modelLVRT
Low-voltage ride-through protection
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Types.VoltageModulePu | UUnderPu | Undervoltage protection activation threshold in pu (base UNom) | |
| Types.Time | tLagAction | Time lag due to the actual tripping action in s | |
| Types.Time | tUFilt | Filter time constant for voltage measurement in s | |
| String | TablesFile | Text file that contains the tables for the functions | |
| String | TabletUunderUfilt | Name of the lookup table of disconnection time versus voltage for undervoltage | |
| Types.VoltageModulePu | U0Pu | Initial voltage amplitude at grid terminal in pu (base UNom) |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.RealInput | UMonitoredPu | Voltage amplitude at grid terminal in pu (base UNom) | |
| Modelica.Blocks.Interfaces.BooleanOutput | fOCB | Open Circuit Breaker flag | |
| Modelica.Blocks.Interfaces.BooleanOutput | switchOffSignal | Switch off message for the machine |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Tables.CombiTable1Ds | combiTable1D | ||
| Modelica.Blocks.Logical.Timer | timer | ||
| Modelica.Blocks.Continuous.FirstOrder | filter | ||
| Modelica.Blocks.Logical.Timer | timer1 | ||
| Modelica.Blocks.Logical.Greater | greater1 | ||
| Modelica.Blocks.Sources.Constant | const1 | ||
| Modelica.Blocks.Logical.Pre | pre1 | ||
| Modelica.Blocks.MathBoolean.Or | or1 |