current falls back to at iC IL t2 2 3 t2 t2 1 1 3 LC 0.105 rad/sec. 6 At t t2 200cos0.105 VC VC V Therefore 26.75 tC t1 tC Problem 5.5: For the circuit shown in figure 5.19. Calculate the value of L for proper commutation of SCR. Also find the conduction time of SCR. Solution: Fig. 5.19 30 V The load current Amp IL 30 RL
iC current falls back to IL at t2 2 t2 3 At t t2 t2 1 1 LC 3 0.105 6 rad/sec. VC 200cos0.105 VC V Therefore tC t1 26.75 tC Problem 5.5: For the circuit shown in figure 5.19. Calculate the value of L for proper commutation of SCR. Also find the conduction time of SCR. Fig. 5.19 Solution: V 30 The load current IL Amp RL 30
U4_L23-Resonant-Pulse-Commutation.docx