SynchronousMachineData

Computes machine parameter from usual datasheet

    SynchronousMachineData

Library

Modelica/Electrical/Machines/Utilities

Description

The parameters of the synchronous machine model with electrical excitation (and damper) are calculated from parameters normally given in a technical description, according to the standard EN 60034-4:2008 Appendix C.

Parameters

SynchronousMachineData_0

NameLabelDescriptionData TypeValid Values

mo_SNominal

SNominal

Nominal apparent power

Scalar

mo_VsNominal

VsNominal

Nominal stator voltage per phase

Scalar

mo_IsNominal

IsNominal

Nominal stator current per phase

Scalar

mo_ZReference

ZReference

Reference impedance

Scalar

mo_fsNominal

fsNominal

Nominal stator frequency

Scalar

mo_omega

omega

Nominal angular frequency

Scalar

mo_IeOpenCircuit

IeOpenCircuit

Open circuit excitation current @ nominal voltage and frequency

Scalar

mo_effectiveStatorTurns

effectiveStatorTurns

Effective number of stator turns

Scalar

mo_turnsRatio

turnsRatio

Stator current / excitation current

Scalar

mo_x0

x0

Stator stray inductance per phase (approximately zero impedance) [pu]

Scalar

mo_xd

xd

Synchronous reactance per phase, d-axis [pu]

Scalar

mo_xq

xq

Synchronous reactance per phase, q-axis [pu]

Scalar

mo_xdTransient

xdTransient

Transient reactance per phase, d-axis [pu]

Scalar

mo_xdSubtransient

xdSubtransient

Subtransient reactance per phase, d-axis [pu]

Scalar

mo_xqSubtransient

xqSubtransient

Subtransient reactance per phase, q-axis [pu]

Scalar

mo_Ta

Ta

Armature time constant

Scalar

mo_Td0Transient

Td0Transient

Open circuit field time constant Td0'

Scalar

mo_Td0Subtransient

Td0Subtransient

Open circuit subtransient time constant Td0'', d-axis

Scalar

mo_Tq0Subtransient

Tq0Subtransient

Open circuit subtransient time constant Tq0'', q-axis

Scalar

mo_xmd

xmd

Main field reactance per phase, d-axis [pu]

Scalar

mo_xmq

xmq

Main field reactance per phase, q-axis [pu]

Scalar

mo_xe

xe

Excitation reactance [pu]

Scalar

mo_xrd

xrd

Damper reactance per phase, d-axis [pu]

Scalar

mo_xrq

xrq

Damper reactance per phase, d-axis [pu]

Scalar

mo_rs

rs

Stator resistance per phase at specification temperature [pu]

Scalar

mo_rrd

rrd

Damper resistance per phase at specification temperature, d-axis [pu]

Scalar

mo_rrq

rrq

Damper resistance per phase at specification temperature, q-axis [pu]

Scalar

mo_re

re

Excitation resistance per phase at specification temperature [pu]

Scalar

SynchronousMachineData_1

NameLabelDescriptionData TypeValid Values

mo_TsSpecification

TsSpecification

Specification temperature of stator resistance

Scalar

mo_TsRef

TsRef

Reference temperature of stator resistance

Scalar

mo_alpha20s

alpha20s

Temperature coefficient of stator resistance at 20 degC

Scalar

mo_TrSpecification

TrSpecification

Specification temperature of (optional) damper cage

Scalar

mo_TrRef

TrRef

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

Scalar

mo_alpha20r

alpha20r

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

Scalar

mo_TeSpecification

TeSpecification

Specification excitation temperature

Scalar

mo_TeRef

TeRef

Reference temperature of excitation resistance

Scalar

mo_alpha20e

alpha20e

Temperature coefficient of excitation resistance

Scalar

SynchronousMachineData_2

NameLabelDescriptionData TypeValid Values

mo_Rs

Rs

Stator resistance per phase at TRef

Scalar

mo_Lssigma

Lssigma

Stator stray inductance per phase

Scalar

mo_Lmd

Lmd

Main field inductance per phase in d-axis

Scalar

mo_Lmq

Lmq

Main field inductance per phase in q-axis

Scalar

mo_Lrsigmad

Lrsigmad

Damper stray inductance in d-axis

Scalar

mo_Lrsigmaq

Lrsigmaq

Damper stray inductance in q-axis

Scalar

mo_Rrd

Rrd

Damper resistance in d-axis at TRef

Scalar

mo_Rrq

Rrq

Damper resistance in q-axis at TRef

Scalar

mo_Re

Re

Excitation resistance at TRef

Scalar

mo_sigmae

sigmae

Stray fraction of total excitation inductance

Scalar