Power Electronics
Choppers and Commutation Techniques
Marks 1Marks 2Marks 5
Single and Three Phase Rectifier
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Power Semiconductor Devices
Marks 1Marks 2
Ac Voltage Controllers
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GATE EE 2025
Numerical
+2
-0
The steady state capacitor current of a conventional DC-DC buck converter, working in CCM, is shown in one switching cycle. If the input voltage is 30 V , the value of the inductor sued, in mH , is _________ (round off to one decimal place). GATE EE 2025 Power Electronics - Choppers and Commutation Techniques Question 2 English
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2
GATE EE 2024
Numerical
+2
-0

In the DC-DC converter shown in the figure, the current through the inductor is continuous. The switching frequency is 500 Hz. The voltage ($V_o$) across the load is assumed to be constant and ripple free. The peak inductor current in amperes is __________ (rounded off to the nearest integer).

GATE EE 2024 Power Electronics - Choppers and Commutation Techniques Question 3 English
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3
GATE EE 2023
Numerical
+2
-0

The circuit shown in the figure has reached steady state with thyristor 'T' in OFF condition. Assume that the latching and holding currents of the thyristor are zero. The thyristor is turned ON at $$t=0$$ sec. The duration in microseconds for which the thyristor would conduct, before it turns off, is _________ (Round off to 2 decimal places).

GATE EE 2023 Power Electronics - Choppers and Commutation Techniques Question 6 English

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4
GATE EE 2022
Numerical
+2
-0

The steady state current flowing through the inductor of a DC-DC buck boost converter is given in the figure below. If the peak-to-peak ripple in the output voltage of the converter is 1 V, then the value of the output capacitor, in $$\mu$$F, is _________. (round off to nearest integer).

GATE EE 2022 Power Electronics - Choppers and Commutation Techniques Question 7 English

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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