1
GATE EE 2009
MCQ (Single Correct Answer)
+2
-0.6
The circuit shows an ideal diode connected to a pure inductor and is connected to a purely sinusoidal $$50$$ $$Hz$$ voltage source. Under ideal condition the current waveform through the indicator will look like GATE EE 2009 Power Electronics - Single and Three Phase Rectifier Question 9 English
A
GATE EE 2009 Power Electronics - Single and Three Phase Rectifier Question 9 English Option 1
B
GATE EE 2009 Power Electronics - Single and Three Phase Rectifier Question 9 English Option 2
C
GATE EE 2009 Power Electronics - Single and Three Phase Rectifier Question 9 English Option 3
D
GATE EE 2009 Power Electronics - Single and Three Phase Rectifier Question 9 English Option 4
2
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
A single phase full bridge converter supplies a load drawing constant and ripple free load current. If the triggering angle is $${30^ \circ },$$ the input power factor will be
A
$$0.65$$
B
$$0.78$$
C
$$0.85$$
D
$$0.866$$
3
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
A three phase fully controlled bridge converter is feeding a load drawing a constant and ripple free load current of $$10$$ $$A$$ at a firing angle of $${30^ \circ }.$$ The approximate Total Harmonic Distortion $$(\% \,\,THD)$$ and $$r.m.s$$ value of fundamental component of the input current will respectively be
A
$$31\,\% $$ and $$6.8$$ $$A$$
B
$$31\,\% $$ $$7.8$$ $$A$$
C
$$66\,\% $$ $$6.8$$ $$A$$
D
$$66\,\% $$ $$7.8$$ $$A$$
4
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
A single - phase half controlled converter shown in the figure feeding power to highly inductive load. The converter is operating at a firing angle of $${60^ \circ }.$$ GATE EE 2008 Power Electronics - Single and Three Phase Rectifier Question 11 English

If the firing pulses are suddenly removed, the steady state voltage $$\left( {{V_0}} \right)$$ waveform of the converter will become

A
GATE EE 2008 Power Electronics - Single and Three Phase Rectifier Question 11 English Option 1
B
GATE EE 2008 Power Electronics - Single and Three Phase Rectifier Question 11 English Option 2
C
GATE EE 2008 Power Electronics - Single and Three Phase Rectifier Question 11 English Option 3
D
GATE EE 2008 Power Electronics - Single and Three Phase Rectifier Question 11 English Option 4
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