THREE-PHASE VOLTAGE THYRISTOR CONVERTER
* FILE EE518_18.CIR
* Balanced R-L Load
.PARAM PERIOD={1/60}, DEG60={1/(6*60)}, ALPHA=30
Vg1 14  4  PULSE( 0V 10V        0s 1ns 1ns 6ms {PERIOD})
Vg2 19  3  PULSE( 0V 10V   {DEG60} 1ns 1ns 6ms {PERIOD})
Vg3 16  5  PULSE( 0V 10V {2*DEG60} 1ns 1ns 6ms {PERIOD})
Vg4 15  1  PULSE( 0V 10V {3*DEG60} 1ns 1ns 6ms {PERIOD})
Vg5 18  6  PULSE( 0V 10V {4*DEG60} 1ns 1ns 6ms {PERIOD})
Vg6 17  2  PULSE( 0V 10V { -DEG60} 1ns 1ns 6ms {PERIOD})
VAN  1  0 SIN( 0 {277*SQRT(2)} 60HZ 0 0 {ALPHA+30} )
VBN  2  0 SIN( 0 {277*SQRT(2)} 60HZ 0 0 {ALPHA-90} )
VCN  3  0 SIN( 0 {277*SQRT(2)} 60HZ 0 0 {ALPHA-210} )
XT1  1  4 14  4 SCR
XT2  6  3 19  3 SCR
XT3  2  5 16  5 SCR
XT4  4  1 15  1 SCR
XT5  3  6 18  6 SCR
XT6  5  2 17  2 SCR
Rs1  1 11 100ohm
Cs1 11  4 1uF 
Rs2  2 12 100ohm
Cs2 12  5 1uF
Rs3  3 13 100ohm
Cs3 13  6 1uF 
RL1  4  7 2ohm
LL1  7 10 0.6mH 
RL2  5  8 2ohm
LL2  8 10 0.6mH
RL3  6  9 2ohm
LL3  9 10 0.6mH
.SUBCKT      SCR    1      2        3        2
*            Model  Anode  Cathode  +Control -Control
*            Name                    Voltage  Voltage
S1 1 5 6 2 SMOD
RG 3 4 50ohm
VX 4 2 DC 0V
VY 5 7 DC 0V
DT 7 2 DMOD
RT 6 2 1ohm
CT 6 2 10uF
F1 2 6 POLY(2) VX VY 0 50 11
.MODEL SMOD VSWITCH (RON=0.0125 ROFF=15E+6 VON=1.5V VOFF=0V)
.MODEL DMOD D()
.ENDS SCR
.TRAN 5us 16.6666666ms UIC 
.FOUR 60HZ I(RL1) V(4,5) 
.PROBE
.END