modelLinearSynchronousMachineComplex
Extends from TransiEnt.Components.Electrical.Machines.Base.PartialQuasiStationaryGeneratorComplex (Abstract class for quasistationary generators for ComplexPowerPort).
Information
1. Purpose of model
Linear model of a synchronous machine with constant efficiency. Mechanical connection is stiff.
2. Level of detail, physical effects considered, and physical insight
L1E - only active power flow and frequency, voltage fixed and reactive power can be distributed without restriction
- Constant efficiency
- Mechanical connection is stiff
3. Limits of validity
Only for active power frequency dynamics
4. Interfaces
epp (ComplexPowerPort)
Mechanical power port mpp
Modelica RealInput: electric potential in [V]
5. Nomenclature
(no elements)
6. Governing Equations
(no equations)
7. Remarks for Usage
For numerical reasons, do not connect this machine directly to tranformer or resistor/reactance. Use line instead.
Set IsSlack to true for slack-bus version
8. Validation
Tested in the check model "TransiEnt.Components.Electrical.Machines.Check.CheckLinearSynchronousMachineComplex"
9. References
(no remarks)
10. Version History
Model created by Jan-Peter Heckel (jan.heckel@tuhh.de) in March 2018
Based on model by Pascal Dubucq (dubucq@tuhh.de) from October 2014
Modified to new interface ComplexPowerPort when created
Model made more modular (extension of partial class and one version for Slack and PU-Bus) in June/July 2018
Model revised (own Frequency) in October/November 2018
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.PowerFactor | cosphi_n (from PartialQuasiStationaryGeneratorComplex) | P_el_n/S_n | |
| Modelica.Units.SI.ReactivePower | Q_n (from PartialQuasiStationaryGeneratorComplex) | sqrt(S_n^2 - P_el_n^2) | |
| Boolean | noReactivePower | simCenter.idealSuperstructLocalGrid | Deactivate provision of reactive power in order to ideally couple multiple generators |
| General | |||
| SI.Voltage | v_n (from PartialQuasiStationaryGenerator) | simCenter.v_n | Nominal voltage |
| Modelica.Units.SI.ActivePower | P_el_n (from PartialQuasiStationaryGeneratorComplex) | 180e3 | Nominal active power |
| Modelica.Units.SI.ApparentPower | S_n (from PartialQuasiStationaryGeneratorComplex) | 225e3 | Nominal apparent power |
| Type of Bus | |||
| Boolean | IsSlack (from PartialQuasiStationaryGeneratorComplex) | false | true for Slack bus |
| SI.Angle | angle_slacklsm (from PartialQuasiStationaryGeneratorComplex) | 0 | Set voltage angle at port or polar wheel angle at slack machine |
| Boolean | OwnFrequency (from PartialQuasiStationaryGeneratorComplex) | false | true for own frequency, only possible when IsSlack=false |
| Physical constraints | |||
| Real | D_cage (from PartialQuasiStationaryGeneratorComplex) | 0 | Cage Damping |
| Modelica.Units.SI.Efficiency | eta | 1 | Total efficiency |