recordSMEE1
Machine parameters of electrical excited synchronous machine with rotor saliency
Extends from Modelica.Electrical.Machines.Utilities.SynchronousMachineData (Computes machine parameter from usual datasheet).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| SI.ApparentPower | SNominal (from SynchronousMachineData) | Nominal apparent power | |
| SI.Voltage | VsNominal (from SynchronousMachineData) | Nominal stator voltage per phase | |
| SI.Current | IsNominal (from SynchronousMachineData) | SNominal/(3*VsNominal) | Nominal stator current per phase |
| SI.Impedance | ZReference (from SynchronousMachineData) | VsNominal/IsNominal | Reference impedance |
| SI.Frequency | fsNominal (from SynchronousMachineData) | Nominal stator frequency | |
| SI.AngularVelocity | omega (from SynchronousMachineData) | 2*pi*fsNominal | Nominal angular frequency |
| SI.Current | IeOpenCircuit (from SynchronousMachineData) | Open circuit excitation current @ nominal voltage and frequency | |
| Real | effectiveStatorTurns (from SynchronousMachineData) | 1 | Effective number of stator turns |
| Real | turnsRatio (from SynchronousMachineData) | sqrt(2)*VsNominal/(omega*Lmd*IeOpenCircuit) | Stator current / excitation current |
| Real | x0 (from SynchronousMachineData) | Stator stray inductance per phase (approximately zero impedance) [pu] | |
| Real | xd (from SynchronousMachineData) | Synchronous reactance per phase, d-axis [pu] | |
| Real | xq (from SynchronousMachineData) | Synchronous reactance per phase, q-axis [pu] | |
| Real | xdTransient (from SynchronousMachineData) | Transient reactance per phase, d-axis [pu] | |
| Real | xdSubtransient (from SynchronousMachineData) | Subtransient reactance per phase, d-axis [pu] | |
| Real | xqSubtransient (from SynchronousMachineData) | Subtransient reactance per phase, q-axis [pu] | |
| SI.Time | Ta (from SynchronousMachineData) | Armature time constant | |
| SI.Time | Td0Transient (from SynchronousMachineData) | Open circuit field time constant Td0' | |
| SI.Time | Td0Subtransient (from SynchronousMachineData) | Open circuit subtransient time constant Td0'', d-axis | |
| SI.Time | Tq0Subtransient (from SynchronousMachineData) | Open circuit subtransient time constant Tq0'', q-axis | |
| Real | xmd (from SynchronousMachineData) | xd - x0 | Main field reactance per phase, d-axis [pu] |
| Real | xmq (from SynchronousMachineData) | xq - x0 | Main field reactance per phase, q-axis [pu] |
| Real | xe (from SynchronousMachineData) | xmd^2/(xd - xdTransient) | Excitation reactance [pu] |
| Real | xrd (from SynchronousMachineData) | xmd^2/(xdTransient - xdSubtransient)*(1 - (xmd/xe))^2 + xmd^2/xe | Damper reactance per phase, d-axis [pu] |
| Real | xrq (from SynchronousMachineData) | xmq^2/(xq - xqSubtransient) | Damper reactance per phase, d-axis [pu] |
| Real | rs (from SynchronousMachineData) | 2/(1/xdSubtransient + 1/xqSubtransient)/(omega*Ta) | Stator resistance per phase at specification temperature [pu] |
| Real | rrd (from SynchronousMachineData) | (xrd - xmd^2/xe)/(omega*Td0Subtransient) | Damper resistance per phase at specification temperature, d-axis [pu] |
| Real | rrq (from SynchronousMachineData) | xrq/(omega*Tq0Subtransient) | Damper resistance per phase at specification temperature, q-axis [pu] |
| Real | re (from SynchronousMachineData) | xe/(omega*Td0Transient) | Excitation resistance per phase at specification temperature [pu] |
| Material | |||
| SI.Temperature | TsSpecification (from SynchronousMachineData) | Specification temperature of stator resistance | |
| SI.Temperature | TsRef (from SynchronousMachineData) | Reference temperature of stator resistance | |
| Machines.Thermal.LinearTemperatureCoefficient20 | alpha20s (from SynchronousMachineData) | Temperature coefficient of stator resistance at 20 degC | |
| SI.Temperature | TrSpecification (from SynchronousMachineData) | Specification temperature of (optional) damper cage | |
| SI.Temperature | TrRef (from SynchronousMachineData) | Reference temperature of damper resistances in d- and q-axis | |
| Machines.Thermal.LinearTemperatureCoefficient20 | alpha20r (from SynchronousMachineData) | Temperature coefficient of damper resistances in d- and q-axis | |
| SI.Temperature | TeSpecification (from SynchronousMachineData) | Specification excitation temperature | |
| SI.Temperature | TeRef (from SynchronousMachineData) | Reference temperature of excitation resistance | |
| Machines.Thermal.LinearTemperatureCoefficient20 | alpha20e (from SynchronousMachineData) | Temperature coefficient of excitation resistance | |
| Result | |||
| SI.Resistance | Rs (from SynchronousMachineData) | Machines.Thermal.convertResistance(rs*ZReference, TsSpecification, alpha20s, TsRef) | Stator resistance per phase at TRef |
| SI.Inductance | Lssigma (from SynchronousMachineData) | x0*ZReference/omega | Stator stray inductance per phase |
| Real | ratioCommonStatorLeakage (from SynchronousMachineData) | 1 | Ratio of common stray inductance / total stray inductance of stator winding |
| SI.Inductance | Lmd (from SynchronousMachineData) | xmd*ZReference/omega | Main field inductance per phase in d-axis |
| SI.Inductance | Lmq (from SynchronousMachineData) | xmq*ZReference/omega | Main field inductance per phase in q-axis |
| SI.Inductance | Lrsigmad (from SynchronousMachineData) | (xrd - xmd)*ZReference/omega | Damper stray inductance in d-axis |
| SI.Inductance | Lrsigmaq (from SynchronousMachineData) | (xrq - xmq)*ZReference/omega | Damper stray inductance in q-axis |
| SI.Resistance | Rrd (from SynchronousMachineData) | Machines.Thermal.convertResistance(rrd*ZReference, TrSpecification, alpha20r, TrRef) | Damper resistance in d-axis at TRef |
| SI.Resistance | Rrq (from SynchronousMachineData) | Machines.Thermal.convertResistance(rrq*ZReference, TrSpecification, alpha20r, TrRef) | Damper resistance in q-axis at TRef |
| SI.Resistance | Re (from SynchronousMachineData) | 3/2*turnsRatio^2*Machines.Thermal.convertResistance(re*ZReference, TeSpecification, alpha20e, TeRef) | Excitation resistance at TRef |
| Real | sigmae (from SynchronousMachineData) | 1 - xmd/xe | Stray fraction of total excitation inductance |