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Electronics and Communication Engineering - Power Electronics

Exercise : Power Electronics - Section 8
36.

Assertion (A): A class C chopper can operate in first and second quadrants

Reason (R): A class B chopper operates only in second quadrant.

Both A and R are correct and R is correct explanation of A
Both A and R correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
A single phase dual converter consists of
two fully controlled converters connected in parallel
two fully controlled converters connected in antiparallel
two fully controlled semiconverters connected in antiparallel
two fully controlled semiconverters connected in parallel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
The snubber circuit consists of
a capacitor connected in series with thyristor
a capacitor connected in parallel with thyristor
a resistor and capacitor in series connected across thyristor
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
The effect of source inductance in a 3 phase fully controlled bridge converter is to
decrease the output voltage
increase the output voltage
decrease the output voltage and increase the output current
increase the output voltage and decrease the output current
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
In disc mounting of SCR
SCR is clamped on one side of disc shaped heat sink
SCR is clamped between two disc shaped heat sinks
The SCR has low current rating
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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