Patents by Inventor Tai Ying ZHENG

Tai Ying ZHENG 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).

  • Patent number: 8587142
    Abstract: The present invention relates to a method and system for controlling a wind farm when a ramp up or ramp down rate of the wind farm does not satisfy a grid-code or corresponding criteria due to an abrupt change in wind speed. The method and system for controlling a wind farm includes the steps of measuring speed and direction of wind performed outside the wind farm, sequentially controlling wind turbines if the wind speed abruptly changes considering a time for the wind to arrive at the wind turbines, determining the number of wind turbines to be controlled simultaneously so that the wind farm may satisfy the grid-code at this point, grouping the wind turbines, determining a control sequence and a control time of each group, and adjusting a control end time if stopping times of adjacent groups are overlapped when the wind turbines are stopped.
    Type: Grant
    Filed: September 3, 2011
    Date of Patent: November 19, 2013
    Assignee: Industrial Cooperation Foundation Chonbuk National University
    Inventors: Yong Cheol Kang, Yeon Hee Kim, Tai Ying Zheng
  • Publication number: 20120200086
    Abstract: The present invention relates to a method and system for controlling a wind farm when a ramp up or ramp down rate of the wind farm does not satisfy a grid-code or corresponding criteria due to an abrupt change in wind speed. The method and system for controlling a wind farm includes the steps of measuring speed and direction of wind performed outside the wind farm, sequentially controlling wind turbines if the wind speed abruptly changes considering a time for the wind to arrive at the wind turbines, determining the number of wind turbines to be controlled simultaneously so that the wind farm may satisfy the grid-code at this point, grouping the wind turbines, determining a control sequence and a control time of each group, and adjusting a control end time if stopping times of adjacent groups are overlapped when the wind turbines are stopped.
    Type: Application
    Filed: September 3, 2011
    Publication date: August 9, 2012
    Applicant: INDUSTRIAL COOPERATION FOUNDATION CHONBUK NATIONAL UNIVERSITY
    Inventors: Yong Cheol KANG, Yeon Hee KIM, Tai Ying ZHENG