WOLFRAM SYSTEM MODELER
DC_SeriesExcitedQuasi-static series excited linear DC machine |
 |
Diagram
Wolfram Language
In[1]:=
SystemModel["Modelica.Electrical.Machines.BasicMachines.QuasiStaticDCMachines.DC_SeriesExcited"]
Out[1]:=
Information
This information is part of the Modelica Standard Library maintained by the Modelica Association.
Quasi-static model of a DC Machine with Series excitation.This model is fully compatible with the transient machine model of a DC machine with series excitation; the only difference is that electrical transients are neglected.
Parameters (24)
| Jr |
Value: Type: Inertia (kg⋅m²) Description: Rotor's moment of inertia |
|---|---|
| useSupport |
Value: false Type: Boolean Description: Enable / disable (=fixed stator) support |
| Js |
Value: Jr Type: Inertia (kg⋅m²) Description: Stator's moment of inertia |
| useThermalPort |
Value: false Type: Boolean Description: Enable / disable (=fixed temperatures) thermal port |
| frictionParameters |
Value: Type: FrictionParameters Description: Friction loss parameter record |
| TaOperational |
Value: Type: Temperature (K) Description: Operational armature temperature |
| VaNominal |
Value: Type: Voltage (V) Description: Nominal armature voltage |
| IaNominal |
Value: Type: Current (A) Description: Nominal armature current (>0..Motor, <0..Generator) |
| wNominal |
Value: Type: AngularVelocity (rad/s) Description: Nominal speed |
| TaNominal |
Value: Type: Temperature (K) Description: Nominal armature temperature |
| Ra |
Value: Type: Resistance (Ω) Description: Armature resistance at TaRef |
| TaRef |
Value: Type: Temperature (K) Description: Reference temperature of armature resistance |
| alpha20a |
Value: Type: LinearTemperatureCoefficient20 (1/K) Description: Temperature coefficient of armature resistance |
| La |
Value: Type: Inductance (H) Description: Armature inductance |
| coreParameters |
Value: Type: CoreParameters Description: Armature core loss parameter record |
| strayLoadParameters |
Value: Type: StrayLoadParameters Description: Stray load loss parameter record |
| brushParameters |
Value: Type: BrushParameters Description: Brush loss parameter record |
| Re |
Value: Type: Resistance (Ω) Description: Series excitation resistance at TeRef |
| TeRef |
Value: Type: Temperature (K) Description: Reference temperature of excitation resistance |
| alpha20e |
Value: Type: LinearTemperatureCoefficient20 (1/K) Description: Temperature coefficient of excitation resistance |
| Le |
Value: Type: Inductance (H) Description: Total field excitation inductance |
| sigmae |
Value: Type: Real Description: Stray fraction of total excitation inductance |
| TeNominal |
Value: Type: Temperature (K) Description: Nominal series excitation temperature |
| TeOperational |
Value: Type: Temperature (K) Description: Operational series excitation temperature |
Outputs (9)
| phiMechanical |
Default Value: flange.phi - internalSupport.phi Type: Angle (rad) Description: Mechanical angle of rotor against stator |
|---|---|
| wMechanical |
Default Value: der(phiMechanical) Type: AngularVelocity (rad/s) Description: Mechanical angular velocity of rotor against stator |
| tauElectrical |
Default Value: inertiaRotor.flange_a.tau Type: Torque (N⋅m) Description: Electromagnetic torque |
| tauShaft |
Default Value: -flange.tau Type: Torque (N⋅m) Description: Shaft torque |
| powerBalance |
Type: PowerBalanceDCSE Description: Power balance |
| va |
Default Value: pin_ap.v - pin_an.v Type: Voltage (V) Description: Armature voltage |
| ia |
Default Value: pin_ap.i Type: Current (A) Description: Armature current |
| ve |
Default Value: pin_ep.v - pin_en.v Type: Voltage (V) Description: Field excitation voltage |
| ie |
Default Value: pin_ep.i Type: Current (A) Description: Field excitation current |
Connectors (9)
 |
flange |
Type: Flange_a Description: Shaft |
|---|---|---|
|
support |
Type: Flange_a Description: Support at which the reaction torque is acting |
 |
internalSupport |
Type: Support Description: Support/housing flange of a one-dimensional rotational shaft |
 |
pin_ap |
Type: PositivePin Description: Positive armature pin |
 |
pin_an |
Type: NegativePin Description: Negative armature pin |
 |
thermalPort |
Type: ThermalPortDCSE Description: Thermal port of DC machine with series excitation |
|
internalThermalPort |
Type: ThermalPortDCSE Description: Thermal port of DC machine with series excitation |
|
pin_ep |
Type: PositivePin Description: Positive series excitation pin |
|
pin_en |
Type: NegativePin Description: Negative series excitation pin |
Components (21)
 |
frictionParameters |
Type: FrictionParameters Description: Friction loss parameter record |
|---|---|---|
 |
inertiaRotor |
Type: Inertia Description: 1D-rotational component with inertia |
|
inertiaStator |
Type: Inertia Description: 1D-rotational component with inertia |
 |
fixed |
Type: Fixed Description: Flange fixed in housing at a given angle |
 |
friction |
Type: Friction Description: Model of angular velocity dependent friction losses |
 |
coreParameters |
Type: CoreParameters Description: Armature core loss parameter record |
 |
strayLoadParameters |
Type: StrayLoadParameters Description: Stray load loss parameter record |
 |
brushParameters |
Type: BrushParameters Description: Brush loss parameter record |
 |
powerBalance |
Type: PowerBalanceDCSE Description: Power balance |
 |
ra |
Type: Resistor Description: Ideal linear electrical resistor |
 |
la |
Type: InductorDC Description: Ideal linear electrical inductor for electrical DC machines |
 |
brush |
Type: Brush Description: Model considering voltage drop of carbon brushes |
 |
core |
Type: Core Description: Model of core losses |
 |
strayLoad |
Type: StrayLoad Description: Model of stray load losses dependent on current and speed |
 |
thermalAmbient |
Type: ThermalAmbientDCSE Description: Thermal ambient for DC machine with series excitation |
 |
airGapDC |
Type: AirGapDC Description: Linear airgap model of a DC machine |
 |
compoundDCExcitation |
Type: CompoundDCExcitation Description: Compound excitation = shunt + series |
 |
ground |
Type: Ground Description: Ground node |
|
groundE |
Type: Ground Description: Ground node |
|
re |
Type: Resistor Description: Ideal linear electrical resistor |
|
lesigma |
Type: InductorDC Description: Ideal linear electrical inductor for electrical DC machines |
Used in Examples (1)
 |
Modelica.Electrical.Machines.Examples.DCMachines Test example: Compare torque-speed characteristic of DC motors |