Version 4
SHEET 1 1492 1276
WIRE 208 176 144 176
WIRE 288 176 208 176
WIRE 416 176 288 176
WIRE 560 176 448 176
WIRE 672 176 560 176
WIRE 144 192 144 176
WIRE 416 192 416 176
WIRE 448 192 448 176
WIRE 672 192 672 176
WIRE 448 288 448 272
WIRE 672 288 672 272
WIRE 672 288 448 288
WIRE 144 304 144 272
WIRE 672 304 672 288
WIRE 432 336 432 272
WIRE 464 336 432 336
WIRE 560 336 544 336
WIRE 288 400 144 400
WIRE 416 400 416 272
WIRE 416 400 288 400
WIRE 560 400 448 400
WIRE 672 400 560 400
WIRE 144 416 144 400
WIRE 416 416 416 400
WIRE 448 416 448 400
WIRE 672 416 672 400
WIRE 448 512 448 496
WIRE 672 512 672 496
WIRE 672 512 448 512
WIRE 144 528 144 496
WIRE 672 528 672 512
WIRE 288 608 144 608
WIRE 416 608 416 496
WIRE 416 608 288 608
WIRE 560 608 448 608
WIRE 672 608 560 608
WIRE 144 624 144 608
WIRE 416 624 416 608
WIRE 448 624 448 608
WIRE 672 624 672 608
WIRE 208 720 208 176
WIRE 416 720 416 704
WIRE 416 720 208 720
WIRE 448 720 448 704
WIRE 672 720 672 704
WIRE 672 720 448 720
WIRE 144 736 144 704
WIRE 672 736 672 720
FLAG 144 304 0
FLAG 288 176 1U
FLAG 560 336 0
FLAG 144 528 0
FLAG 288 400 1V
FLAG 144 736 0
FLAG 288 608 1W
FLAG 672 304 0
FLAG 560 176 2U
FLAG 672 528 0
FLAG 560 400 2V
FLAG 672 736 0
FLAG 560 608 2W
SYMBOL indc 448 352 R270
WINDOW 3 7 56 VBottom 2
WINDOW 0 30 56 VTop 2
SYMATTR Value ic=0
SYMATTR InstName Lm
SYMATTR SpiceLine A={Am} Lm={Lmm} Lg={Lgm}
SYMATTR Value2 Hc={Hcm} Bs={Bsm} Br={Brm}
SYMATTR SpiceLine2 N={Nm} Rser={Rsm} Cpar=0
SYMBOL voltage 144 176 M0
WINDOW 123 0 0 Left 2
WINDOW 39 24 112 Left 2
SYMATTR SpiceLine Rser=500m
SYMATTR InstName V1
SYMATTR Value SINE(0 10 50 0 0 0)
SYMBOL trw 400 176 R0
SYMATTR InstName Tr1
SYMATTR Value N={N1/Nm}
SYMATTR Value2 Rser={Rsn1} Lser={Lsn1}
SYMBOL voltage 144 400 M0
WINDOW 123 0 0 Left 2
WINDOW 39 24 112 Left 2
SYMATTR SpiceLine Rser=500m
SYMATTR InstName V2
SYMATTR Value SINE(0 10 50 0 0 120)
SYMBOL trw 400 400 R0
SYMATTR InstName Tr2
SYMATTR Value N={N1/Nm}
SYMATTR Value2 Rser={Rsn1} Lser={Lsn1}
SYMBOL voltage 144 608 M0
WINDOW 123 0 0 Left 2
WINDOW 39 24 112 Left 2
SYMATTR SpiceLine Rser=500m
SYMATTR InstName V3
SYMATTR Value SINE(0 10 50 0 0 240)
SYMBOL trw 400 608 R0
SYMATTR InstName Tr3
SYMATTR Value N={N1/Nm}
SYMATTR Value2 Rser={Rsn1} Lser={Lsn1}
SYMBOL trw 464 176 M0
SYMATTR InstName Tr4
SYMATTR Value N={N1/Nm}
SYMATTR Value2 Rser={Rsn1} Lser={Lsn1}
SYMBOL trw 464 400 M0
SYMATTR InstName Tr5
SYMATTR Value N={N1/Nm}
SYMATTR Value2 Rser={Rsn1} Lser={Lsn1}
SYMBOL trw 464 608 M0
SYMATTR InstName Tr6
SYMATTR Value N={N1/Nm}
SYMATTR Value2 Rser={Rsn1} Lser={Lsn1}
SYMBOL res 656 176 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 656 400 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL res 656 608 R0
SYMATTR InstName R3
SYMATTR Value 1k
TEXT 80 -24 Left 2 !.tran 100m
TEXT 80 56 Left 2 !.params Hcm=16. Bsm=1.7 Brm=.6 ; magnetic properties core Lm
TEXT 80 16 Left 2 ;Hc={Hcm} Bs={Bsm} Br={Brm} A={Am} Lm={Lmm} Lg={Lgm} N={Nm} Rser={Rsm}
TEXT 80 -56 Left 2 !;.params t_tot=1.6 t_plt={t_tot - 20m} ; t_plt=0
TEXT 80 104 Left 2 !.params N1=480 Rsn1=1m Lsn1=1n ;turns and parasitic properties for L1
TEXT 80 120 Left 2 !.params N2=480 Rsn2=1m Lsn2=1n ;turns and parasitic properties for L2
TEXT 80 72 Left 2 !.params Am=8e-4 Lmm=20e-2 Lgm=0 ; mechanical properties core Lm
TEXT 80 -40 Left 2 !;.step param t_tot list 20m 200m 1.6
TEXT 80 -8 Left 2 !;dc V1 0 15
TEXT 80 88 Left 2 !.params Nm=480 Rsm=1m ;turns and series resistance Lm
TEXT 80 32 Left 2 ;(all parasitic properties applied to Lm will be reflected (Nx/Nm)**2 times at Lx)
TEXT 80 136 Left 2 !.params N3=48 Rsn3=1.2 Lsn3=1n ;turns and parasitic properties for L3
TEXT 80 -136 Left 2 ;Simulate dyn5 transformer\nBased on\nhttp://ltwiki.org/index.php5?title=Transformers
TEXT 360 -24 Left 2 ;.tran 0 {t_tot} {t_plt} 10u uic