Contents
What is ripple factor in power supply?
What is Ripple Factor? Ripple Factor is the ratio of rms value of ac component present in the rectified output to the average value of rectified output. It is a dimensionless quantity and denoted by γ. Its value is always less than unity.
What is the formula for ripple factor?
The ripple factor is, = V RMS V DC 2 − 1 = 229.8 207 2 − 1 = 0.482 = 48.2 % .
What is DC ripple voltage?
Ripple (specifically ripple voltage) in electronics is the residual periodic variation of the DC voltage within a power supply which has been derived from an alternating current (AC) source. Ripple voltage originates as the output of a rectifier or from generation and commutation of DC power.
Where is VDC in half wave rectifier with filter?
Find out Vrms and ripple factor (r) using formula for half wave rectifier with filter as: Vrms= Vrp-p/2√3 and ripple factor (r) =1/ (2√3 f RLC), where Vrp-p is peak to peak ripple voltage. Find out efficiency by formula (η) = (Vdc/Vac)2, where Vac is nothing but Vrms of half wave rectifier.
What is the ideal value of ripple factor?
zero
Ideal value of ripple factor is zero. Zero ripple factor means a perfectly dc quantity. Undesirable effects of the ripple include equipment heating, increased losses, and reduced equipment life among others. Ripple factor of a single- phase half-wave uncontrolled rectifier is 1.21.
What is the value of ripple factor?
The ripple factor for a full wave rectifier is 0.482 which can also be written as 48.2 %. Therefore, option c is the correct option. Note: -Ripple factor is the measure of effectiveness of a rectifier.
How will you find out ripple factor in different rectifier?
What is Ripple Factor?
- r=Irms/IDC For any rectifier to measure its effectiveness ripple factor is utilized.
- r=Irms/IDC
- Irms=Im/2.
- IDC= Im/π
- Irrms=√(Irms)2-IDC)2
- r=1/(2√3 f RLC)
- r=(Vrpp/2√3)/(Vp – 0.5Vrpp )
- Ripple Factor of Full Wave Rectifier (Similar for Both Centres- Tapped as Well As Bridge)