GATE EE 2011 | GATE EE Year Wise Previous Years Questions

GATE EE 2011

MCQ (Single Correct Answer)

-0.6

A solar energy installation utilize a three – phase bridge converter to feed energy into power system through a transformer of $$400V/400 V,$$ as shown below. The energy is collected in a bank of $$400$$ $$V$$ battery and is connected to converter through a large filter choke of resistance $$10\Omega $$. GATE EE 2011 Power Electronics - Single and Three Phase Rectifier Question 31 English

GATE EE 2011 Power Electronics - Single and Three Phase Rectifier Question 31 English

The maximum current through the battery will be

$$14$$ $$A$$

$$40$$ $$A$$

$$80$$ $$A$$

$$94$$ $$A$$

GATE EE 2011

MCQ (Single Correct Answer)

-0.3

Circuit turn-off time of an $$SCR$$ is defined as the time

taken by the $$SCR$$ turn of

required for the $$SCR$$ current to become zero

for which the $$SCR$$ is reverse biased by the commutation circuit

for which the $$SCR$$ is reverse biased to reduce its current below the holding current

GATE EE 2011

MCQ (Single Correct Answer)

-0.3

A three-phase current source inverter used for the speed control of an induction motor is to be realized using MOSFET switches as shown below. Switches $${S_1}$$ to $${S_6}$$ are identical switches. GATE EE 2011 Power Electronics - Inverters Question 30 English

GATE EE 2011 Power Electronics - Inverters Question 30 English

The proper configuration for realizing switches $${S_1}$$ to $${S_6}$$ is

GATE EE 2011 Power Electronics - Inverters Question 30 English Option 1

GATE EE 2011 Power Electronics - Inverters Question 30 English Option 2

GATE EE 2011

MCQ (Single Correct Answer)

-0.6

A voltage commutated chopper circuit, operated at $$500Hz,$$ is shown below. If the maximum value of load current is $$10A,$$ then the maximum current through the main $$(M)$$ and auxiliary $$(A)$$ thyristors will be GATE EE 2011 Power Electronics - Choppers and Commutation Techniques Question 32 English

GATE EE 2011 Power Electronics - Choppers and Commutation Techniques Question 32 English

$${i_{M\max }} = 12\,A$$ and $$\,{i_{A\max }} = 10\,A$$

$${i_{M\max }} = 12\,A$$ and $$\,{i_{A\max }} = 2\,A$$

$${i_{M\max }} = 10\,A$$ and $$\,{i_{A\max }} = 12\,A$$

$${i_{M\max }} = 10\,A$$ and $$\,{i_{A\max }} = 8\,A$$

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