Bachelorthesis (m/w/d): Model-based analysis of the precharging circuit of an IGBT rectifier topology regarding the behavior at limits

AEG Power Solutions offers a wide range of future-oriented career opportunities for people with the appropriate skills and the drive to make the difference in an agile, customer-focused, and global organization. AEG Power Solutions is looking for team players who want to continue to efficiently secure power supply to all types of infrastructures, contribute to renewable energy integration with its energy storage solutions and hydrogen production solution.

Put the skills you have acquired during your studies into practice and complete your final thesis with us.

For many converter topologies with DC link, precharging is required. This can be solved in different ways, from a simple series resistor up to a separate control with power semiconductors. The critical thing in this application is the behavior at the voltage or power limits. Due to nonlinear components and aging, even the simple system becomes a complex problem. The aim of this thesis is to derive characiteristics and dependencies to gain robust information on the limits and adaptability of these applications. 

Tasks and goals

• Literature research, overview of the state of the art
• Creation of an analytical model of the circuit
• Limit investigation to verify the model
• Investigation of tolerances and the effect on the circuit behavior
• Estimation of applicability/adaptability for further power and voltage ranges
• Goal: Complete investigation in a simulation environment

requirements:

• Attendance of the lectures Power Electronics (or comparable course) 

• Experience with simulation tools like Matlab or Octave

• Laboratory experience

What we offer:

• An innovative, global company that combines tradition with modernity

• A modern team 

• We deal with the future technologies of tomorrow, with your work you can help shape them in a groundbreaking way

• Exciting tasks in the field of energy supply (from classic areas to the energy transition)

• Excellent working atmosphere and adequate space for your ideas; it is explicitly desired that you contribute actively

• A positive welcome culture and excellent induction by our experienced colleagues

• Large canteen with a wide selection on the company premises

Please feel free to send us your documents to: career.de@aegps.com

We look forward to receiving your application documents!
We generally ask you to refrain from sending paper applications - in doing so, you and we are making a contribution to environmentally conscious behavior.

AEG Power Solutions GmbH

Emil-Siepmann-Str. 32
59581 Warstein-Belecke