TEKNIK ELEKTRONIKA

Cobham Technical Services has unveiled a 3D version of its rapid electromagnetic design tool for rotating electrical machines, the Advanced Machines Environment, that combines the high accuracy of finite element analysis (FEA) simulation with a design entry system that generates full 3D models of electric motors or generators within minutes. The software is an application-specific toolbox for the Opera electromagnetic simulator and allows users to achieve radical new levels of design productivity and performance.

FEA techniques allow users to simulate design concepts with superior precision and accuracy, but it can take many hours to generate a 3D model of a complex product such as a motor. The 3D Advanced Machines Environment provides a front end for the electromagnetic simulator with 'fill in the blanks' dialog boxes to accelerate design entry.

Users can select the type of motor or generator they want to design from a list of common types and versions and then enter the values of ten or so parameters that define the mechanical geometry, material properties and electrical data. After this, the 3D model is generated automatically. The complete design entry process can easily be completed in less than five minutes.
The new 3D software allows designers to accurately model an entire machine, providing a comprehensive simulation that takes even marginal factors such fringe effects and end winding effects into account.

The 3D Advanced Machines Environment comes with design templates for common rotating machinery, including motor types such as AC induction, brushless, permanent magnet and switched reluctance, as well as synchronous motors and generators.

The 3D version also introduces support for the fast-growing axial flux electrical machine sector, which uses a geometry that cannot be represented in 2D. Users can additionally select numerous design options for different machine types, such as various rotor styles.

Image: Cobham Technical Services


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