Admittance
Single phase linear admittance
Library
Modelica/Electrical/QuasiStationary/SinglePhase/Basic
Description
The admittance model represents a parallel connection of a conductor and either a capacitor or inductor.
The linear admittance connects the voltage v with thecurrent i by i = Y*v. The resistivecomponent is modeled temperature dependent, so the real part G_actual = real(Y) is determined fromthe 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_actualis proportional tof/f_ref - (b)
imag(Y_ref) < 0: inductive case - The actual susceptance
B_actualis proportional tof_ref/f
See also
Resistor,Conductor,Capacitor,Impedance,Variable resistor,Variable conductor,Variable capacitor,Variable inductor,Variable impedance,Variable admittance
Parameters
| Name | Label | Description | Data Type | Valid Values |
|---|---|---|---|---|
mo_T_heatPort | T_heatPort | T_heatPort | Structure | |
mo_T_heatPort/fixed | fixed | Cell of scalars | true | |
mo_T_heatPort/start | start | Cell of scalars | ||
mo_Y_ref | Y_ref | Complex admittance G_ref + j*B_ref | ||
mo_T_ref | T_ref | Reference temperature | Scalar | |
mo_alpha_ref | alpha_ref | Temperature coefficient of resistance (R_actual = R_ref*(1 + alpha_ref*(heatPort.T - T_ref)) | Scalar | |
mo_useHeatPort | useHeatPort | =true, if heatPort is enabled | Number | 0 |
mo_T | T | Fixed device temperature if useHeatPort = false | Scalar | |
mo_frequencyDependent | frequencyDependent | Consider frequency dependency, if true | Scalar | true |
mo_f_ref | f_ref | Reference frequency, if frequency dependency is considered | Scalar | |
mo_G_ref | G_ref | Resistive component of conductance | Scalar | |
mo_B_ref | B_ref | Reactive component of susceptance | Scalar |
| Name | Label | Description | Data Type | Valid Values |
|---|---|---|---|---|
mo__nmodifiers | Number of Modifiers | Specifies the number of modifiers | Number | |
mo__modifiers | Modifiers | Add new modifier | Structure | |
mo__modifiers/varname | Variable name | Cell of strings | 'abs_v' | |
mo__modifiers/attribute | Attribute | Cell of strings | 'start' | |
mo__modifiers/value | Value |
Ports
| Name | Type | Description | IO Type | Number |
|---|---|---|---|---|
pin_p | implicit | Positive quasi-static single-phase pin | input | 1 |
pin_n | implicit | Negative quasi-static single-phase pin | output | 1 |
Port 3 | implicit | Conditional heat port | input | mo_useHeatPort |