Stefan Thorburn-Johansson

Title: Innovations by Stefan Thorburn-Johansson

Introduction

Stefan Thorburn-Johansson is a notable inventor based in Västerås, Sweden. He has made significant contributions to the field of renewable energy, particularly in wind power technology. His innovative approach has led to the development of a unique patent that enhances the efficiency of wind energy systems.

Latest Patents

Stefan holds a patent for a "Wind mill power flow control with dump load and power converter." This invention pertains to a wind mill apparatus designed for generating electric power to a grid point of an electric network. The apparatus comprises a wind rotor and an electric generator that is operatively connected to the wind rotor. Additionally, it features an electric multiphase AC link that connects the generator to the grid point. The AC link includes a first current path with switchgear and a second current path that incorporates a DC link. This DC link consists of a first converter connected to the generator, a second converter linked to the grid point, and a capacitor that connects the conductors of the DC link. Notably, the AC link also includes a connectable multiphase dump load that blocks reactive power flow during fault conditions while allowing a reduced transfer of active power.

Career Highlights

Stefan is currently employed at ABB Research Ltd., where he continues to work on innovative solutions in the energy sector. His expertise in wind energy technology has positioned him as a valuable asset to his team and the broader field of renewable energy.

Collaborations

Stefan collaborates with talented individuals such as Lars Gertmar and Hans Christian Christensen. Their combined efforts contribute to advancing technology in the renewable energy sector.

Conclusion

Stefan Thorburn-Johansson's work exemplifies the innovative spirit in the field of renewable energy. His patent for wind mill power flow control demonstrates a significant advancement in wind energy technology. Through his career at ABB Research Ltd. and collaborations with skilled colleagues, he continues to push the boundaries of what is possible in sustainable energy solutions.