WOLFRAM SYSTEM MODELER

SM_ElectricalExcitedData

Common parameters for synchronous machines with electrical excitation

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Information

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

Basic parameters of synchronous machines with electrical excitation are predefined with default values.

Parameters (30)

m

Value: 3

Type: Integer

Description: Number of phases

Jr

Value: 0.29

Type: Inertia (kg⋅m²)

Description: Rotor's moment of inertia

Js

Value: Jr

Type: Inertia (kg⋅m²)

Description: Stator's moment of inertia

p

Value: 2

Type: Integer

Description: Number of pole pairs (Integer)

fsNominal

Value: 50

Type: Frequency (Hz)

Description: Nominal frequency

Rs

Value: 0.03

Type: Resistance (Ω)

Description: Stator resistance per phase at TRef

TsRef

Value: 293.15

Type: Temperature (K)

Description: Reference temperature of stator resistance

alpha20s

Value: 0

Type: LinearTemperatureCoefficient20 (1/K)

Description: Temperature coefficient of stator resistance at 20 degC

effectiveStatorTurns

Value: 1

Type: Real

Description: Effective number of stator turns

Lszero

Value: Lssigma

Type: Inductance (H)

Description: Stator zero sequence inductance

Lssigma

Value: 0.1 / (2 * pi * fsNominal)

Type: Inductance (H)

Description: Stator stray inductance per phase

frictionParameters

Value:

Type: FrictionParameters

Description: Friction loss parameter record

statorCoreParameters

Value:

Type: CoreParameters

Description: Stator core loss parameter record; all parameters refer to stator side

strayLoadParameters

Value:

Type: StrayLoadParameters

Description: Stray load losses

Lmd

Value: 1.5 / (2 * pi * fsNominal)

Type: Inductance (H)

Description: Stator main field inductance per phase in d-axis

Lmq

Value: 1.5 / (2 * pi * fsNominal)

Type: Inductance (H)

Description: Stator main field inductance per phase in q-axis

useDamperCage

Value: true

Type: Boolean

Description: Enable / disable damper cage

Lrsigmad

Value: 0.05 / (2 * pi * fsNominal)

Type: Inductance (H)

Description: Damper stray inductance in d-axis

Lrsigmaq

Value: Lrsigmad

Type: Inductance (H)

Description: Damper stray inductance in q-axis

Rrd

Value: 0.04

Type: Resistance (Ω)

Description: Damper resistance in d-axis at TRef

Rrq

Value: Rrd

Type: Resistance (Ω)

Description: Damper resistance in q-axis at TRef

TrRef

Value: 293.15

Type: Temperature (K)

Description: Reference temperature of damper resistances in d- and q-axis

alpha20r

Value: 0

Type: LinearTemperatureCoefficient20 (1/K)

Description: Temperature coefficient of damper resistances in d- and q-axis

VsNominal

Value: 100

Type: Voltage (V)

Description: Nominal stator RMS voltage per phase

IeOpenCircuit

Value: 10

Type: Current (A)

Description: Open circuit excitation current @ nominal voltage and frequency

Re

Value: 2.5

Type: Resistance (Ω)

Description: 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

sigmae

Value: 0.025

Type: Real

Description: Stray fraction of total excitation inductance

brushParameters

Value:

Type: BrushParameters

Description: Brush loss parameter record

Components (4)

frictionParameters

Type: FrictionParameters

Description: Friction loss parameter record

statorCoreParameters

Type: CoreParameters

Description: Stator core loss parameter record; all parameters refer to stator side

strayLoadParameters

Type: StrayLoadParameters

Description: Stray load losses

brushParameters

Type: BrushParameters

Description: Brush loss parameter record