A 3-phase fully controlled bridge converter with free wheeling diode is fed from 400 V, 50 Hz AC source and is operating at a firing angle of 60 . The load current is assumed constant at 10 A due to high load inductance. The input displacement factor (IDF) and the input power factor (IPF) of the converter will be

A 3-phase fully controlled bridge converter with free wheeling diode i

1.	A 3-phase fully controlled bridge converter with free wheeling diode is fed from 400 V, 50 Hz AC source and is operating at a firing angle of 60 . The load current is assumed constant at 10 A due to high load inductance. The input displacement factor (IDF) and the input power factor (IPF) of the converter will be
A.	IDF = 0.867IPF = 0.828
B.	IDF = 0.867IPF = 0.552
C.	IDF = 0.5 IPF = 0.478
D.	IDF = 0.5 IPF = 0.318
Answer» D. IDF = 0.5 IPF = 0.318

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