1
GATE EE 2018
Numerical
+1
-0.33
The waveform of the current drawn by a semi-converter from a sinusoidal AC voltage source is shown in the figure. If I0 = 20 A, the rms value of fundamental component of the current is ___________A (up to 2 decimal places). GATE EE 2018 Power Electronics - Single and Three Phase Rectifier Question 6 English
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2
GATE EE 2018
MCQ (Single Correct Answer)
+1
-0.33
A single phase fully controlled rectifier is supplying a load with an anti-parallel diode as shown in the figure. All switches and diodes are ideal. Which one of the following is true for instantaneous load voltage and current? GATE EE 2018 Power Electronics - Single and Three Phase Rectifier Question 5 English
A
$${v_0} \ge 0\,\,\& \,\,{i_0} < 0$$
B
$${v_0} < 0\,\,\& \,\,{i_0} < 0$$
C
$${v_0} \ge 0\,\,\& \,\,{i_0} \ge 0$$
D
$${v_0} < 0\,\,\& \,\,{i_0} \ge 0$$
3
GATE EE 2017 Set 2
MCQ (Single Correct Answer)
+1
-0.3
In the circuit shown, the diodes are ideal, the inductance is small, and $${{\rm I}_0} \ne 0.$$ Which one of the following statements is true? GATE EE 2017 Set 2 Power Electronics - Single and Three Phase Rectifier Question 43 English
A
$${D_1}$$ conducts for greater than $${180^ \circ }$$ and $${D_2}$$ conducts for greater than $${180^ \circ }$$
B
$${D_2}$$ conducts for more than $${180^ \circ }$$ and $${D_1}$$ conducts for $${180^ \circ }$$
C
$${D_1}$$ conducts for $${180^ \circ }$$ and $${D_2}$$ conducts for $${180^ \circ }$$
D
$${D_1}$$ conducts for more than $${180^ \circ }$$ and $${D_2}$$ conducts for $${180^ \circ }$$
4
GATE EE 2017 Set 2
MCQ (Single Correct Answer)
+1
-0.3
A phase-controlled, single-phase, full-bridge converter is fed from a $$230$$ $$V,$$ $$50$$ $$Hz,$$ $$AC$$ source. The fundamental frequency in $$Hz$$ of the voltage ripple on the $$DC$$ side is
A
$$25$$
B
$$50$$
C
$$100$$
D
$$300$$
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