Christer Sjöberg

Title: The Innovations of Christer Sjöberg

Introduction

Christer Sjöberg is a notable inventor based in Ludvika, Sweden. He has made significant contributions to the field of electrical engineering, particularly in the development of modular multilevel converters. With a total of 5 patents to his name, his work has had a considerable impact on the industry.

Latest Patents

One of his latest patents is titled "Modular MMC phase arm and control thereof." This invention provides a method for controlling a plurality of converter cells in a phase arm of a modular multilevel converter (MMC). The method involves dividing the main reference into several reference parts and operating multiple modulators in parallel, each controlling a respective group of converter cells. Another significant patent is the "Ground system for high voltage semiconductor valve." This invention includes a high voltage valve arrangement with an external electric shield structure and a grounding system that can be remotely extended to establish an electric connection.

Career Highlights

Throughout his career, Christer has worked with prominent companies such as ABB Schweiz AG and Hitachi Energy Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in the field.

Collaborations

He has collaborated with notable professionals in the industry, including Wim Van-Der-Merwe and Björn Sandin. These collaborations have further enhanced his work and led to advancements in electrical engineering.

Conclusion

Christer Sjöberg's contributions to the field of electrical engineering through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.