1
GATE EE 2022
Numerical
+1
-0.33

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 1 English

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2
GATE EE 2016 Set 1
Numerical
+1
-0
A buck converter, as shown in Figure $$(a)$$ below, is working in steady state. The output voltage and the inductor current can be assumed to be ripple free. Figure $$(b)$$ shows the inductor voltage $${V_L}$$ during a complete switching interval. Assuming all devices are ideal, the duty cycle of the buck converter is ________. GATE EE 2016 Set 1 Power Electronics - Choppers and Commutation Techniques Question 32 English 1 GATE EE 2016 Set 1 Power Electronics - Choppers and Commutation Techniques Question 32 English 2
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3
GATE EE 2015 Set 1
Numerical
+1
-0
In the following chopper, the duty ratio of switch $$S$$ is $$0.4.$$ If the inductor and capacitor are sufficiently large to ensure continuous inductor current and ripple free capacitor voltage, the charging current (in Ampere) of the $$5$$ $$V$$ battery, under steady-state, is_____ GATE EE 2015 Set 1 Power Electronics - Choppers and Commutation Techniques Question 33 English
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4
GATE EE 2014 Set 2
Numerical
+1
-0
A step-up chopper is used to feed a load at $$400$$ $$V$$ $$dc$$ from a $$250$$ $$V$$ $$dc$$ source. The inductor current is continuous. If the ‘off’ time of the switch is $$20\,\,\mu s,$$ the switching frequency of the chopper in $$kHz$$ is ________.
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