Daniel Chadstrom

Title: Innovations by Daniel Chadstrom in Electric Motor Systems

Introduction

Daniel Chadstrom is an accomplished inventor based in Mölndal, Sweden. He has made significant contributions to the field of electric motor systems, particularly in the area of DC bus ripple elimination for multiphase electric machines. His innovative approach has the potential to enhance the efficiency of electric motor systems.

Latest Patents

Daniel Chadstrom holds a patent for a multiphase electric motor system and a method for controlling it. The patent, titled "DC bus ripple elimination for multiphase electric machines," describes a method that involves modulating a plurality of carrier signals with modulation signals. This process generates a multiphase motor supply signal with modulated phase signals for each phase of the electric motor. The method defines time windows in each period of the multiphase motor supply signal, allowing for the modification of selected modulated phase signals by delaying the associated carrier signal. This innovation leads to a significant reduction in DC bus ripple, enabling the use of smaller filter capacitors in electrical motor systems.

Career Highlights

Daniel is currently employed at Aros Electronics AB, where he continues to develop and refine technologies related to electric motor systems. His work focuses on improving the efficiency and performance of multiphase electric machines.

Collaborations

Daniel collaborates with talented individuals in his field, including Jerker Hellström and Oskar Josefsson. Their combined expertise contributes to the advancement of innovative solutions in electric motor technology.

Conclusion

Daniel Chadstrom's contributions to the field of electric motor systems exemplify the impact of innovation on technology. His patent for DC bus ripple elimination showcases his commitment to enhancing efficiency in multiphase electric machines.