Bachelor Thesis in Test Automation of Power Converter Systems (w/m/d)


Wildpoldsried, BY, DE

Stellen-ID:  2848

At the earliest date possible we are looking for support for our #teamsonnen

Clean and affordable energy for all is one of the greatest challenges of our time. Sonnen has been committed to this mission since 2010 and is now represented in Europe, the USA and Australia with over 1,000 team members globally. In Germany, our offices are located in the beautiful Wildpoldsried (Allgäu) and the vibrating heart of Berlin Kreuzberg.

At sonnen, we are building the energy system of the future. To this end, we are developing new technologies and business models that have not existed before. Whether intelligent power storage, virtual power plants or digital services - we set the trends of a new energy world. That means, among other things, the inexpensive production and storage of renewable energy and the intelligent networking of producers and consumers. sonnen thereby gives people around the world the opportunity to become independent of fossil fuels and conventional energy supplier.

We are growing steadily and are looking for people who want to join us in our vision of clean and affordable energy for all while making a positive impact on climate change.

What it is all about:


The thesis shall explore the requirements of power conversion systems (PCS) in stationary energy storage systems in low voltage power grid. With an interface level understanding of the power conversion systems, the thesis shall focus on circuit design & programming of microcontroller / microprocessor for automated tests including but not limited to the following features of PCS:


  • Microgrid Formation of Grid-tied System & Control

  • Overload Protections and Power Recovery in Microgrid Operation

  • Rapid Shut Down Protection

  • Integrating the test automation program with the existing test automation framework for report generation and documentation shall complete the thesis work.


Where you already are:


  • Enrolled in a suitable study program in University / Applied Science Institute

  • Knowledge or prior experience in microcontroller programming in C/C++

  • Basic knowledge of Python programming environment

  • Knowledge of Power Converters in Stationary Storage Systems is desired

  • Fluent in German and English

What you can expect at sonnen:

  • An atmosphere of openness, tolerance and mutual respect, where innovation is expected and encouraged
  • Flexible working hours and home office option
  • Free German, English as well as online yoga and body art courses
  • Soft drinks, fruits and cereals in our offices
  • Regular team and company events
  • We love dogs! You too? Feel free to bring your fellow friend to our offices
  • Other benefits, such as discounts on sports memberships and other services or products

You feel we are a match? Apply now and help us to shape the energy transition together. We look forward to welcoming you to #teamsonnen!

sonnen - energy is yours!

Jobsegment: Testing, Technology