modelDynamicExponentialElectricConsumerComplex
Extends from TransiEnt.Basics.Icons.ElectricalConsumer (Icon for runnable examples).
Information
1. Purpose of model
Dynamic Load model for voltage stability analysis
2. Level of detail, physical effects considered, and physical insight
simple exponential model
3. Limits of validity
L2E - Models are based on (dynamic) transfer functions or differential equations.
4. Interfaces
Complex power port epp
5. Nomenclature
(no remarks)
6. Governing Equations
(no equations)
7. Remarks for Usage
by default, no frequency dependency
8. Validation
(no remarks)
9. References
[1] Thierry Van Cutsem, Costas Vournas: Voltage Stability of Electric Power Systems, Springer, 2008
10. Version History
Model created by Zahra Nadia Faili (zahra.faili@nithh.de) in July 2019
Model revised by Jan-Peter Heckel (jan.heckel@tuhh.de) and added to TransiEnt Library in December 2019
Frequency dependency added in March 2021
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | Tp | 60 | recovery time constant for active power |
| Real | Tq | 30 | recovery time constant for reactive power |
| Real | alpha_s | 0.38 | steady state load exponent_active power |
| Real | alpha_t | 2.26 | transient load exponent_active power |
| Real | beta_s | 2 | steady state load exponent_reactive power |
| Real | beta_t | 2.5 | transient load exponent_reactive power |
| Real | kpf | 0 | frequency dependency of active power |
| Real | kqf | 0 | frequency dependency of reactive power |
| Modelica.Units.SI.Voltage | v_n | simCenter.v_n | nominal voltage |
| Modelica.Units.SI.Frequency | f_n | simCenter.f_n | nominal frequency |
| Modelica.Units.SI.ReactivePower | Q_n | 50e6 | initial reactive power which is nominal reactive power |
| Modelica.Units.SI.ActivePower | P_n | 100e6 | initial active power which is nominal active power |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.Basics.Interfaces.Electrical.ComplexPowerPort | epp | connect this epp with secondary |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.SimCenter | simCenter | ||
| Real | Z_p | ||
| Real | Z_q | ||
| SI.Voltage | v_cp | ||
| Modelica.Units.SI.Angle | delta_cp |