Wednesday, 8 June 2016

HALF-WAVE RECTIFICATION

In half wave rectification, either the positive or negative half of the AC wave is passed, while the other half is blocked. Because only one half of the input waveform reaches the output, it is very inefficient if used for power transfer. Half-wave rectification can be achieved with a single diode in a one-phase supply, or with three diodes in a three-phase supply.
output voltage of half wave rectifier
The output DC voltage of a half wave rectifier can be calculated with the following two ideal equations:


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