GATE EE 2024 Set 1 — Question 62
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Power Electronics → AC-DC Converters → Power & Distortion Factor
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Question
A single-phase half-controlled bridge converter supplies an inductive load with ripple free load current. The triggering angle of the converter is . The ratio of the rms value of the fundamental component of the input current to the rms value of the total input current of the bridge is _________ (rounded off to 3 decimal places).
Correct answer
0.94 to 0.97
Solution
For a single-phase half-controlled bridge converter with a ripple-free load current , the input current is a quasi-square wave. For a triggering angle , the current is for and for . During and , the current is zero due to freewheeling.
1.RMS value of total input current ():
2.RMS value of fundamental component ():
The peak value of the fundamental component is given by:3.Ratio ():
Given :Rounding to 3 decimal places, we get .Continue learning with Success Tracker
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