A. 0.75
B. 0.7
C. 0.2
D. 0.25
Thyristor
Typical range of thyristor turn OFF time is______________?
A. 3 – 10 µs
B. 3 – 50 µs
C. 3 – 100 µs
D. 3 – 500 µs
Dynamic equalizing circuit is used for________________?
A. Equal division of voltage across each thyristor
B. Equal division of current through each thyristor in parallel
C. Equal division of voltage across each thyristor in parallel
D. Equal division of current through each thyristor in series
CB used for over current protection of thyristor operates when the fault current is__________?
A. Of Long Period
B. Of short duration
C. Both (A) and (B)
D. Neither (A) nor (B)