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
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 2 English](https://imagex.cdn.examgoal.net/m7yfsZo3vSQQsPhn8/2Oxgek9YvsvhUdIDVPKaBiaQ5m0k6/EfPN9J7gDLdVDc0RBeX6Ds/uploadfile.jpg)
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 Ac Voltage Controllers (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