Tobias Keller

Title: Innovations by Tobias Keller

Introduction

Tobias Keller is an accomplished inventor based in Gebenstorf, Switzerland. He holds 2 patents that showcase his expertise in electrical engineering and innovative solutions for synchronous machines and excitation systems.

Latest Patents

Keller's latest patents include an excitation system designed to enhance generator arrangements. This system features a converter that transforms AC current into DC current, a switching device for short-circuiting the AC input, and an arc detection device that identifies arc faults. Upon detection, the switching device acts to quench the arc fault, providing comprehensive protection against such issues. His second patent involves a starting apparatus for at least two synchronous machines. This apparatus includes an exciter unit for each machine, a superordinate control unit, and multiple stator feed units, all interconnected through a ring communication link. This innovative design allows for efficient operation and control of synchronous machines.

Career Highlights

Throughout his career, Tobias Keller has worked with notable companies such as ABB Schweiz AG and Hitachi Energy Ltd. His experience in these organizations has contributed significantly to his development as an inventor and engineer.

Collaborations

Keller has collaborated with esteemed colleagues, including Wolfgang Knapp and Rudolf Wieser, further enriching his professional journey and expanding his innovative capabilities.

Conclusion

Tobias Keller's contributions to the field of electrical engineering through his patents and collaborations highlight his role as a significant innovator. His work continues to influence advancements in excitation systems and synchronous machine technology.