engineering recuitment NIC NIELIT Scientist B 2023 Mock Test Power Electronics and Drives Thyristors Thyristor Ratings
For a 50 Hz supply, the sub-cycle surge current rating of a thyristor is given by:
1
Isb = t\(\rm\sqrt{\frac{t}{100}}\)
2
Isb = I\(\rm\sqrt{\frac{100}{t}}\)
3
Isb = I\(\rm\sqrt{\frac{1}{100 t}}\)
4
Isb = t\(\rm\sqrt{100 I}\)