Location History:
- Vasteras, SE (2015 - 2016)
- Västerås, SE (2019 - 2023)
Company Filing History:
2 out of 996 
1 out of 178 
1 out of 2,636 
Years Active: 2015-2023
Title: Fredrik Sahlen: Innovator in High-Voltage Insulation Technology
Introduction
Fredrik Sahlen is a notable inventor based in Västerås, Sweden. He has made significant contributions to the field of electrical insulation, particularly in high-voltage devices. With a total of 4 patents to his name, Sahlen's work is recognized for its innovative approach to enhancing the performance and safety of electrical components.
Latest Patents
One of Sahlen's latest patents is focused on MFC in pressboards for high-voltage devices. This patent describes a pressboard that has a density of 0.6-1.3 g/cm according to IEC60641-2. The pressboard includes 1-15% microfibrillated cellulose (MFC) based on the total dry weight, along with an insulation element. This insulation element can be impregnated with an electrically insulating compound, making it suitable for use in high-voltage devices such as power transformers. Another significant patent involves a cellulose-based pressboard for insulation in electrical power transformers. This pressboard incorporates polyvinylamine (PVAm) and polyacrylamide (PAM) in a combined amount of between 0.01% and 20% by weight.
Career Highlights
Throughout his career, Fredrik Sahlen has worked with prominent companies in the industry. He has been associated with Abb Research Ltd. and Hitachi Energy Switzerland AG, where he has contributed to various innovative projects. His expertise in electrical insulation technology has positioned him as a key player in the development of safer and more efficient high-voltage devices.
Collaborations
Sahlen has collaborated with several professionals in his field, including Anders Bjorklund and Henrik Hillborg. These collaborations have further enhanced his work and contributed to the advancement of electrical insulation technologies.
Conclusion
Fredrik Sahlen's contributions to high-voltage insulation technology through his patents and collaborations highlight his innovative spirit and dedication to improving electrical safety. His work continues to influence the industry and pave the way for future advancements.