Alternative model of LLC transformer

simulation/WE-LLCR-transformer/WE-LLCR-transformer.asc

@@ -1,5 +1,5 @@
 Version 4
-SHEET 1 1592 692
+SHEET 1 2400 1092
 WIRE 80 -224 48 -224
 WIRE 176 -224 160 -224
 WIRE 176 -208 176 -224
@@ -26,62 +26,103 @@ WIRE 1536 112 1504 112
 WIRE 16 128 16 112
 WIRE 704 128 704 112
 WIRE 1328 128 1328 112
-WIRE 752 144 720 144
 WIRE 976 144 880 144
 WIRE 1344 144 1344 16
 WIRE 1376 144 1344 144
 WIRE -464 176 -464 144
-WIRE 720 240 720 144
-WIRE 752 240 720 240
 WIRE 976 240 976 144
 WIRE 976 240 880 240
 WIRE 1360 240 1360 112
 WIRE 1376 240 1360 240
 WIRE -32 352 -80 352
 WIRE 96 352 48 352
-WIRE 208 352 96 352
-WIRE 320 352 208 352
-WIRE 448 352 320 352
-WIRE 640 352 448 352
+WIRE 240 352 96 352
+WIRE 400 352 240 352
+WIRE 528 352 400 352
+WIRE 720 352 528 352
 WIRE 96 368 96 352
-WIRE 208 368 208 352
-WIRE 448 416 448 352
-WIRE 320 432 320 352
-WIRE 96 464 96 448
-WIRE 160 464 96 464
-WIRE 208 464 208 448
-WIRE 208 464 160 464
-WIRE 96 480 96 464
-WIRE 96 560 48 560
-WIRE 320 560 320 496
-WIRE 320 560 96 560
-WIRE 448 560 448 496
-WIRE 448 560 320 560
-WIRE 48 576 48 560
-WIRE 448 576 448 560
-WIRE 640 576 640 352
-WIRE 448 672 448 656
-WIRE 640 672 640 656
+WIRE 240 368 240 352
+WIRE 528 416 528 352
+WIRE 400 432 400 352
+WIRE 96 480 96 448
+WIRE 160 480 96 480
+WIRE 240 480 240 448
+WIRE 240 480 160 480
+WIRE 96 512 96 480
+WIRE 1152 592 1104 592
+WIRE 1280 592 1232 592
+WIRE 1584 592 1504 592
+WIRE 96 608 96 592
+WIRE 96 608 48 608
+WIRE 400 608 400 496
+WIRE 400 608 96 608
+WIRE 528 608 528 496
+WIRE 528 608 400 608
+WIRE 1280 608 1280 592
+WIRE 1504 608 1504 592
+WIRE 1584 608 1584 592
+WIRE 528 624 528 608
+WIRE 720 624 720 352
+WIRE 48 656 48 608
+WIRE 1280 704 1280 688
+WIRE 1280 704 1216 704
+WIRE 1504 704 1504 688
+WIRE 1584 704 1584 688
+WIRE 1584 704 1504 704
+WIRE 96 720 48 720
+WIRE 288 720 96 720
+WIRE 528 720 528 704
+WIRE 720 720 720 704
+WIRE 1216 720 1216 704
+WIRE 1504 720 1504 704
+WIRE 96 736 96 720
+WIRE 96 832 96 816
+WIRE 96 832 48 832
+WIRE 96 848 96 832
+WIRE 288 848 288 720
+WIRE 1152 864 1104 864
+WIRE 1280 864 1232 864
+WIRE 1584 864 1504 864
+WIRE 1280 880 1280 864
+WIRE 1504 880 1504 864
+WIRE 1584 880 1584 864
+WIRE 96 944 96 928
+WIRE 288 944 288 928
+WIRE 1280 976 1280 960
+WIRE 1280 976 1216 976
+WIRE 1504 976 1504 960
+WIRE 1584 976 1584 960
+WIRE 1584 976 1504 976
+WIRE 1216 992 1216 976
+WIRE 1504 992 1504 976
 FLAG -464 176 0
-FLAG 160 464 4a
-FLAG 640 672 0
-FLAG 448 672 0
+FLAG 160 480 4a
+FLAG 720 720 0
+FLAG 528 720 0
 FLAG 128 -112 0
 FLAG -352 48 V_test
 FLAG 48 -224 V_test
-FLAG 48 576 0
+FLAG 48 656 0
 FLAG -80 352 V_test
 FLAG -64 16 V_test
 FLAG 16 128 0
 FLAG 624 16 V_test
 FLAG 704 128 0
 FLAG 1248 16 V_test
 FLAG 1328 128 0
+FLAG 288 944 0
+FLAG 96 944 0
+FLAG 1504 800 0
+FLAG 1216 720 0
+FLAG 1104 592 V_test
+FLAG 1504 1072 0
+FLAG 1216 992 0
+FLAG 1104 864 V_test
 SYMBOL voltage -464 48 R0
 WINDOW 123 0 0 Left 0
 WINDOW 39 0 0 Left 0
 SYMATTR InstName V1
-SYMATTR Value PULSE(0 1 1u 1n 1n 1u 5u)
+SYMATTR Value PULSE(0 1 1u 1n 1n 1u 10u)
 SYMBOL ind2 160 -224 R0
 SYMATTR InstName L1
 SYMATTR Value 500�
@@ -91,27 +132,27 @@ WINDOW 0 32 56 VTop 2
 WINDOW 3 0 56 VBottom 2
 SYMATTR InstName R1
 SYMATTR Value 1n
-SYMBOL res 192 352 R0
+SYMBOL res 224 352 R0
 SYMATTR InstName Rlkg
 SYMATTR Value 26605.14
 SYMBOL ind 80 352 R0
 SYMATTR InstName L_Lkg
 SYMATTR Value 95�
 SYMATTR SpiceLine Rser=0.01m
-SYMBOL ind 80 464 R0
+SYMBOL ind 80 496 R0
 SYMATTR InstName L_pri1
 SYMATTR Value 405�
 SYMATTR SpiceLine Rser=123m
-SYMBOL cap 304 432 R0
+SYMBOL cap 384 432 R0
 SYMATTR InstName Cpri1
 SYMATTR Value 49.87p
-SYMBOL res 432 400 R0
+SYMBOL res 512 400 R0
 SYMATTR InstName Rdmp1
 SYMATTR Value 158320.56
-SYMBOL res 624 560 R0
+SYMBOL res 704 608 R0
 SYMATTR InstName Rg3
 SYMATTR Value 20Meg
-SYMBOL res 432 560 R0
+SYMBOL res 512 608 R0
 SYMATTR InstName Rg7
 SYMATTR Value 20Meg
 SYMBOL res -48 368 R270
@@ -140,7 +181,62 @@ WINDOW 0 32 56 VTop 2
 WINDOW 3 0 56 VBottom 2
 SYMATTR InstName Sec_Open
 SYMATTR Value 1n
+SYMBOL ind 80 720 R0
+SYMATTR InstName Laux1
+SYMATTR Value 3.673�
+SYMATTR SpiceLine Rser=128m
+SYMBOL res 272 832 R0
+SYMATTR InstName Rg5
+SYMATTR Value 20Meg
+SYMBOL res 80 832 R0
+SYMATTR InstName Rg9
+SYMATTR Value 20Meg
+SYMBOL ind2 1264 592 R0
+SYMATTR InstName Lp1
+SYMATTR Value {Lp}
+SYMATTR Type ind
+SYMBOL ind2 1520 592 M0
+SYMATTR InstName Ls1
+SYMATTR Value {Ls}
+SYMATTR Type ind
+SYMBOL res 1488 704 R0
+SYMATTR InstName Rg6
+SYMATTR Value 20Meg
+SYMBOL res 1136 608 R270
+WINDOW 0 32 56 VTop 2
+WINDOW 3 0 56 VBottom 2
+SYMATTR InstName R2
+SYMATTR Value 1n
+SYMBOL res 1568 592 R0
+SYMATTR InstName R3
+SYMATTR Value {Rx}
+SYMBOL ind2 1264 864 R0
+SYMATTR InstName Ls2
+SYMATTR Value {Ls}
+SYMATTR Type ind
+SYMBOL ind2 1520 864 M0
+SYMATTR InstName Lp2
+SYMATTR Value {Lp}
+SYMATTR Type ind
+SYMBOL res 1488 976 R0
+SYMATTR InstName Rg1
+SYMATTR Value 20Meg
+SYMBOL res 1136 880 R270
+WINDOW 0 32 56 VTop 2
+WINDOW 3 0 56 VBottom 2
+SYMATTR InstName R4
+SYMATTR Value 1n
+SYMBOL res 1568 864 R0
+SYMATTR InstName R6
+SYMATTR Value {Rx}
 TEXT -496 296 Left 2 !.tran 10u
 TEXT 56 336 Left 2 ;4
-TEXT 56 544 Left 2 ;2
+TEXT 56 576 Left 2 ;2
 TEXT -480 -160 Left 2 ;L = V * t_on / I_L
+TEXT 48 704 Left 2 ;5
+TEXT 48 816 Left 2 ;6
+TEXT 1248 360 Left 2 !.param N = 35 / 2\n.param Lp = 500uH\n.param Lr = 95uH\n.param Ls = Lp / (N**2)\n.param Kf = sqrt(1 - (Lr / Lp))
+TEXT 1248 320 Left 2 ;https://www.analog.com/en/technical-articles/using-transformers-in-ltspice-switcher-cadiii.html
+TEXT 1304 584 Left 2 !K1 Lp1 Ls1 {Kf}
+TEXT 1248 512 Left 2 !.step param Rx list 1n 100Meg
+TEXT 1304 856 Left 2 !K2 Lp2 Ls2 {Kf}