VariableAdmittance

Description

The admittance model represents a parallel connection of a resistor and either a capacitor or inductorin each phase.

The linear admittance connects the complex voltage v with thecomplex current i by v*Y = i in each phase,using mvariable singlephase admittances.The admittances Y_ref = G_ref + j*B_ref are given as complex input signals, representing theresistive and reactive components of the input admittances. The resistivecomponents are modeled temperature dependent, so the real part G_actual = real(Y) are determined fromthe actual operating temperatures and the reference input conductances real(Y_ref).Conditional heat ports are considered.The reactive components B_actual = imag(Y)are 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 susceptances B_actual are proportional to f/f_ref

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

The actual susceptances B_actual are proportional to f_ref/f

Note

Zero crossings of the real or imaginary parts of the admittance signals Y_ref could causesingularities due to the actual structure of the connected network.

See also

VariableResistor,Resistor,Conductor,Capacitor,Inductor,Impedance,Admittance,Variable conductor,Variable capacitor,Variable inductorVariable impedance,