modelIEEE_ST4B
Static excitation system - IEEE type ST4B
Information
The class implements a model of a static exictation system according to the IEEE Std 421.5TM-2005.The type implemented is the ST4B, described in the chapter 7.4 of the same IEEE Std 421.5TM-2005.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| SI.PerUnit | kpr | 10.75 | Voltage regulator proportional gain |
| Real | kir | 10.75 | Voltage regulator integral gain |
| SI.Time | Ta | 0.02 | Voltage regulator time constant |
| SI.PerUnit | vrmax | 1 | Maximum voltage regulator output |
| SI.PerUnit | vrmin | -0.87 | Minimum voltage regulator output |
| SI.PerUnit | kpm | 1 | Voltage regulator proportional gain output |
| Real | kim | 0 | Voltage regulator integral gain output |
| SI.PerUnit | vmmax | 99 | Maximum inner loop output |
| SI.PerUnit | vmmin | -99 | Minimum inner loop output |
| SI.PerUnit | kg | 0 | Feedbak gain of the inner loop field regulator |
| SI.PerUnit | kc | 0.113 | Rectifier loading factor proportional to commutating reactance |
| SI.PerUnit | vbmax | 11.63 | Maximum excitation voltage |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.RealInput | VsPu | PSS output p.u | |
| Modelica.Blocks.Interfaces.RealInput | VcPu | Machine terminal voltage p.u. | |
| Modelica.Blocks.Interfaces.RealInput | VePu | Exciter voltage back of commutating reactance p.u. | |
| Modelica.Blocks.Interfaces.RealInput | IfdPu | Machine field current p.u. | |
| Modelica.Blocks.Interfaces.RealInput | VrefPu | Voltage reference p.u. | |
| Modelica.Blocks.Interfaces.RealInput | VuelPu | Underexcitation limit p.u. | |
| Modelica.Blocks.Interfaces.RealInput | VoelPu | Overexcitation limit p.u. | |
| Modelica.Blocks.Interfaces.RealOutput | EfdPu | Exciter output voltage p.u. |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Math.MultiSum | sum1 | ||
| PowerGrids.Controls.PIWithNonWindupLimiter | voltageRegulatorPI | ||
| PowerGrids.Controls.FirstOrder | voltageRegulatorTa | ||
| Modelica.Blocks.Math.Feedback | feedback | ||
| PowerGrids.Controls.PIWithNonWindupLimiter | voltageRegulatorOutput | ||
| Modelica.Blocks.Math.Min | lvGate | ||
| Modelica.Blocks.Math.Gain | gainKg | ||
| Modelica.Blocks.Math.Product | prod1 | ||
| Modelica.Blocks.Math.Division | div1 | ||
| Modelica.Blocks.Math.Gain | gainKc | ||
| BaseClasses.ExciterRectifierRegulationCharacteristicEquationsIEEE | exciterRectifierRegulationCharacteristicEquationsIEEE | ||
| Modelica.Blocks.Math.Product | prod2 | ||
| Modelica.Blocks.Nonlinear.Limiter | limiterVbmax |