This information is part of the Modelica Standard Library maintained by the Modelica Association.

The admittance model represents a parallel connection of a conductor and either a capacitor or inductor.

The linear admittance connects the voltage v with the current i by i = Y*v. The resistive component is modeled temperature dependent, so the real part G_actual = real(Y) is determined from the actual operating temperature and the reference input conductance real(Y_ref). A conditional heat port is considered. The reactive component B_actual = imag(Y) is equal to imag(Y_ref) if frequencyDependent = false. Frequency dependency is considered by frequencyDependent = true, distinguishing two cases:

(a) imag(Y_ref) > 0: capacitive case

The actual susceptance B_actual is proportional to f/f_ref

(b) imag(Y_ref) < 0: inductive case

The actual susceptance B_actual is proportional to f_ref/f

See also

Resistor, Conductor, Capacitor, Impedance, Variable resistor, Variable conductor, Variable capacitor, Variable inductor, Variable impedance, Variable admittance

useHeatPort	Value: false Type: Boolean Description: = true, if heatPort is enabled
T	Value: T_ref Type: Temperature (K) Description: Fixed device temperature if useHeatPort = false
Y_ref	Value: Type: ComplexAdmittance Description: Complex admittance G_ref + j*B_ref
T_ref	Value: 293.15 Type: Temperature (K) Description: Reference temperature
alpha_ref	Value: 0 Type: LinearTemperatureCoefficient (¹/K) Description: Temperature coefficient of resistance (R_actual = R_ref*(1 + alpha_ref*(heatPort.T - T_ref))
frequencyDependent	Value: false Type: Boolean Description: Consider frequency dependency, if true
f_ref	Value: 1 Type: Frequency (Hz) Description: Reference frequency, if frequency dependency is considered
G_ref	Value: real(Y_ref) Type: Conductance (S) Description: Resistive component of conductance
B_ref	Value: imag(Y_ref) Type: Susceptance (S) Description: Reactive component of susceptance