GATE EE

Ac Voltage Controllers

Power Electronics

(Past Years Questions)

Marks 1

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In the single phase voltage controller circuit shown in the figure, for what range of triggering angle $$\left( \alpha ...
GATE EE 2008
Thysistor circuits that directly convert poly phase $$ac$$ voltage from one frequency to another frequency are called _...
GATE EE 1994

Marks 2

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A single-phase $$SCR$$ based $$ac$$ regulator is feeding power to a load consisting of $$5\,\,\Omega $$ resistance and $...
GATE EE 2014 Set 2
The triac circuit shown in figure controls the $$ac$$ output power to the resistive load. The peak power dissipation in ...
GATE EE 2004

Marks 5

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A single phase voltage source of magnitude $${V_s}$$ and frequency $$\omega \,\,\left( {rad\,/\,\sec } \right)$$ is conn...
GATE EE 2000

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