Turn-off Methods (Commutation) of SCR - Electrical Article
SCR Turn OFF Methods | Natural, Forced, Dynamic Characteristics
What are the most effective methods to force a thyristor to switch off when conducting as fast as possible, particularly for high power thyristors? - Quora
Thyristor Commutation Techniques
Class B Commutation of Thyristor - Circuit, Working and Waveform - Electronics Coach
Class D Commutation of Thyristor - Circuit, Working, and Waveform - Electronics Coach
Thyristor Commutation Methods and Their Working
Waveforms/Graphs for Class D Thyristor/SCR commutation - YouTube