CompareTransformersTransformer circuit to show the magnetization facilities 
This information is part of the Modelica Standard Library maintained by the Modelica Association.
This example is to demonstrate the behaviour of transformer models. The Basic.Transformer, which consists of mutual coupled inductors, is compared with the ideal transformer model. If the ideal model is used with considerMagnetization=true leakage inductances are taken into account, otherwise not. The example is constructed in such a way that the ideal transformer circuit with considerMagnetization=true shows the same behaviour as the basic transformer.
Simulate until T=50 s with both considerMagnetization=false and considerMagnetization=true of the ideal transformer.
Plot in separate windows for comparison:
basicTransformer.p1.v and idealTransformer.p1.v
basicTransformer.p1.i and idealTransformer.p1.i
basicTransformer.p2.v and idealTransformer.p2.v
basicTransformer.p2.i and idealTransformer.p2.i
Vdc 
Value: 0.1 Type: Voltage (V) Description: DC offset of voltage source 

Vpeak 
Value: 0.1 Type: Voltage (V) Description: Peak voltage of voltage source 
f 
Value: 10 Type: Frequency (Hz) Description: Frequency of voltage source 
phi0 
Value: pi / 2 Type: Angle (rad) Description: Phase of voltage source 
n 
Value: 2 Type: Real Description: Turns ratio primary:secondary voltage 
R1 
Value: 0.01 Type: Resistance (Ω) Description: Primary resistance w.r.t. primary side 
L1sigma 
Value: 0.05 / (2 * pi * f) Type: Inductance (H) Description: Primary leakage inductance w.r.t. primary side 
Lm1 
Value: 10. / (2 * pi * f) Type: Inductance (H) Description: Magnetizing inductance w.r.t. primary side 
L2sigma 
Value: 0.05 / (2 * pi * f) / n ^ 2 Type: Inductance (H) Description: Secondary leakage inductance w.r.t. secondary side 
R2 
Value: 0.01 / n ^ 2 Type: Resistance (Ω) Description: Secondary resistance w.r.t. secondary side 
RL 
Value: 1 / n ^ 2 Type: Resistance (Ω) Description: Load resistance 
L1 
Value: L1sigma + M * n Type: Inductance (H) Description: Primary noload inductance 
L2 
Value: L2sigma + M / n Type: Inductance (H) Description: Secondary noload inductance 
M 
Value: Lm1 / n Type: Inductance (H) Description: Mutual inductance 
v1B 
Default Value: resistor11.n.v Type: Voltage (V) Description: Primary voltage, basic transformer 

i1B 
Default Value: resistor11.i Type: Current (A) Description: Primary current, basic transformer 
v2B 
Default Value: resistor12.p.v Type: Voltage (V) Description: Secondary voltage, basic transformer 
i2B 
Default Value: resistor12.i Type: Current (A) Description: Secondary current, basic transformer 
v1I 
Default Value: resistor21.n.v Type: Voltage (V) Description: Primary voltage, basic transformer 
i1I 
Default Value: resistor21.i Type: Current (A) Description: Primary current, basic transformer 
v2I 
Default Value: resistor22.p.v Type: Voltage (V) Description: Secondary voltage, basic transformer 
i2I 
Default Value: resistor22.i Type: Current (A) Description: Secondary current, basic transformer 
sineVoltage1 
Type: SineVoltage 


ground11 
Type: Ground 

resistor11 
Type: Resistor 

resistor12 
Type: Resistor 

load1 
Type: Resistor 

ground12 
Type: Ground 

sineVoltage2 
Type: SineVoltage 

ground21 
Type: Ground 

resistor21 
Type: Resistor 

inductor21 
Type: Inductor 

inductor22 
Type: Inductor 

resistor22 
Type: Resistor 

load2 
Type: Resistor 

ground22 
Type: Ground 

basicTransformer 
Type: Transformer 

idealTransformer 
Type: IdealTransformer 