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Theory

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Procedure

Simulation

Posttest

References

Contributors

Feedback

Performance measurement and analysis of DC-DC boost regulator

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Intermediate

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Answer the questions given below (refer Fig.1):

Fig. 1. Circuit configuration of boost converter.

1. What is the use of Boost converter?

a: To convert the AC input voltage to DC output voltage. Explanation

Explanation

b: To convert the DC input voltage to AC output voltage. Explanation

Explanation

c: To step-down the DC input voltage. Explanation

Explanation

d: To step-up the DC input voltage. Explanation

Explanation

2. Voltage conversion ratio of boost converter is given by:

a: D Explanation

Explanation

b: (1-D) Explanation

Explanation

c: 1/(1-D) Explanation

Explanation

d: D/(1-D) Explanation

Explanation

3. Which of the following element cannot be used as switch (Sw) in boost converter?

a: MOSFET Explanation

Explanation

b: IGBT Explanation

Explanation

c: BJT Explanation

Explanation

d: Diode Explanation

Explanation

4. What is the relationship between load current (I₀) and average source current (I_in) of a boost converter if voltage gain is “M” ?

a: I_in = (M-1) I₀ Explanation

Explanation

b: I₀ = M I_in Explanation

Explanation

c: I₀ = I_in Explanation

Explanation

d: I_in = M I₀ Explanation

Explanation

5. What will be the effect of reversing the diode terminals in Boost converter?

a: Converter will step down the input voltage Explanation

Explanation

b: Converter will not work at all Explanation

Explanation

c: It will work as a boost converter with inverted load voltage polarity. Explanation

Explanation

d: Converter will step up the input voltage Explanation

Explanation

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