Electronics and Communication Engineering - Power Electronics

31. 

Which of the following devices has two gates?

A. SCR
B. SCS
C. SUS
D. SBS

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

32. 

In auxiliary commutated chopper, the peak value of thyristor current is

A. equal to peak value of load current
B. equal to peak value of capacitor current
C. sum of peak value of load current and capacitor current
D. none of the above

Answer: Option C

Explanation:

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33. 

The symbol in figure is for

A. SUS
B. SBS
C. SCS
D. Shockley diode

Answer: Option B

Explanation:

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34. 

If peak value of input voltage is Vm and firing angle is a, the average output voltage for single phase half wave and single phase full wave regulators are

A.
B.
C.
D.

Answer: Option A

Explanation:

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35. 

The static equalisation circuit for thyristors connected in series is

A. one resistor in series with each thyristor
B. one resistor in parallel with each thyristor
C. one resistor and one capacitor in parallel with each thyristor
D. none of the above

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.