WOLFRAM SYSTEMMODELER

DcSeriesExcitedData

Common parameters for DC machines

Wolfram Language

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SystemModel["Modelica.Electrical.Machines.Utilities.ParameterRecords.DcSeriesExcitedData"]
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Information

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

Basic parameters of DC machines are predefined with default values.

Parameters (21)

Jr

Value: 0.15

Type: Inertia (kg·m²)

Description: Rotor's moment of inertia

Js

Value: Jr

Type: Inertia (kg·m²)

Description: Stator's moment of inertia

VaNominal

Value: 100

Type: Voltage (V)

Description: Nominal armature voltage

IaNominal

Value: 100

Type: Current (A)

Description: Nominal armature current (>0..Motor, <0..Generator)

wNominal

Value: 1410 * 2 * pi / 60

Type: AngularVelocity (rad/s)

Description: Nominal speed

TaNominal

Value: 293.15

Type: Temperature (K)

Description: Nominal armature temperature

Ra

Value: 0.05

Type: Resistance (Ω)

Description: Armature resistance at TRef

TaRef

Value: 293.15

Type: Temperature (K)

Description: Reference temperature of armature resistance

alpha20a

Value: 0

Type: LinearTemperatureCoefficient20 (¹/K)

Description: Temperature coefficient of armature resistance

La

Value: 0.0015

Type: Inductance (H)

Description: Armature inductance

frictionParameters

Value:

Type: FrictionParameters

Description: Friction loss parameter record

ViNominal

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

Type: Voltage (V)

coreParameters

Value:

Type: CoreParameters

Description: Armature core loss parameter record

strayLoadParameters

Value:

Type: StrayLoadParameters

Description: Stray load losses

brushParameters

Value:

Type: BrushParameters

Description: Brush loss parameter record

Re

Value: 0.01

Type: Resistance (Ω)

Description: Series excitation resistance at TRef

TeRef

Value: 293.15

Type: Temperature (K)

Description: Reference temperature of excitation resistance

alpha20e

Value: 0

Type: LinearTemperatureCoefficient20 (¹/K)

Description: Temperature coefficient of excitation resistance

Le

Value: 0.0005

Type: Inductance (H)

Description: Total field excitation inductance

sigmae

Value: 0

Type: Real

Description: Stray fraction of total excitation inductance

TeNominal

Value: 293.15

Type: Temperature (K)

Description: Nominal series excitation temperature

Components (4)

frictionParameters

Type: FrictionParameters

Description: Friction loss parameter record

coreParameters

Type: CoreParameters

Description: Armature core loss parameter record

strayLoadParameters

Type: StrayLoadParameters

Description: Stray load losses

brushParameters

Type: BrushParameters

Description: Brush loss parameter record

Used in Examples (2)

DCSE_Start

Modelica.Electrical.Machines.Examples.DCMachines

Test example: DC with serial excitation starting with voltage ramp

DCSE_SinglePhase

Modelica.Electrical.Machines.Examples.DCMachines

Test example: DC with serial excitation starting with voltage ramp