Version 4 SHEET 1 1000 948 WIRE 112 32 96 32 WIRE 112 288 96 288 WIRE 112 544 96 544 WIRE 208 -16 208 -64 WIRE 208 240 208 192 WIRE 208 496 208 448 WIRE 224 -64 208 -64 WIRE 224 32 192 32 WIRE 224 192 208 192 WIRE 224 288 192 288 WIRE 224 448 208 448 WIRE 224 544 192 544 WIRE 320 -64 304 -64 WIRE 320 -16 208 -16 WIRE 320 32 304 32 WIRE 320 32 320 -16 WIRE 320 192 304 192 WIRE 320 240 208 240 WIRE 320 288 304 288 WIRE 320 288 320 240 WIRE 320 448 304 448 WIRE 320 496 208 496 WIRE 320 544 304 544 WIRE 320 544 320 496 WIRE 496 -16 496 -64 WIRE 496 240 496 192 WIRE 496 496 496 448 WIRE 512 -64 496 -64 WIRE 512 32 496 32 WIRE 512 192 496 192 WIRE 512 288 496 288 WIRE 512 448 496 448 WIRE 512 544 496 544 WIRE 608 -16 496 -16 WIRE 608 32 592 32 WIRE 608 32 608 -16 WIRE 608 240 496 240 WIRE 608 288 592 288 WIRE 608 288 608 240 WIRE 608 496 496 496 WIRE 608 544 592 544 WIRE 608 544 608 496 WIRE 624 -64 592 -64 WIRE 624 192 592 192 WIRE 624 448 592 448 WIRE 720 -64 704 -64 WIRE 720 192 704 192 WIRE 720 448 704 448 FLAG 720 -64 A3s IOPIN 720 -64 In FLAG 496 32 A1s IOPIN 496 32 In FLAG 720 192 B1s IOPIN 720 192 In FLAG 720 448 C2s IOPIN 720 448 In FLAG 496 288 B2s IOPIN 496 288 In FLAG 496 544 C3s IOPIN 496 544 In FLAG 320 -64 A3p IOPIN 320 -64 In FLAG 320 192 B1p IOPIN 320 192 In FLAG 320 448 C2p IOPIN 320 448 In FLAG 96 32 A1p IOPIN 96 32 In FLAG 96 288 B2p IOPIN 96 288 In FLAG 96 544 C3p IOPIN 96 544 In SYMBOL ind2 208 -48 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 4 56 VBottom 0 SYMATTR InstName LA3p SYMATTR Value {Mp/2} SYMATTR Type ind SYMBOL ind2 320 16 R90 WINDOW 0 4 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName LA1p SYMATTR Value {Mp/2} SYMATTR Type ind SYMBOL ind2 208 208 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 4 56 VBottom 0 SYMATTR InstName LB1p SYMATTR Value {Mp/2} SYMATTR Type ind SYMBOL ind2 320 272 R90 WINDOW 0 4 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName LB2p SYMATTR Value {Mp/2} SYMATTR Type ind SYMBOL ind2 208 464 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 4 56 VBottom 0 SYMATTR InstName LC2p SYMATTR Value {Mp/2} SYMATTR Type ind SYMBOL ind2 320 528 R90 WINDOW 0 4 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName LC3p SYMATTR Value {Mp/2} SYMATTR Type ind SYMBOL ind2 496 -48 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 4 56 VBottom 0 SYMATTR InstName LA3s SYMATTR Value {Ms/2} SYMATTR Type ind SYMBOL ind2 608 16 R90 WINDOW 0 4 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName LA1s SYMATTR Value {Ms/2} SYMATTR Type ind SYMBOL ind2 496 208 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 4 56 VBottom 0 SYMATTR InstName LB1s SYMATTR Value {Ms/2} SYMATTR Type ind SYMBOL ind2 608 272 R90 WINDOW 0 4 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName LB2s SYMATTR Value {Ms/2} SYMATTR Type ind SYMBOL ind2 496 464 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 4 56 VBottom 0 SYMATTR InstName LC2s SYMATTR Value {Ms/2} SYMATTR Type ind SYMBOL ind2 608 528 R90 WINDOW 0 4 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName LC3s SYMATTR Value {Ms/2} SYMATTR Type ind SYMBOL ind 96 48 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName LAlp SYMATTR Value {Llp} SYMATTR SpiceLine Rser={Rsp} SYMBOL ind 720 -80 R90 WINDOW 0 5 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName LAls SYMATTR Value {Lls} SYMATTR SpiceLine Rser={Rss} SYMBOL ind 96 304 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName LBlp SYMATTR Value {Llp} SYMATTR SpiceLine Rser={Rsp} SYMBOL ind 720 176 R90 WINDOW 0 5 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName LBls SYMATTR Value {Lls} SYMATTR SpiceLine Rser={Rss} SYMBOL ind 96 560 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName LClp SYMATTR Value {Llp} SYMATTR SpiceLine Rser={Rsp} SYMBOL ind 720 432 R90 WINDOW 0 5 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName LCls SYMATTR Value {Lls} SYMATTR SpiceLine Rser={Rss} TEXT 408 112 Center 0 !K1 LA1p LA1s LB1p LB1s 1 TEXT 408 368 Center 0 !K2 LB2p LB2s LC2p LC2s 1 TEXT 408 624 Center 0 !K3 LC3p LC3s LA3p LA3s 1 TEXT 408 -144 Center 0 ;K3 LC3p LC3s LA3p LA3s 1 TEXT -32 -40 Left 0 ;Pri Winding\nPhase A TEXT -32 216 Left 0 ;Pri Winding\nPhase B TEXT -32 472 Left 0 ;Pri Winding\nPhase C TEXT 200 112 Right 0 ;Flux Path 1 TEXT 848 -16 Right 0 ;Phase A\nSec Winding TEXT 200 368 Right 0 ;Flux Path 2 TEXT 200 624 Right 0 ;Flux Path 3 TEXT 200 -144 Right 0 ;Flux Path 3 TEXT 848 240 Right 0 ;Phase B\nSec Winding TEXT 848 496 Right 0 ;Phase C\nSec Winding TEXT -32 728 Left 0 ;NOTES:\n_Mp (Ms) is the mutual inductance referred to the primary (secondary).\nLlp (Lls) is the leakage inductance referred to the primary (secondary).\nRsp (Rss) is the primary (secondary) series winding resistance.\nParallel resistance and capacitance should be added but are not shown.\nK1, K2 and K3 are the spice coupling coefficients for the windings on\n the corresponding flux paths. TEXT 408 -272 Center 0 ;MODEL OF 3-PHASE TRANSFORMER\n(with shared flux paths) TEXT -32 680 Left 0 !.param Mp=1m Ms=1m Llp=50u Lls=50u Rsp=50m Rss=50m ; (typical values) LINE Normal 400 588 416 592 LINE Normal 400 596 400 588 LINE Normal 416 592 400 596 LINE Normal 416 592 416 592 LINE Normal 400 76 416 80 LINE Normal 400 84 400 76 LINE Normal 416 80 400 84 LINE Normal 416 80 416 80 LINE Normal 416 -116 400 -112 LINE Normal 416 -108 416 -116 LINE Normal 400 -112 416 -108 LINE Normal 400 -112 400 -112 LINE Normal 416 140 400 144 LINE Normal 416 148 416 140 LINE Normal 400 144 416 148 LINE Normal 400 144 400 144 LINE Normal 416 396 400 400 LINE Normal 416 404 416 396 LINE Normal 400 400 416 404 LINE Normal 400 400 400 400 LINE Normal 400 332 416 336 LINE Normal 400 340 400 332 LINE Normal 416 336 400 340 LINE Normal 416 336 416 336 RECTANGLE Normal 944 944 -128 -336 RECTANGLE Normal 640 -224 176 -288 CIRCLE Normal 208 144 608 80 CIRCLE Normal 208 400 608 336 ARC Normal 608 -112 208 -176 208 -144 608 -144 ARC Normal 608 656 208 592 608 624 208 624