Patents by Inventor David Leonard Alston

David Leonard Alston 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).

  • Power transmission systems
    Patent number: 9197069
    Abstract: An offshore wind farm includes a plurality of wind turbines connected to an onshore converter station by means of a distributed power transmission system. The power transmission system includes a series of offshore converter platforms distributed within the wind farm. Each converter platform includes a busbar carrying an ac voltage for the converter platform and to which the wind turbines are connected. Each converter platform also includes one or more converter transformers connected to the busbar and a series of one or more converter modules. The power transmission system includes dc transmission lines which deliver generated power back to the onshore converter station.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: November 24, 2015
    Assignee: GE ENERGY POWER CONVERSION TECHNOLOGY LTD.
    Inventors: David Leonard Alston, Dominic David Banham-Hall
  • POWER TRANSMISSION SYSTEMS
    Publication number: 20140092650
    Abstract: An offshore wind farm includes a plurality of wind turbines connected to an onshore converter station by means of a distributed power transmission system. The power transmission system includes a series of offshore converter platforms distributed within the wind farm. Each converter platform includes a busbar carrying an ac voltage for the converter platform and to which the wind turbines are connected. Each converter platform also includes one or more converter transformers connected to the busbar and a series of one or more converter modules. The power transmission system includes dc transmission lines which deliver generated power back to the onshore converter station.
    Type: Application
    Filed: September 27, 2013
    Publication date: April 3, 2014
    Applicant: GE Energy Power Conversion Technology Ltd
    Inventors: David Leonard Alston, Dominic David Banham-Hall