Thermal Model and Behavior of a Totally-Enclosed-Water-Cooled Squirrel-Cage Induction Machine for Traction Applications

A thermal model of a totally enclosed water-cooled induction machine is presented. The axially and radially discretized physical regions of the machine are modeled in the object-oriented language Modelica. Additionally, the water-cooling jacket is modeled. The parameters of the thermal network are d...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2008-10, Vol.55 (10), p.3555-3565
Main Authors: Kral, C., Haumer, A., Bauml, T.
Format: Article
Language:English
Subjects:
Computational fluid dynamics
Computer simulation
Coolants
Cooling
Electric machines
Extensibility
Heat transfer
induction machine
Induction machines
Industrial electronics
Mathematical models
Networks
Object oriented
Object-oriented programming
Temperature
thermal model
Thermal stresses
Traction
Traction motors
Virtual prototyping
water
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Summary:A thermal model of a totally enclosed water-cooled induction machine is presented. The axially and radially discretized physical regions of the machine are modeled in the object-oriented language Modelica. Additionally, the water-cooling jacket is modeled. The parameters of the thermal network are derived from geometric, physical, and empirical data. The main focus of the presented highly extensible model was to achieve a good compromise between accuracy and simulation performance. Simulation and measurement results of a 6-kW prototype induction machine are presented and compared.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2008.927242