engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Power Electronics and Drives Thyristors Thyristor Commutation Circuits
Natural commutation means
1
reducing the thyristor current to zero
2
reducing the thyristor current below “holding current”
3
reducing the current to zero and allowing time to recover thyristor junctions
4
none of (1), (2) and (3)