modelInductionMotorSimple

Induction Motor Model with improved coupling and simple equations
Diagram of InductionMotorSimple

Extends from TransiEnt.Basics.Icons.MachineRL (Icon for runnable examples).

Information

1. Purpose of model

Simple model of an induction machine using TransiEnt electrical interfaces.

2. Level of detail, physical effects considered, and physical insight

no mechanical modeling

3. Limits of validity

L3E - Models are based on electrical networks in quasi-stationary form.

4. Interfaces

Mechanical power port mpp

Complex power port epp

Modelica RealInput: frequency in Hz

5. Nomenclature

omega_rot is the angular velocity of the rotor

f_rot is the frequency of the rotor

slip is the slip of the asynchronous machine

delta_asy is an angle

cosphi is the power factor

S is the apparent power

v_grid is the voltage of the grid

P_mech is the mechanical power

6. Governing Equations

(no equations)

7. Remarks for Usage

(no remarks)

8. Validation

test mode is given

9. References

electrical submodel from [1] F. Milano, “Power System Modelling and Scripting”, Springer London, 2010, p. 349f

10. Version History

Model created by Jan-Peter Heckel (jan.heckel@tuhh.de) in July 2019

Parameters

TypeNameDefaultDescription
Modelica.Units.SI.Frequencyf_rot_n591.3/60
SI.Voltagev_nsimCenter.v_n
RealN_pp5
Realslip_n0.0145Nonminal Slip
SI.PowerP_n738113Nominal Power
BooleanuseConvertertrueTrue for frequency input
Modelica.Units.SI.Reactancex_my140Magnetization reactance
Modelica.Units.SI.Resistancer_s0.7stator resistance
Modelica.Units.SI.Reactancex_s5.4Stator reactance
Modelica.Units.SI.Reactancex_R15.991st cage rotor reactance
Modelica.Units.SI.Resistancer_R10.5991st cage rotor resistance

Connectors

TypeNameDefaultDescription
TransiEnt.Basics.Interfaces.General.MechanicalPowerPortmpp
TransiEnt.Basics.Interfaces.General.FrequencyInf_converterFrequency input from converter
TransiEnt.Basics.Interfaces.Electrical.ComplexPowerPortepp

Components

TypeNameDefaultDescription
TransiEnt.SimCentersimCenter
Realslipslip of asynchronous machine
Modelica.Units.SI.AngularFrequencyomega_rotAngular Frequency of rotation
Modelica.Units.SI.Frequencyf_rotor
Modelica.Units.SI.Angledelta_asyepp.delta
Modelica.Units.SI.PowerFactorcosphiabs(S.re)/Modelica.ComplexMath.abs(S)
Modelica.Units.SI.ComplexPowerS
Modelica.Units.SI.Voltagev_gridepp.v
Modelica.Units.SI.PowerP_mech-mpp.tau*omega_rot