Patents by Inventor Sven Berglund

Sven Berglund has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Converter station for connecting an AC system to an end of an HVDC transmission line
    Patent number: 8098504
    Abstract: A converter station for connecting an AC system to an HVDC transmission line. At least two converters are arranged in two separate converter valve halls. The station includes a separate control device configured to control of each converter and an auxiliary power source configured to provide auxiliary power for each converter. A separate overall control configured to control the overall operation conditions is arranged for each converter making each converter self supporting. The converter valve halls are separated by a substantial space.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: January 17, 2012
    Assignee: ABB Technology Ltd.
    Inventors: Per H. Karlsson, Sven Berglund, Nils Nordström
  • CONVERTER STATION
    Publication number: 20090168473
    Abstract: A converter station for connecting an AC system to an HVDC transmission line. At least two converters are arranged in two separate converter valve halls. The station includes a separate control device configured to control of each converter and an auxiliary power source configured to provide auxiliary power for each converter. A separate overall control configured to control the overall operation conditions is arranged for each converter making each converter self supporting. The converter valve halls are separated by a substantial space.
    Type: Application
    Filed: June 14, 2006
    Publication date: July 2, 2009
    Applicant: ABB TECHNOLOGY LTD.
    Inventors: Per H. Karlsson, Sven Berglund, Nils Nordstrom