modelDCExciterWithOEL
Extends from TransiEnt.Components.Electrical.Machines.ExcitationSystemsVoltageController.PartialExcitationSystem.
Information
1. Purpose of model
Voltage Control with overexcitation limting
2. Level of detail, physical effects considered, and physical insight
L2E only transfer functions with PT1-elements
3. Limits of validity
No PSS
4. Interfaces
epp (ComplexPowerPort) for Voltage measurement and real output
5. Nomenclature
(no elements)
6. Governing Equations
(no equations)
7. Remarks for Usage
voltage controller from literature
8. Validation
(no validation or testing necessary)
9. References
[1] P. Kundur, “Power system stability and control ”, EPRI Power System Engineering Series, Mc Graw Hill, 1993
[2] “IEEE Recommended Practice for Excitation System Models for Power System Stability Studies”, in IEEE Std 421.5-2016 (Revision of IEEE Std 421.5-2005) , vol., no., pp.1-207, 26 Aug. 2016 doi: 10.1109/IEEESTD.2016.7553421
[3] T. Van Cutsem, “Excitation systems and automatic voltage regulators&rdquo, lecture material “Power system dynamics, control and stability”, 2018
10. Version History
Created by Jan-Peter Heckel (jan.heckel@tuhh.de), Aug 2018
OEL added by Zahra Nadia Faili (zahra.faili@nithh.de), July 2019
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Voltage | v_n | simCenter.v_n | Nominal Voltage |
| Real | TA | 0.1 | Time constant of Controller |
| Real | KA | 80 | Gain of Controller |
| Real | TB | 0.06 | Pole Lead |
| Real | TC | 0.17 | Zero Lead |
| Real | TE | 1 | Time constant of Exciter |
| Real | KE | 0.5 | Gain of Exciter |
| Real | A | 0.001 | coefficient for saturation |
| Real | B | 1.5 | coefficient for saturation |
| Real | TST | 1 | Time constantb of stabilization loop |
| Real | KST | 0.5 | Gain of stabilization loop |
| Real | LimitofExcitation | 2 | maximum factor of excitation (current) |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.RealOutput | y (from PartialExcitationSystem) | Output for electric potential | |
| Basics.Interfaces.Electrical.ActivePowerPort | epp1 (from PartialExcitationSystem) |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.SimCenter | simCenter (from PartialExcitationSystem) | ||
| Modelica.Blocks.Continuous.FirstOrder | firstOrder2 | ||
| Modelica.Blocks.Math.Feedback | feedback | ||
| Modelica.Blocks.Sources.RealExpression | realExpression1 | ||
| TransiEnt.Components.Sensors.ElectricVoltageComplex | electricVoltageComplex | ||
| Modelica.Blocks.Math.Feedback | feedbackSaturation | ||
| Modelica.Blocks.Continuous.FirstOrder | firstOrder1 | ||
| Modelica.Blocks.Continuous.TransferFunction | transferFunction | ||
| Modelica.Blocks.Nonlinear.Limiter | limiter | ||
| Modelica.Blocks.Continuous.Derivative | derivative | ||
| Modelica.Blocks.Math.Feedback | feedback1 | ||
| TransiEnt.Basics.Blocks.UserDefinedFunction | userDefinedFunction | ||
| Modelica.Blocks.Math.Add | add1 | ||
| TransiEnt.Components.Electrical.Machines.ExcitationSystemsVoltageController.OverExcitationLimiter.OverExcitationLimiterSummation | oEL_summation |