Power Electronics
Choppers and Commutation Techniques
Marks 1Marks 2Marks 5
Single and Three Phase Rectifier
Marks 1Marks 2Marks 5
Power Semiconductor Devices
Marks 1Marks 2
Ac Voltage Controllers
Marks 1Marks 2Marks 5
1
GATE EE 2012
MCQ (Single Correct Answer)
+2
-0.6
In the $$3$$-phase inverter circuit shown, the load is balanced and the gating scheme is $${180^ \circ }$$ -conduction mode. All the switching devices are ideal. GATE EE 2012 Power Electronics - Inverters Question 15 English

If the $$dc$$ bus voltage $${V_d} = 300\,\,V,$$ the power consumed by $$3$$-phase load is

A
$$1.5$$ $$kW$$
B
$$2.0$$ $$kW$$
C
$$2.5$$ $$kW$$
D
$$3.0$$ $$kW$$
2
GATE EE 2012
MCQ (Single Correct Answer)
+2
-0.6
In the $$3$$-phase inverter circuit shown, the load is balanced and the gating scheme is $${180^ \circ }$$ -conduction mode. All the switching devices are ideal. GATE EE 2012 Power Electronics - Inverters Question 14 English

The $$rms$$ value of load phase voltage is

A
$$106.1$$ $$V$$
B
$$141.4$$ $$V$$
C
$$212.2$$ $$V$$
D
$$282.8$$ $$V$$
3
GATE EE 2009
MCQ (Single Correct Answer)
+2
-0.6
The Current Source Inverter shown in Figure is operated by alternately turning on thyristor pairs $$\left( {{T_1},\,\,{T_2}} \right)$$ and $$\left( {{T_3},\,\,{T_4}} \right).$$ If the load is purely resistive, the theoretical maximum output frequency obtainable will be GATE EE 2009 Power Electronics - Inverters Question 16 English
A
$$125$$ $$kHz$$
B
$$250$$ $$kHz$$
C
$$500$$ $$kHz$$
D
$$50$$ $$kHz$$
4
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
A single phase voltage source inverter is feeding a purely inductive load as shown in the figure. GATE EE 2008 Power Electronics - Inverters Question 17 English

The inverter is operated at $$50$$ $$Hz$$ in $${180^0}$$ square wave mode. Assume that the load current does not have any $$dc$$ component. The peak value of the inductor current $${i_0}$$ will be

A
$$6.37$$ $$A$$
B
$$10$$ $$A$$
C
$$20$$ $$A$$
D
$$40$$ $$A$$
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
Electrical and Electronics Measurement