modelAverageLoadConsumer
Extends from TransiEnt.Basics.Icons.ElectricalConsumer (Icon for runnable examples).
Information
1. Purpose of model
Static load model with representation of active power as constant current and reactive power as constant impedance. This model can be used in the absence of any further information on the load composition [1].
The constant current active power represents a mix of resistive and motor (nearly const. MVA) devices.
2. Level of detail, physical effects considered, and physical insight
(no remarks)
3. Limits of validity
(no remarks)
4. Interfaces
P_el_set: input for active power in [W] (active power input at nominal frequency)
epp: apparent power port
5. Nomenclature
(no remarks)
6. Governing Equations
(no remarks)
7. Remarks for Usage
(no remarks)
8. Validation
Tested in check model "TransiEnt.Consumer.Electrical.Check.CheckAverageLoadConsumer"
9. References
IEEE Task Force on Load Representation for Dynamic Performance: Load representation for dynamic performance analysis (of power systems). In: IEEE Transactions on Power Systems Bd. 8 (1993), Nr. 2, S. 472–482
10. Version History
Model created by Pascal Dubucq (dubucq@tuhh.de) on 21.04.2017
Model modified by Julian Urbansky, Fraunhofer UMSICHT, in August 2021
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Boolean | useInputConnectorP | false | Gets parameter from input connector |
| SI.Power | P_el_set_const | 0 | Used, if not useInputConnectorP |
| Boolean | useCosPhi | true | |
| SI.ReactivePower | Q_el_set | 0 | |
| SI.PowerFactor | cosphi_set | 1 | |
| Integer | behavior | 1 | |
| Real | f_n | simCenter.f_n | Nominal frequency |
| Real | v_n | simCenter.v_n | Nominal voltage |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.Basics.Interfaces.Electrical.ElectricPowerIn | P_el_set | active power input at nominal frequency | |
| TransiEnt.Basics.Interfaces.Electrical.ApparentPowerPort | epp |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| TransiEnt.SimCenter | simCenter | ||
| TransiEnt.ModelStatistics | modelStatistics | ||
| TransiEnt.Components.Sensors.ElectricFrequencyVoltage | electricFrequency_L1_1 | ||
| TransiEnt.Components.Boundaries.Electrical.ApparentPower.ApparentPower | boundary | ||
| TransiEnt.Components.Statistics.Collectors.LocalCollectors.CollectElectricPower | collectElectricPower | ||
| SI.PowerFactor | cosphi_is | cos(epp.P/sqrt(max(1.0*simCenter.P_el_small, epp.Q^2 + epp.P^2))) | |
| Modelica.Blocks.Math.Product | ActiveSum | ||
| Modelica.Blocks.Sources.RealExpression | P_el_n | ||
| Modelica.Blocks.Sources.RealExpression | Q_el_n | ||
| Modelica.Blocks.Math.Product | ReactiveSum | ||
| Modelica.Blocks.Sources.RealExpression | v_star_square | ||
| Modelica.Blocks.Math.Gain | v_star |