.Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Inverter

Induction machine with squirrel cage and inverter

Information

An ideal frequency inverter is modeled by using a VfController and a three-phase SignalVoltage. Frequency is raised by a ramp, causing the induction machine with squirrel cage to start, and accelerate inertias. At time tStep a load step is applied.

Simulate for 1.5 seconds and plot (versus time):

Compare with transient models IMC_Inverter (Electrical.Machines) and IMC_Inverter (FundamentalWave). Note that electrical transients are neglected, but mechanical transients are taken into account.

Theoretical thoughts

By setting the stator resistance Rs = 0, comparing quasistatic points of operation for different stator frequencies fs, it can be seen that

Default machine parameters are used.


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