Three-phase engine model problem AC...

Hello, is it possible to use the 3PH_Motor of the family OUTPUT_DEVICES located in the Electro_Mechanical group but with a model modified to Spice that uses only the data printed on the nameplate? I ask this question because I simulate the power factor correction using a field of 10 engines rated at 110 kW each, for my thesis, but I need to the R and L of the windings in order to use the default template and I can't find these values in the catalogues.

Thank you in advance and I hope that there is a way to solve this problem...

I guess that you are looking for an induction motor.

It would be simplistic to model a with a fixed R, support the induction motor (in the Multisim V12 we actually removed the 3PH_Motor and added instead a more realistic dynamics model based on a more realistic set of parameters). An induction motor is in many ways like a transformer. Therefore, you must the inductance of magnetization, inductors of leak of the rotor and the stator and rotor and the stator resistance. You may be able to contact the manufacturer to obtain, but I doubt that you can accurately their inferred only from the nameplate.

This link goes on a simple equilibrium model: http://www.scribd.com/doc/13311930/Induction-Motor-Modeling-steady-State

Thank you

Tags: NI Software

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