engineering recuitment CSPTCL JE Electrical Mock Test 2023 Power Electronics and Drives Thyristors Thyristor Commutation Circuits
Which the following statement regarding commutation process of SCR is incorrect?
1
Commutation is defined as the process of turning off a thyristor
2
Thyristor commutation is a necessary mechanism for obtaining the controlled output in many of the thyristor circuits
3
In a commutation circuit employed to turn off an SCR, satisfactory turn off is obtained when circuit turn off time is less than the device turn off time
4
None of the above