modelSMEE_LoadDump
Test example: ElectricalExcitedSynchronousMachine with voltage controller
Extends from Modelica.Icons.Example (Icon for runnable examples).
Information
An electrically excited synchronous generator is started with a speed ramp, then driven with constant speed. Voltage is controlled, the set point depends on speed. After start-up the generator is loaded, the load is rejected.
Simulate for 10 seconds and plot:
- voltageQuasiRMSSensor.V
- smee.tauElectrical
- smee.ie
Default machine parameters are used
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | m | 3 | Number of phases |
| SI.AngularVelocity | wNominal | 2*pi*smeeData.fsNominal/smee.p | Nominal speed |
| SI.Impedance | ZNominal | 3*smeeData.VsNominal^2/smeeData.SNominal | Nominal load impedance |
| Real | powerFactor | 0.8 | Load power factor |
| SI.Resistance | RLoad | ZNominal*powerFactor | Load resistance |
| SI.Inductance | LLoad | ZNominal*sqrt(1 - powerFactor^2)/(2*pi*smeeData.fsNominal) | Load inductance |
| SI.Voltage | Ve0 | smee.IeOpenCircuit*Modelica.Electrical.Machines.Thermal.convertResistance(smee.Re, smee.TeRef, smee.alpha20e, smee.TeOperational) | No load excitation voltage |
| Real | k | 2*Ve0/smeeData.VsNominal | Voltage controller: gain |
| SI.Time | Ti | smeeData.Td0Transient/2 | Voltage controller: integral time constant |
| Modelica.Electrical.Machines.Utilities.SynchronousMachineData | smeeData | Synchronous machine data |