1
GATE EE 2007
MCQ (Single Correct Answer)
+2
-0.6
A single - phase voltage source inverter is controlled in a single pulse - width modulated mode with a pulse width of $${150^0}$$ in each half cycle. Total harmonic distortion is defined as
$$THD = {{\sqrt {V_{rms}^2 - V_1^2} } \over {{V_1}}} \times 100,\,\,\,$$ Where $${{V_1}}$$ is the $$rms$$ value of the fundamental component of the voltage. The $$THD$$ of output $$ac$$ voltage waveform is
$$THD = {{\sqrt {V_{rms}^2 - V_1^2} } \over {{V_1}}} \times 100,\,\,\,$$ Where $${{V_1}}$$ is the $$rms$$ value of the fundamental component of the voltage. The $$THD$$ of output $$ac$$ voltage waveform is
2
GATE EE 2007
MCQ (Single Correct Answer)
+2
-0.6
A single - phase inverter is operated in $$PWM$$ mode generating a single - pulse of width $$2d$$ in the center of each half cycle as shown in figure. It is found that the output voltage is free from $${5^{th}}$$ harmonic for pulse width $${144^0}.$$ What will be percentage of $${3^{rd}}$$ harmonic present in the output voltage $$\,\left( {{V_{03}}/{V_{01\,\,\,\max }}} \right)?$$
![GATE EE 2007 Power Electronics - Inverters Question 17 English](https://gateclass.cdn.examgoal.net/RAP87mFnZgPxDAC1V/voMLi1jV86sUUvXHuRV3my4MWKaN2/DpNbTEDqIaWGylKeYIQmw1/uploadfile.jpg)
3
GATE EE 2007
MCQ (Single Correct Answer)
+2
-0.6
In the circuit of adjacent figure the diode connects the $$ac$$ source to pure inductance $$L.$$
![GATE EE 2007 Power Electronics - Single and Three Phase Rectifier Question 15 English](https://gateclass.static.cdn.examgoal.net/FmCogYc7syfBuD8rY/UEwVArYKR9jmm6bEXy0aiiRaROCER/STNRZoLceknZMtMnfbXGve/uploadfile.jpg)
The diode conducts for
4
GATE EE 2007
MCQ (Single Correct Answer)
+2
-0.6
$$230$$ $$V$$ (phase) $$50$$ Hz, three-phase, $$4$$-wire, system has a sequence $$ABC$$. A unity power-factor load of $$4$$ kW is connected between phase A and neutral $$N$$. It is desired to achieve zero neutral current through the use of a pure inductor and pure capacitor in the other two phases. The Value of inductor and capacitor is......
Paper analysis
Total Questions
Analog Electronics
6
Control Systems
8
Digital Electronics
5
Electric Circuits
8
Electrical and Electronics Measurement
2
Electrical Machines
10
Electromagnetic Fields
4
Engineering Mathematics
8
Power Electronics
11
Power System Analysis
10
Signals and Systems
8
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