WOLFRAM SYSTEM MODELER

IMC_Initialize

Steady-state initialization of induction machine with squirrel cage

Diagram

Wolfram Language

In[1]:=
SystemModel["Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Initialize"]
Out[1]:=

Information

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

Test example: Steady-State Initialization of an induction machine with squirrel cage
The induction machine with squirrel cage is initialized in steady-state at no-load; at time tStart a load torque step is applied.
Simulate for 1.5 seconds and plot (versus time):
  • currentQuasiRMSSensor.I: stator current RMS
  • aimc.wMechanical: motor's speed
  • aimc.tauElectrical: motor's torque
Default machine parameters of model IM_SquirrelCage are used.

Parameters (9)

m

Value: 3

Type: Integer

Description: Number of phases

VNominal

Value: 100

Type: Voltage (V)

Description: Nominal RMS voltage per phase

fNominal

Value: imc.fsNominal

Type: Frequency (Hz)

Description: Nominal frequency

wSync

Value: 2 * pi * fNominal / imcData.p

Type: AngularVelocity (rad/s)

Description: Synchronous speed

tStart

Value: 0.5

Type: Time (s)

Description: Start time

TLoad

Value: 161.4

Type: Torque (N⋅m)

Description: Nominal load torque

wLoad

Value: 1440.45 * 2 * Modelica.Constants.pi / 60

Type: AngularVelocity (rad/s)

Description: Nominal load speed

JLoad

Value: 0.29

Type: Inertia (kg⋅m²)

Description: Load's moment of inertia

imcData

Value:

Type: IM_SquirrelCageData

Description: Induction machine data

Components (19)

imcQS

Type: IM_SquirrelCage

Description: Induction machine with squirrel cage

currentQuasiRMSSensorQS

Type: CurrentQuasiRMSSensor

Description: Continuous quasi current RMS sensor for polyphase system

sineVoltageQS

Type: VoltageSource

Description: Constant polyphase AC voltage

starQS

Type: Star

Description: Star connection

groundQS

Type: Ground

Description: Electrical ground

loadInertiaQS

Type: Inertia

Description: 1D-rotational component with inertia

torqueStepQS

Type: TorqueStep

Description: Constant torque, not dependent on speed

terminalBoxQS

Type: MultiTerminalBox

Description: Terminal box Y/D-connection

imcData

Type: IM_SquirrelCageData

Description: Induction machine data

imc

Type: IM_SquirrelCage

Description: Induction machine with squirrel cage

currentQuasiRMSSensor

Type: CurrentQuasiRMSSensor

Description: Continuous quasi current RMS sensor for polyphase system

sineVoltage

Type: SineVoltage

Description: Polyphase sine voltage source

star

Type: Star

Description: Star-connection

ground

Type: Ground

Description: Ground node

loadInertia

Type: Inertia

Description: 1D-rotational component with inertia

torqueStep

Type: TorqueStep

Description: Constant torque, not dependent on speed

terminalBox

Type: MultiTerminalBox

Description: Terminal box Y/D-connection

starMachineQS

Type: Star

Description: Star connection

starMachine

Type: Star

Description: Star-connection