1
GATE EE 2022
Numerical
+1
-0.33
A 3-phase grid-connected voltage source converter with DC link voltage of 1000 V is switched using sinusoidal Pulse Width Modulation (PWM) technique. If the rid phase current is 10 A and the 3-phase complex power supplied by the converter is given by ($$-$$4000 $$-$$ j3000) VA, then the modulation index used in sinusoidal PWM is _________. (round off to two decimal places).
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2
GATE EE 2017 Set 2
MCQ (Single Correct Answer)
+1
-0.3
A three-phase voltage source inverter with ideal devices operating in $${180^ \circ }$$ conduction mode is feeding a balanced star-connected resistive load. The $$DC$$ voltage input is $${V_{dc}}.$$ The peak of the fundamental component of the phase voltage is
3
GATE EE 2017 Set 1
Numerical
+1
-0
In the converter circuit shown below, the switches are controlled such that the load voltage $${v_0}\left( t \right)$$ is a $$400$$ $$Hz$$ square wave.
The RMS value of the fundamental component of $${v_0}\left( t \right)$$ in volts is ___________.
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4
GATE EE 2017 Set 1
Numerical
+1
-0
A $$3$$-phase voltage source inverter is supplied from a $$600V$$ $$DC$$ source as shown in the figure below. For a star connected resistive load of $$20\,\,\Omega $$per phase, the load power for $${120^ \circ }$$ device conduction, in $$kW,$$ is ___________.
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Questions Asked from Inverters (Marks 1)
Number in Brackets after Paper Indicates No. of Questions
GATE EE Subjects
Electromagnetic Fields
Signals and Systems
Engineering Mathematics
General Aptitude
Power Electronics
Power System Analysis
Analog Electronics
Control Systems
Digital Electronics
Electrical Machines
Electric Circuits