Patents by Inventor Ludvig DE LAVAL

Ludvig DE LAVAL 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 module for HVDC power station
    Patent number: 10284076
    Abstract: A converter module for power converter stations includes a first terminal for input/output of an electrical current to the converter module via a first connection line, a second terminal for output/input of the current from the converter module via a second connection line, and a by-pass switch connected between the first terminal and the second terminal. The converter module further includes a first switching module and a second switching module connected in series via a first node connected to either one of the first terminal and the second terminal and at least two capacitor units. The first switching module includes two switching devices and the second switching module is connected between the first node and a second node.
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: May 7, 2019
    Assignee: ABB SCHWEIZ AG
    Inventors: Nan Chen, Sari Laihonen, Ludvig De Laval, Erik Doré
  • CONVERTER MODULE FOR HVDC POWER STATION
    Publication number: 20190028020
    Abstract: A converter module for power converter stations includes a first terminal for input/output of an electrical current to the converter module via a first connection line, a second terminal for output/input of the current from the converter module via a second connection line, and a by-pass switch connected between the first terminal and the second terminal. The converter module further includes a first switching module and a second switching module connected in series via a first node connected to either one of the first terminal and the second terminal and at least two capacitor units. The first switching module includes two switching devices and the second switching module is connected between the first node and a second node.
    Type: Application
    Filed: February 12, 2016
    Publication date: January 24, 2019
    Applicant: ABB SCHWEIZ AG
    Inventors: Nan CHEN, Sari LAIHONEN, Ludvig DE LAVAL, Erik DORÉ