modelTransmissionLineModelica
Transmission line circuit - Implementation using the Modelica Standard Library
Information
In this model, a transmission line circuit is implemented by the Modelica Standard Library components. Transmission line circuit is represented as in the figure below. The application is the same as TransmissionLineEquations.
The parameters for the TransmissionLineModelica are:
| Parameters | Comment |
|---|---|
| N | number of segments |
| r | resistance per meter |
| l | inductance per meter |
| c | capacitance per meter |
| length | length of the transmission line |
| w | cut-off frequency |
| RL | load resistance |
| TD | time delay of the transmission line |
| v | velocity of signal |
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | N | 1 | number of segments of the transmission line |
| SIunits.Resistance | r | resistance per meter | |
| SIunits.Inductance | l | inductance per meter | |
| SIunits.Capacitance | c | capacitance per meter | |
| SIunits.Length | length | length of the transmission line | |
| SIunits.AngularFrequency | w | cut-off frequency | |
| SIunits.Resistance | RL | (l/c)^(1/2) | load resistance |
| SIunits.Time | TD | length/v | time delay of the transmission line |
| SIunits.Velocity | v | 1/(l*c)^(1/2) | velocity of the signal |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Electrical.Analog.Sources.SignalVoltage | signalvoltage | ||
| Modelica.Electrical.Analog.Basic.Ground | ground1 | ||
| Modelica.Blocks.Continuous.SecondOrder | lowpassfilter | ||
| Modelica.Blocks.Sources.Step | step | ||
| Models.TransmissionLine | transmissionline | ||
| Modelica.Electrical.Analog.Basic.Resistor | resistor | ||
| Modelica.Electrical.Analog.Basic.Ground | ground2 |