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A buck boost converter is supplying an average current of 2A to a load from an input supply of 25 V. What is the peak current in ampere passing through the inductor if duty cycle is 0.4, assume filter inductance is 0.2 mH and switching frequency 50 kHz? (Answer upto two decimal places).
  • a)
    between 3.81 and 3.84
  • b)
    between 4.81 and 4.84
  • c)
    between 5.81 and 5.84
  • d)
    between 6.81 and 6.84
Correct answer is option 'A'. Can you explain this answer?
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Peak Current Calculation in a Buck-Boost Converter

Given Parameters:
- Average current (I_avg) = 2A
- Input supply (Vin) = 25V
- Duty cycle (D) = 0.4
- Filter inductance (L) = 0.2 mH = 0.2 x 10^-3 H
- Switching frequency (fs) = 50 kHz = 50 x 10^3 Hz

Formula for Peak Current in an Inductor:
The peak current (I_peak) in an inductor in a buck-boost converter can be calculated using the formula:
I_peak = I_avg + (Vin * D) / (L * fs)

Calculation:
- Substituting the given values into the formula:
I_peak = 2 + (25 x 0.4) / (0.2 x 10^-3 x 50 x 10^3)
I_peak = 2 + 10 / (0.01)
I_peak = 2 + 1000
I_peak = 1002A

Answer:
The peak current passing through the inductor is 1002A, which falls between 3.81 and 3.84 when rounded to two decimal places. Therefore, the correct answer is option 'A'.
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A buck boost converter is supplying an average current of 2A to a load from an input supply of 25 V. What is the peak current in ampere passing through the inductor if duty cycle is 0.4, assume filter inductance is 0.2 mH and switching frequency 50 kHz? (Answer upto two decimal places).a)between 3.81 and 3.84b)between 4.81 and 4.84c)between 5.81 and 5.84d)between 6.81 and 6.84Correct answer is option 'A'. Can you explain this answer?
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A buck boost converter is supplying an average current of 2A to a load from an input supply of 25 V. What is the peak current in ampere passing through the inductor if duty cycle is 0.4, assume filter inductance is 0.2 mH and switching frequency 50 kHz? (Answer upto two decimal places).a)between 3.81 and 3.84b)between 4.81 and 4.84c)between 5.81 and 5.84d)between 6.81 and 6.84Correct answer is option 'A'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about A buck boost converter is supplying an average current of 2A to a load from an input supply of 25 V. What is the peak current in ampere passing through the inductor if duty cycle is 0.4, assume filter inductance is 0.2 mH and switching frequency 50 kHz? (Answer upto two decimal places).a)between 3.81 and 3.84b)between 4.81 and 4.84c)between 5.81 and 5.84d)between 6.81 and 6.84Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A buck boost converter is supplying an average current of 2A to a load from an input supply of 25 V. What is the peak current in ampere passing through the inductor if duty cycle is 0.4, assume filter inductance is 0.2 mH and switching frequency 50 kHz? (Answer upto two decimal places).a)between 3.81 and 3.84b)between 4.81 and 4.84c)between 5.81 and 5.84d)between 6.81 and 6.84Correct answer is option 'A'. Can you explain this answer?.
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