WOLFRAM SYSTEMMODELER

DC_PermanentMagnet

Quasistationary permanent magnet DC machine

Diagram

Wolfram Language

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SystemModel["Modelica.Electrical.Machines.BasicMachines.QuasiStationaryDCMachines.DC_PermanentMagnet"]
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Information

This information is part of the Modelica Standard Library maintained by the Modelica Association.

Quasistationary model of a DC Machine with permanent magnets.
This model is fully compatible with the transient machine model of a DC machine with permanent magnets; the only difference is that electrical transients are neglected.

Connectors (5)

flange

Type: Flange_a

Description: Shaft

support

Type: Flange_a

Description: Support at which the reaction torque is acting

pin_ap

Type: PositivePin

Description: Positive armature pin

pin_an

Type: NegativePin

Description: Negative armature pin

thermalPort

Type: PartialThermalPortDCMachines

Description:

Parameters (21)

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 TRef

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

ViNominal

Value: VaNominal - Machines.Thermal.convertResistance(Ra, TaRef, alpha20a, TaNominal) * IaNominal - Machines.Losses.DCMachines.brushVoltageDrop(brushParameters, IaNominal)

Type: Voltage (V)

Description: Nominal induced Voltage

psi_eNominal

Value: Lme * IeNominal

Type: MagneticFlux (Wb)

Description: Nominal magnetic flux

turnsRatio

Value: ViNominal / (wNominal * psi_eNominal)

Type: Real

Description: Ratio of armature turns over number of turns of the excitation winding

TpmOperational

Value: 293.15

Type: Temperature (K)

Description: Operational temperature of permanent magnet

Components (18)

frictionParameters

Type: FrictionParameters

Description: Friction loss parameter record

inertiaRotor

Type: Inertia

Description:

inertiaStator

Type: Inertia

Description:

fixed

Type: Fixed

Description:

friction

Type: Friction

Description:

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: PartialPowerBalanceDCMachines

Description: Power balance

ra

Type: Resistor

Description:

la

Type: InductorDC

Description:

brush

Type: Brush

Description:

core

Type: Core

Description:

strayLoad

Type: StrayLoad

Description:

thermalAmbient

Type: PartialThermalAmbientDCMachines

Description:

airGapDC

Type: AirGapDC

Description:

eGround

Type: Ground

Description:

ie

Type: ConstantCurrent

Description:

Used in Examples (1)

DCPM_QuasiStationary

Test example: Compare DCPM motors transient - quasistationary