GATE EE 2024 Set 1 — Question 63
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Power Electronics → Inverters → 180° & 120° Conduction
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Question
A single-phase full bridge voltage source inverter (VSI) feeds a purely inductive load. The inverter output voltage is a square wave in conduction mode. The fundamental frequency of the output voltage is . If the DC input voltage of the inverter is and the value of the load inductance is , the peak-to-peak load current in amperes is _________ (rounded off to the nearest integer).
Correct answer
50 to 50
Solution
For a purely inductive load fed by a square wave voltage with amplitude :During the positive half cycle (), . The change in current is:Since :Given , , and :The peak-to-peak load current is 50 A.
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