Question
Download Solution PDFThe peak factor of a half - wave rectified sine wave is _______.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
The peak factor is defined as the ratio of the maximum value to the RMS value of an alternating quantity.
Peak factor = Peak value / RMS value
RMS voltage of a half-wave rectifier,
VRMS = Vm/2
Where Vm is the Maximum or peak voltage.
Then the Peak factor of half wave rectifier can be calculated as,
Vm / VRMS = Vm / ( Vm / 2 ) = 2 Vm / Vm = 2
Additional Information
Similarly, For a full wave rectifier,
The RMS voltage → VRMS = Vm / √2
Therefore,
The Peak factor value of the full wave rectifier = Vm / Vm/ √2 = Vm √2 / Vm = √2 = 1.414
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