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TERMISK KARAKTÄRISERING OCH MODELLVERIFIERING AV ELMOTOR
Jönköping University, School of Engineering.
2019 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The collaboration between European aerospace research program, Clean Sky, and Saab, is the general background to this report.

With the replacement of the existing motor and instead introduce the electric motors in the aircraft, Saab wants to model and revise an existing motor model to get a more detailed description of the thermal parameters of an electric motor’s heat generation.

To be able to describe for a customer what the engine will be able to perform, it is expected for Saab to have knowledge of how warm it gets, which is the main reason that Saab wants to model the development of the heat, before the purchase of a motor. Furthermore, Saab wants to be able to use and apply different manufacturers’ catalogue data in the model without having to make additional measurements, but Saab also wants to be able to graphically display thermal work areas in a similar way as in the data sheets from various engine suppliers. Thermal figures in the data sheets and the model shall correspond and meet the customer's and Saab's requirements for different engine dimensions. The validation and verification of the model has been made through various simulation cases both to evaluating data from the electric motor for the different test scenarios and also to compare the model with different manufacturers' data sheets, without any measurements.

The purpose and aim of this thesis is to improve the calculation model as a tool for providing data tables and graphical operating interval curves for different engine sizes. Engine data should be able to be imported into Simulink-models for further analysis and estimating how a simulated reality differs, and complies with real-time measurements. The motormodel provides a basis for the study, which consists of thermal modeling analysis of an electric motor, brushless DC motor. Besides this, documentation has been carried out by the practical approach in conjunction with simulations to be able to report the technology's starting point in how the increase of temperature propagates in the model.

At the end of the report, the output from the respective simulation cases is discussed for simulated engine data and experimental measurement obtained from the engine model.

Place, publisher, year, edition, pages
2019.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hj:diva-46415ISRN: JU-JTH-ETA-1-20190003OAI: oai:DiVA.org:hj-46415DiVA, id: diva2:1356601
External cooperation
Saab AB
Subject / course
JTH, Electrical Engineering
Supervisors
Available from: 2019-10-07 Created: 2019-10-01 Last updated: 2019-10-07Bibliographically approved

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Citation style
  • apa
  • harvard1
  • ieee
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Language
  • de-DE
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  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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