modelTapChangerController
Extends from TransiEnt.Basics.Icons.Controller (Icon for controller).
Information
1. Purpose of model
Advanced model of a controller for On Load Tap Cahanger (OLTC)
2. Level of detail, physical effects considered, and physical insight
L1E (defined in the CodingConventions) Only the change of ratio is calculated.
3. Limits of validity
Timer that starts counting when voltage is out of deadband
4. Interfaces
Complex Power Port for voltage measurement and ouput for ratio
5. Nomenclature
(no elements)
6. Governing Equations
(no remarks)
7. Remarks for Usage
(no further remarks)
8. Validation
Testmodel in TransiEnt.Components.Electrical.PowerTransformation.Check.GridN5AreaFirstVoltageCollapse
9. References
(no remarks)
10. Version History
Model created by Jan-Peter Heckel (jan.heckel@tuhh.de) in July 2019
Model revised and added to TransiEnt Library by Jan-Peter Heckel (jan.heckel@tuhh.de) in December 2019
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | numberTaps | 5 | number of taps for each direction |
| SI.Voltage | v_prim_n | simCenter.v_n | nominal voltage on primary side |
| SI.Voltage | v_sec_n | 30e3 | nominal voltage on secondary side |
| SI.Voltage | v_deadband | 0.025*v_sec_n | deadband voltage for secondary side |
| SI.Voltage | v_max | 1.05*v_sec_n | maximum voltage on secondary side |
| SI.Time | T_delay | 10 | time delay of tap changer |
| Real | idleRatio | v_prim_n/v_sec_n | Ratio without tap change |
| Real | tapRatio | (v_max - v_sec_n)/numberTaps | Voltage change with one tap change |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.Basics.Interfaces.Electrical.ComplexPowerPort | epp | connect this epp with secondary | |
| Modelica.Blocks.Interfaces.RealOutput | RatioOut |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.SimCenter | simCenter | ||
| TransiEnt.Components.Sensors.ElectricVoltageComplex | electricVoltageComplex | measurement of voltage on secondary side | |
| Modelica.Blocks.Logical.Timer | timerUp | ||
| Modelica.Blocks.Logical.Timer | timerDown | ||
| Modelica.Blocks.Logical.GreaterEqualThreshold | greaterEqualThresholdUp | ||
| Modelica.Blocks.Logical.GreaterEqualThreshold | greaterEqualThresholdDown | ||
| Modelica.Blocks.Logical.Pre | preUp | ||
| Modelica.Blocks.Logical.Pre | pre2 | ||
| Modelica.Blocks.Logical.And | andUp | ||
| Modelica.Blocks.Logical.And | andDown | ||
| Modelica.Blocks.Logical.Not | notUp | ||
| Modelica.Blocks.Logical.Not | notDown | ||
| Modelica.Blocks.Sources.BooleanExpression | activateUpBlock | ||
| Modelica.Blocks.Sources.BooleanExpression | activateDownBlock | ||
| Real | currentTap | ||
| Boolean | activateUp | ||
| Boolean | activateDown |