ExamSIDE
Questions (Powered by ExamGOAL)
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
Inverters
Marks 1Marks 2Marks 5
1
GATE EE 2024
MCQ (Single Correct Answer)
+1
-0.33

A single-phase triac based AC voltage controller feeds a series RL load. The input AC supply is 230 V, 50 Hz. The values of R and L are 10 Ω and 18.37 mH, respectively. The minimum triggering angle of the triac to obtain controllable output voltage is

A

15°

B

30°

C

45°

D

60°

2
GATE EE 2008
MCQ (Single Correct Answer)
+1
-0.3
In the single phase voltage controller circuit shown in the figure, for what range of triggering angle $$\left( \alpha \right)$$, the output voltage $$\left( {{V_0}} \right)$$ is not controllable? GATE EE 2008 Power Electronics - Ac Voltage Controllers Question 4 English
A
$${0^ \circ } < \alpha < {45^ \circ }$$
B
$${45^ \circ } < \alpha < {135^ \circ }$$
C
$${90^ \circ } < \alpha < {180^ \circ }$$
D
$${135^ \circ } < \alpha < {180^ \circ }$$
3
GATE EE 1994
Fill in the Blanks
+1
-0
Thysistor circuits that directly convert poly phase $$ac$$ voltage from one frequency to another frequency are called _______.
Questions Asked from Marks 1
GATE EE 2024 (1) GATE EE 2008 (1) GATE EE 1994 (1)
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