Tommy Johansson

Title: Tommy Johansson: Innovator in High Voltage Power Cable Technology

Introduction

Tommy Johansson, an accomplished inventor based in Bräkne-Hoby, Sweden, has made significant contributions to the field of electrical engineering through his innovative patents. With a total of three patents to his name, Johansson specializes in advancements related to power cable technology, demonstrating his commitment to improving electrical systems for a more efficient and reliable future.

Latest Patents

Johansson's latest patents showcase his expertise in developing methods and products that enhance the performance of high voltage direct current (HVDC) systems. One notable invention is a method of jointing a power cable, which involves building a joint insulation of a power cable joint. This method includes winding a first electrically insulating tape around an inner semiconducting layer that covers the conductor joint, ensuring effective insulation by connecting the cable lengths. Additionally, a second electrically insulating tape is wound around the inner insulation layer, forming an outer insulation layer. This innovative approach features a higher peroxide content in the first tape, promoting superior crosslinking of the joint insulation.

Another significant invention by Johansson is a high voltage DC power cable with water-blocking capability, designed for voltage levels of 320 kV or higher. This cable consists of a multi-wire conductor encased in an inner semiconducting layer, functioning as a protective screen. Its solid insulation system, combined with a specially designed water-blocking compound, restricts water migration, thereby enhancing the reliability and longevity of the cable in challenging environments.

Career Highlights

Throughout his profession, Tommy Johansson has contributed his knowledge and expertise to prestigious companies in the industry. Notably, he has worked with NKT HV Cables AB and ABB Research Ltd., where he was able to apply his innovative ideas in developing cutting-edge power cable technologies. His dedication and technical skill have established him as a respected figure in high voltage engineering.

Collaborations

During his career, Johansson has had the opportunity to collaborate with notable professionals in the field, including Poorvi Patel and Birgitta Källstrand. These collaborations have fostered a creative environment that has led to groundbreaking developments in the power cable sector.

Conclusion

Tommy Johansson's work is a testament to the importance of innovation in the electrical engineering landscape. Through his patents and collaborations, he continues to advance the technology related to high voltage power cables, ensuring greater efficiency and safety in power distribution systems. His contributions not only enhance current practices but also set the stage for future innovations in the industry.