WOLFRAM SYSTEMMODELER

AIMC_DOL

Direct on line start of asynchronous induction machine with squirrel cage

Diagram

Wolfram Language

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SystemModel["Modelica.Magnetic.FundamentalWave.Examples.BasicMachines.AIMC_DOL"]
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Information

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

Direct on line (DOL) starting of an asynchronous induction machine with squirrel cage

At start time tStart three phase voltage is supplied to the asynchronous induction machine with squirrel cage. The machine starts from standstill, accelerating inertias against load torque quadratic dependent on speed, finally reaching nominal speed.

Simulate for 1.5 seconds and plot (versus time):

  • currentRMSsensorM|E.I: equivalent RMS stator current
  • aimcM|E.wMechanical: machine speed
  • aimcM|E.tauElectrical: machine torque

Parameters (8)

VsNominal

Value: 100

Type: Voltage (V)

Description: Nominal RMS voltage per phase

fNominal

Value: 50

Type: Frequency (Hz)

Description: Nominal frequency

tOn

Value: 0.1

Type: Time (s)

Description: Start time of machine

T_Load

Value: 161.4

Type: Torque (N·m)

Description: Nominal load torque

w_Load

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

Type: AngularVelocity (rad/s)

Description: Nominal load speed

J_Load

Value: 0.29

Type: Inertia (kg·m²)

Description: Load inertia

p

Value: 2

Type: Integer

Description: Number of pole pairs

aimcData

Value:

Type: AIM_SquirrelCageData

Description:

Components (17)

ground

Type: Ground

Description:

star

Type: Star

Description:

sineVoltage

Type: SineVoltage

Description:

idealCloser

Type: IdealClosingSwitch

Description:

booleanStep

Type: BooleanStep[m]

Description:

currentRMSsensorM

Type: CurrentQuasiRMSSensor

Description:

currentRMSsensorE

Type: CurrentQuasiRMSSensor

Description:

terminalBoxM

Type: TerminalBox

Description:

terminalBoxE

Type: TerminalBox

Description:

aimcM

Type: AIM_SquirrelCage

Description:

aimcE

Type: AIM_SquirrelCage

Description:

loadInertiaM

Type: Inertia

Description:

loadInertiaE

Type: Inertia

Description:

quadraticLoadTorqueM

Type: QuadraticSpeedDependentTorque

Description:

quadraticLoadTorqueE

Type: QuadraticSpeedDependentTorque

Description:

aimcData

Type: AIM_SquirrelCageData

Description:

currentQuasiRMSSensor

Type: CurrentQuasiRMSSensor

Description: