Question
Download Solution PDFRipple factor for full wave rectifier
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFRipple factor:
The amount of AC present in the output of the signal is called as ripple.
The ripple factor indicates the number of ripples present in the DC output.
The output of the power supply is given by
\({\rm{Ripple\;factor}} = \frac{{{I_{rms}}\;of\;AC\;component}}{{{I_{DC}}\;component}}\)
It is given as:
\(\gamma = \sqrt {{{\left( {\frac{{{V_{rms}}}}{{{V_{DC}}}}} \right)}^2} - 1} \)
Thus if the ripple factor is less, the power supply has less AC components and power supply output is purer (i.e more DC without much fluctuations)
Thus ripple factor is an indication of the purity of output of the power supply.
For full-wave rectifier: γ = 0.48
For half-wave rectifier: γ = 1.21
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