railway RRB JE (CBT I + CBT II) Mock Test 2024 Power Electronics and Drives Phase Controlled Rectifiers Effect of Source Impedance on Converters
Firing angle of the use for __________
1
To burn device any time of SCR
2
To control on-off timing of SCR
3
To control off timing of general transistor
4
To control on timing of the diode without controller