Electric Motors

One important application of MAGNETICS for NX is the calculation of the behavior of electric motors and similar rotating systems. 
Some projects and their results are presented on the following pages.


Motor Analysis for NVH

 

 Linear Motor for Magnetic Levitation Railway

 

This example shows how a servomotor is analyzed using MAGNETICS and NX NASTRAN. The magnetic forces on 36 teeth are transferred to a structural (acoustic) solve, which gives answers to dominant noise frequency and pressure. Read full article.

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The application to simulate is a linear motor to be used in a future magnetic levitation railway. We publish this with kindly permission by HARDT GLOBAL MOBILITY. Read full article.

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 Linear Shaft Motor Design

 

 Universal AC/DC Motor Analysis

 

In this case study a linear motor is designed and using a step by step enforced motion analysis the forces acting on the coils are determined. Read full article

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 In this application case we perform a FEM analysis with parameteridentification and circuit simulation of a universal motor. The typical characteristics speed and current over torque are determined. Read full article

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3KW Induction Motor FEM Analysis

 

 Induction Motor Parameter Identification and System-Analysis

 

In this showroom example we perform a FEM analysis of a 3KW induction motor. The analysis is completely done in NX. No parameter identification and system simulation is necessary. The typical characteristics speed and current over torque are determined. Read full article.

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The example shows how to determine and optimize the performance of a test induction (asynchronous) machine. Of particular interest is the method that is used for parameter identification: inductance and ohm resistors are calculated with FE. With these values, an analytical network statement is fed. Read full article

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Cogging Torque on a Lavet Stepping Motor

 

Transient Torque Analysis on Team24 Example

The aim of this analysis is to analyze the torque behavior of the rotating magnet of this Timex M901 motor. In particular, the angle of the locking points will be found and the associated holding torques. Read full article

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Transient nonlinear Torque Calculation of a 3D Solid Model shown on the example of the TEAM24  Benchmark model.  Read full article.

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Losses Analysis on a Servo Motor

 

Analysis of induced Voltage on a Servo Motor

MAGNETICS for NX can calculate losses using different approaches e.g. eddy losses or losses based on the Generalized Steinmetz Equation.  Read full article   Dynamic analyze for the induced voltages in the three phases of the coils over the rotor angle. Read full article

Static Torque Analysis on a Servo Motor

 

 Voltage Analysis on Team30 Asynchron Motor

  Calculation of the Motor Torque of a rotating 2D model shown on the example of a Siemens Servo Motor 1FT6. Read full article    

This example is an asynchron motor. It is belonging to the group of test examples that are well documented. See in this description how induced voltages are computed and compared to the reference data. Read full article.

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Transient Current after Switching on Team24 Example

 

 

3D transient magnetodynamic Analysis of the current over the time based on the example of TEAM 24 Benchmark. Read full article      
         

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