Version 4
SHEET 1 944 1236
WIRE -48 96 -144 96
WIRE -16 96 -48 96
WIRE 128 96 64 96
WIRE 368 96 272 96
WIRE 512 96 448 96
WIRE -144 128 -144 96
WIRE 128 128 128 96
WIRE 272 128 272 96
WIRE 512 128 512 96
WIRE -144 240 -144 208
WIRE 128 240 128 208
WIRE 128 240 -144 240
WIRE 272 240 272 208
WIRE 272 240 128 240
WIRE 512 240 512 208
WIRE 512 240 272 240
WIRE -144 272 -144 240
WIRE -64 432 -144 432
WIRE -32 432 -64 432
WIRE 80 432 48 432
WIRE 208 432 160 432
WIRE 272 432 208 432
WIRE 384 432 352 432
WIRE 528 432 464 432
WIRE -144 464 -144 432
WIRE 208 464 208 432
WIRE 528 464 528 432
WIRE -144 576 -144 544
WIRE 208 576 208 544
WIRE 208 576 -144 576
WIRE 528 576 528 544
WIRE 528 576 208 576
WIRE -144 608 -144 576
FLAG -144 272 0
FLAG -48 96 1
FLAG -144 608 0
FLAG -64 432 1A
FLAG 512 96 2
FLAG 528 432 2A
SYMBOL ind2 112 112 R0
SYMATTR InstName L1
SYMATTR Value {L1}
SYMATTR Type ind
SYMATTR SpiceLine Rser=0
SYMBOL Misc\\EuropeanResistor -32 112 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 1
SYMBOL Misc\\EuropeanResistor 352 112 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 0.2
SYMBOL ind2 256 112 R0
SYMATTR InstName L2
SYMATTR Value {L2}
SYMATTR Type ind
SYMATTR SpiceLine Rser=0
SYMBOL voltage -144 112 R0
WINDOW 3 36 81 Left 2
WINDOW 123 27 107 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value SINE(0 1 1k)
SYMATTR Value2 AC 10
SYMATTR InstName V1
SYMBOL Misc\\EuropeanResistor -48 448 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1A
SYMATTR Value 1
SYMBOL Misc\\EuropeanResistor 368 448 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R2A
SYMATTR Value 0.2
SYMBOL voltage -144 448 R0
WINDOW 3 36 81 Left 2
WINDOW 123 27 107 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value SINE(0 1 1k)
SYMATTR Value2 AC 10
SYMATTR InstName V4
SYMBOL ind 64 448 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1M
SYMATTR Value {L1M}
SYMATTR SpiceLine Rser=0
SYMBOL ind 256 448 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2M
SYMATTR Value {L2M}
SYMATTR SpiceLine Rser=0
SYMBOL ind 192 448 R0
SYMATTR InstName LM
SYMATTR Value {M}
SYMATTR SpiceLine Rser=0
SYMBOL Misc\\EuropeanResistor 496 112 R0
SYMATTR InstName RL
SYMATTR Value 10
SYMBOL Misc\\EuropeanResistor 512 448 R0
SYMATTR InstName RLA
SYMATTR Value 10
TEXT 120 72 Left 2 !K1 L1 L2 {k}
TEXT -152 -112 Left 2 ;.step param x list 1 2\n.ac list 1k\n.meas ac Ze find V(1)/I(R1) at 1k\n.meas ac Zea find V(1a)/I(R1) at 1k\n.options meascplxfmt=polar
TEXT 288 528 Left 2 ;M=k*sqrt(L1*L2)
TEXT 96 376 Left 2 ;L1-M
TEXT 288 376 Left 2 ;L2-M
TEXT -160 352 Left 2 ;Ersatzschaltung
TEXT 296 -240 Left 2 !.param L1=1m L2=0.04m k=0.8\n.param M=k*sqrt(L1*L2)\n.param L1M=L1-M\n.param L2M=L2-M\n.param u=sqrt(L1/L2) ; ü
TEXT -152 -176 Left 2 !.tran 0 10m 0 1u
TEXT 296 -80 Left 2 !.options measdgt=10\n.meas M_ param M\n.meas L1M_ param L1M\n.meas L2M_ param L2M
TEXT -152 -208 Left 2 !.options tseed=10n
TEXT -160 -472 Left 3 ;Problem with negative inductance values in the TRAN-Analysis\nWhen L2M is negative, then either omit the first results\n.tran 0 10m 5u 1u\nor use the option below to control the first time step.\n.options tseed=10n\n.tran 0 10m 0 1u