WOLFRAM SYSTEMMODELER

AIMC_YD

Test example: AsynchronousInductionMachineSquirrelCage Y-D

Diagram

Wolfram Language

In[1]:=
SystemModel["Modelica.Electrical.Machines.Examples.AsynchronousInductionMachines.AIMC_YD"]
Out[1]:=

Information

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

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

Simulate for 2.5 seconds and plot (versus time):

  • currentQuasiRMSSensor.I: stator current RMS
  • aimc.wMechanical: motor's speed
  • aimc.tauElectrical: motor's torque

Default machine parameters are used.

Parameters (8)

VNominal

Value: 100

Type: Voltage (V)

Description: Nominal RMS voltage per phase

fNominal

Value: 50

Type: Frequency (Hz)

Description: Nominal frequency

tStart1

Value: 0.1

Type: Time (s)

Description: Start time

tStart2

Value: 2.0

Type: Time (s)

Description: Start time from Y to D

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

aimcData

Value:

Type: AIM_SquirrelCageData

Components (12)

aimc

Type: AIM_SquirrelCage

currentQuasiRMSSensor

Type: CurrentQuasiRMSSensor

sineVoltage

Type: SineVoltage

star

Type: Star

ground

Type: Ground

booleanStep

Type: BooleanStep[m]

idealCloser

Type: IdealClosingSwitch

switchYD

Type: SwitchYD

booleanStepYD

Type: BooleanStep[m]

loadInertia

Type: Inertia

quadraticLoadTorque

Type: QuadraticSpeedDependentTorque

aimcData

Type: AIM_SquirrelCageData