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R g = Internal resistance of the driving source
R P = DC Resistance of the primary winding
R S = DC Resistance of the secondary winding
R L = Load Resistance on the secondary winding
R C = Core losses expressed as a shunt resistance in parallel with the primary windings
C P = Primary shunt and distributed capacitance
C S = Secondary shunt and distributed capacitance
C PS = Primary-to-Secondary inter winding capacitance.
L P = Primary inductance that is mutually coupled to the Secondary
L S = Secondary inductance that is mutually coupled to the primary
L P1 =Primary leakage inductance.
L S1 = Secondary leakage inductance
N P = Number of turns on the primary(主线圈圈数)
N S = Number of turns on the secondary(次级线圈圈数)
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