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Electric machine iron loss measurement and modeling – excitation waveform and manufacturing effects
Thesis Worker at Volvo Cars
Welcome to exploring the world of Volvo Cars by writing your thesis with us! As a thesis worker in our organization, you are supported by a supervisor who follows you during your project. All thesis projects are arranged in business-critical areas and therefore you will be able to contribute to our company’s purpose – providing freedom to move in a safe, sustainable, and personal way – from day one!
The Electric Drive department at Volvo Cars is proud of being one of the most successful players in development for Electric Vehicles. We are responsible for delivering system solutions and functionality for the Inverter, Electric Machine (EM), and Transmission in our electric vehicles. Our vision is to become “Leading in electrification” and aiming to contribute to world class sustainability, energy efficiency, EM functionality, customer satisfaction, to all our future products.
Scope
Increasing demand for electric vehicles has put a significant stress on designing highly efficient electric machines. A known fact is that manufacturing methods to shape electrical steel sheets deteriorate electromagnetic properties of the material and increases iron losses. Traditionally, data sheets used in FEM simulation of electric machines are generated by sinusoidal flux. However, the switching of the inverter introduces high frequency distortion in the source voltage and therefore can impact the flux density and in general and also iron losses of the EMs.
The main objective with this thesis work is to compare losses in electrical steel sheets used in construction of EMs with a sinusoidal and a non-sinusoidal flux density wave, through measurements and by modeling the losses using Finite Elements Method-based software. Finally do comparisons and draw conclusions.
Activities we foresee that should be done during this thesis work are:
What you’ll bring
We believe that the suitable students study Electric power engineering, with experience in using MATLAB and FEM based applications, like Ansys Maxwell for electromagnetic analysis and modeling.
Duration
Be part of the change – apply today!
We’d love to receive and review your application. Selection will be ongoing during the application period, so do not hesitate to send in your application. Attach your CV, copies of your grades, and personal letter stating your interests within the given area and your thoughts and credentials. You can provide a reference if you like.
Apply as soon as possible but no later than 2023-11-02.
Please note that applications via email will not be accepted.
If you want more information about the project or simply learn a bit more about the team, please reach out to:
Supervisor, Sima Soltanipour at , (+46 73 143 94 77)
Hiring manager, Anders Thulin at , (+46 723 71 60 43)
Everything we do starts with people. Our purpose is to provide freedom to move, in a personal, sustainable and safe way. We are committed to simplifying our customers’ lives by offering better technology solutions that improve their impact on the world and bringing the most advanced mobility innovations to protect them, their loved ones and the people around them.
Volvo Cars’ continued success is the result of a collaborative, diverse, and inclusive working environment. The people of Volvo Cars are committed to making a difference in our world. Today, we are one of the most well-known and respected car brands, with over 40,000 employees across the globe. We believe in bringing out the best in each other and harnessing the true power of people. At Volvo Cars your career is designed around your talents and aspirations so you can reach your full potential. Join us on a journey of a lifetime as we create safety, autonomous driving and electrification technologies of tomorrow.
29-09-2024
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