Patents by Inventor Norbert Klaassen

Norbert Klaassen 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).

  • Wind farm having a plurality of wind energy installations
    Patent number: 8766480
    Abstract: The invention relates to a wind power plant (4) which consists of a nacelle (12) arranged on a tower (14), a rotor (28), a generator (16), a power converter (20) on the generator side, a power converter (22) on the network side and a transformer (26), the two power converters (20, 22) being electrically connected to each other on the DC voltage side, and the power converter (22) on the network side being connected on the AC voltage side to a feeding point (8) of a destination network (6) by means of the transformer (26). Every phase module (74) of the power converter (22) on the network side has an upper and lower valve branch (T1, T3, T5; T2, T4, T6) having at least two bipolar subsystems (76) that are connected in series and the power converter (20) on the generator side and the power converter (22) on the network side are interconnected on the DC side by means of a DC cable (72).
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: July 1, 2014
    Assignee: Siemens Aktiengesellschaft
    Inventors: Marc Hiller, Norbert Klaassen, Theodor Salzmann, Rainer Sommer
  • WIND FARM HAVING A PLURALITY OF WIND ENERGY INSTALLATIONS
    Publication number: 20110049994
    Abstract: The invention relates to a wind power plant (4) which consists of a nacelle (12) arranged on a tower (14), a rotor (28), a generator (16), a power converter (20) on the generator side, a power converter (22) on the network side and a transformer (26), the two power converters (20, 22) being electrically connected to each other on the DC voltage side, and the power converter (22) on the network side being connected on the AC voltage side to a feeding point (8) of a destination network (6) by means of the transformer (26).
    Type: Application
    Filed: March 26, 2009
    Publication date: March 3, 2011
    Applicant: Siemens Aktiengesellschaft
    Inventors: Marc Hiller, Norbert Klaassen, Theodor Salzmann, Rainer Sommer