blockFilter
PT1 + all-pass filter
Extends from Modelica.Blocks.Interfaces.SISO (Single Input Single Output continuous control block).
Information
First order filter with cut-off frequency fCut. The phase shift of the filter is compensated by a series of two first order all-pass filters tuned on supply frequency f.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| SI.Frequency | f | 50 | Mains Frequency |
| SI.Frequency | fCut | 2*f | Cut off frequency |
| Integer | na | 2 | Count of 1st order all-pass |
| SI.Frequency | fa | f/tan(pi/na - atan(f/fCut)/(2*na)) | Characteristic frequency of all-pass filter |
| Real | yStart | 0 | Start value of output |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| RealInput | u (from SISO) | Connector of Real input signal | |
| RealOutput | y (from SISO) | Connector of Real output signal |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Continuous.FirstOrder | firstOrder | ||
| Modelica.Blocks.Continuous.TransferFunction[na] | transferFunction |