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Advanced Transient Thermal Modeling of Traction Motors in Ansys

Luca Boscaglia

Advanced Transient Thermal Modeling of Traction Motors in Ansys.

Rel. Aldo Boglietti, Shafigh Nategh. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Elettrica, 2020

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This thesis introduces the results of the study about the thermal modeling conducted through the collaboration between Politecnico di Torino and ABB AB. The Aim of the project is to become a reference for the definition of an innovative thermal model relative to an asynchronous motor for railway traction. Calculations are done in Ansys and are then compared with the results obtained in the ABB laboratories. The thesis can be divided in four main topics. The first chapter is concentrated on different cooling layouts for electric motor, operating conditions of traction motors and different thermal modelling methods. The second chapter deals with all the challenges that a thermal analysis and the design of a thermal model can bring about motors in the railway field. All the CFD calculations are made with ANSYS. Finite elements analysis is introduced paying attention to Finite Volume modeling also since it will be used by the simulator as well. The 3D design of the motor and fan are made with ANSYS SpaceClaim and a CFD simulation is conducted with ANSYS Fluent. In the third chapter thermal models developing for railway traction motors are described At the end, in the fourth chapter, the results obtained are compared with the experimental ones in the laboratory.

Relators: Aldo Boglietti, Shafigh Nategh
Academic year: 2019/20
Publication type: Electronic
Number of Pages: 84
Corso di laurea: Corso di laurea magistrale in Ingegneria Elettrica
Classe di laurea: New organization > Master science > LM-28 - ELECTRICAL ENGINEERING
Aziende collaboratrici: ABB AB
URI: http://webthesis.biblio.polito.it/id/eprint/14007
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