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

An ideal frequency inverter is modeled by using a VfController and a three-phase SignalVoltage. Frequency is raised by a ramp, causing the permanent magnet synchronous machine to start, and accelerating inertias. At time tStep a load step is applied.

Simulate for 1.5 seconds and plot (versus time):

• currentQuasiRMSSensor.I: stator current RMS
• smpm.wMechanical: motor's speed
• smpm.tauElectrical: motor's torque
• rotorDisplacementAngle.rotorDisplacementAngle: rotor displacement angle

Default machine parameters are used.

In practice it is nearly impossible to drive a PMSMD without current controller.

VNominal	Value: 100 Type: Voltage (V) Description: Nominal RMS voltage per phase
fNominal	Value: 50 Type: Frequency (Hz) Description: Nominal frequency
f	Value: 50 Type: Frequency (Hz) Description: Actual frequency
tRamp	Value: 1 Type: Time (s) Description: Frequency ramp
TLoad	Value: 181.4 Type: Torque (N·m) Description: Nominal load torque
tStep	Value: 1.2 Type: Time (s) Description: Time of load torque step
JLoad	Value: 0.29 Type: Inertia (kg·m²) Description: Load's moment of inertia
smpmData	Value: Type: SM_PermanentMagnetData Description: Synchronous machine data