Version 4 SHEET 1 1492 1276 WIRE 752 -32 752 -64 WIRE 752 80 752 48 WIRE 448 176 208 176 WIRE 496 176 448 176 WIRE 592 176 528 176 WIRE 672 176 592 176 WIRE 800 176 752 176 WIRE 208 192 208 176 WIRE 496 192 496 176 WIRE 528 192 528 176 WIRE 800 208 800 176 WIRE 528 288 528 272 WIRE 592 288 528 288 WIRE 704 288 592 288 WIRE 800 288 800 272 WIRE 800 288 704 288 WIRE 704 304 704 288 WIRE 208 320 208 272 WIRE 224 320 208 320 WIRE 336 320 304 320 WIRE 448 320 416 320 WIRE 496 320 496 272 WIRE 496 320 448 320 WIRE 208 336 208 320 WIRE 512 336 512 272 WIRE 208 432 208 416 WIRE 512 432 512 416 WIRE 656 432 656 416 WIRE 208 528 208 512 WIRE 656 528 656 512 FLAG 208 336 0 FLAG 704 304 0 FLAG 800 176 Y FLAG 208 528 0 FLAG 208 416 H FLAG 656 528 0 FLAG 656 416 B FLAG 752 80 0 FLAG 752 -64 C FLAG 448 320 B1 FLAG 448 176 A1 FLAG 592 176 A2 FLAG 592 288 B2 FLAG 512 432 0 SYMBOL indc 496 320 R0 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 208 176 M0 WINDOW 123 0 0 Left 2 WINDOW 39 24 112 Left 2 SYMATTR SpiceLine Rser=1 SYMATTR InstName V1 SYMATTR Value SINE(0 {v1} 50 0 0 90) SYMBOL res 768 160 R90 WINDOW 0 5 56 VBottom 2 WINDOW 3 27 56 VTop 2 SYMATTR InstName Ri SYMATTR Value {ri} SYMBOL cap 784 208 R0 SYMATTR InstName Ci SYMATTR Value {ci} SYMBOL voltage 320 320 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName Vx SYMATTR Value 0 SYMBOL h 208 416 R0 SYMATTR InstName Hx SYMATTR Value Vx {fx} SYMBOL bv 752 -48 R0 SYMATTR InstName B3 SYMATTR Value V=exp(-time/({ri}*{ci})) SYMBOL bv 656 416 R0 SYMATTR InstName By SYMATTR Value V=V(y)*{fy} SYMBOL trw 480 176 R0 SYMATTR InstName Tr1 SYMATTR Value N={N1/Nm} SYMATTR Value2 Rser={Rsn1} Lser={Lsn1} SYMBOL trw 544 176 M0 SYMATTR InstName Tr2 SYMATTR Value N={N2/Nm} SYMATTR Value2 Rser={Rsn2} Lser={Lsn2} SYMBOL res 432 304 R90 WINDOW 0 5 56 VBottom 2 WINDOW 3 27 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 1.5 TEXT 80 -24 Left 2 !.tran 0 {t_tot} {t_plt} 10u uic TEXT 80 56 Left 2 !.params Hcm=56, Bsm=1.78 Brm=.63 ; magnetic properties core Lm M530 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=500m t_plt={t_tot - 20m} ; t_plt=0 TEXT 280 448 Left 2 ;Calculates H=f(I)\n1V = 1 kA/m\n(Ampere-turns/mm resp.) TEXT 80 128 Left 2 !.params N1=260 Rsn1=120 Lsn1=1n ;turns and parasitic properties for L1 TEXT 280 496 Left 2 !.params fx={N1/Lmm*1e-3} TEXT 712 352 Left 2 !.params ri=150k ci=2.2µ TEXT 712 336 Left 2 ;Integrator TEXT 80 144 Left 2 !.params N2=130 Rsn2=60 Lsn2=1n ;turns and parasitic properties for L2 TEXT 720 472 Left 2 !.params fy={ri*ci/(N2*Am)} TEXT 720 440 Left 2 ;Calculates B=f(U2)\n1V = 1T TEXT 80 96 Left 2 !.params Am=165e-6 Lmm=247e-3 Lgm=0 ; mechanical properties core Lm TEXT 80 -40 Left 2 ;.step param t_tot list 20m 40m 500m 1 TEXT 816 -24 Left 2 ;Integration constant vs time TEXT 80 -8 Left 2 !;dc V1 0 15 TEXT 80 112 Left 2 !.params Nm=260 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 ;Simulate hysteresis measurement\nhttp://gpr.physik.hu-berlin.de/Skripten/Elektrodynamik%20und%20Optik/PDF-Dateien/E11.pdf\nhttp://ltwiki.org/index.php5?title=Transformers TEXT 720 -112 Left 2 ;.params Am=8e-4 Lmm=20e-2 Lgm=0 ; mechanical properties core Lm TEXT 80 72 Left 2 ;.params Hcm=56, Bsm=1.0 Brm=.5 ; magnetic properties core Lm TEXT 72 344 Left 2 !.param v1=20 TEXT 72 360 Left 2 !.step param v1 list 10 20 30 40