5/31/09

Transformer Modeling

spice Transformer ( Online )

Transformer Modeling

Transformer Transformer

*Transformer Modeling
V1 1 0 0 sin( 0 141 50 )
R1 2 1 10
L1 2 0 5
L2 3 0 1
K1 L1 L2 0.9
R2 4 3 10
R3 4 0 100
.TRAN .5m 0.05 0
.PLOT TRAN v(4) v(1)
.PRINT TRAN v(4) v(1)
.END
.

Coupled (Mutual) Inductors

  • general form:
  • KXXXXXXX LYYYYYYY LZZZZZZZ VALUE
  • LYYYYYYY and LZZZZZZZ are the names of the two coupled inductors,
  • and VALUE is the coefficient of coupling, K, which must be greater than 0 and less than or equal to 1.
  • Using the 'dot' convention, place a 'dot' on the first node of each inductor.

spice Transformer ( TXT )

spice Transformer ( Online )