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The advantage of free wheeling diode in a Full Ware
rectifier is
-reduces the harmonics
-Supplies the voltage at negative vlotage

Answers were Sorted based on User's Feedback

The advantage of free wheeling diode in a Full Ware rectifier is -reduces the harmonics -Suppli..

Answer / zan

yes i agreed..

A flyback diode( sometimes called free wheelingdiode)
reduce harmonics and also it reduce the voltage spike seen
occure in an inductive load.

Is This Answer Correct ?    17 Yes 2 No

The advantage of free wheeling diode in a Full Ware rectifier is -reduces the harmonics -Suppli..

Answer / durga05

A Free Wheel Diode (FWD) at the output of a full wave rectifier will:

1) Increase DC voltage for a given firing angle due to the elimination of negative portions of the instantaneous dc waveform in a SCR phase controlled converter,

2) Will reduce the generated ripple voltage on the DC side of a SCR phase controlled converter due to same reason as in above, reducing the filtering requirements.

3) Will improve the input PF in an SCR phase controlled converter due to ending the input current waveform earlier by permitting internal free-wheeling.

However, the above will happen only if (a) the DC side has sufficient inductance either as filter or as part of load, (b) the firing angle is more than 30 deg for 3-phase, only after which the negative portion appears. Note that there will be no benefit in a diode rectifier since the FWD is always reverse-biased.

Also note that use of the FWD prevents operation of the SCR converter in inversion mode.

Is This Answer Correct ?    7 Yes 1 No

The advantage of free wheeling diode in a Full Ware rectifier is -reduces the harmonics -Suppli..

Answer / shubham

along with harmonic reduction, it also reduces sparking and
arcing across the mechanical switch (if being employed)

Is This Answer Correct ?    8 Yes 3 No

The advantage of free wheeling diode in a Full Ware rectifier is -reduces the harmonics -Suppli..

Answer / guest

Supplies the voltage at negative vlotage

Is This Answer Correct ?    7 Yes 3 No

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