Neutral
Informational - no clear directional impact
Low Impact
Minor progress or informational
In 1991, an active DC filter described as the world’s first of its kind was installed at the Lindome converter station on Pole 2 (Konti-Skan 2), providing advanced harmonic filtering functionality as part of Hitachi Energy’s (then ABB’s) technology development on the Konti-Skan HVDC link.