should be much larger than the time period of the half wave rectifier.

Parameters of the half wave rectifier:

Average Value: Vm / π

RMS Value: Vm/2

Ripple Factor: 1.21

Efficiency: 40.6 %

PIV: Vm

The link for the other useful videos related to diode:

1) Introduction to a diode and V-I characteristics of the diode
https://www.youtube.com/watch?v=EdUAecpYVWQ

2) The diode resistance Explained:
https://www.youtube.com/watch?v=hag5ss1ZxH0

3) RMS and Average Value:
https://youtu.be/qDHsokTcgck
This video will be helpful to all students of science and engineering in understanding the half wave rectifier.

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