Patents by Inventor Zhenmiao YANG

Zhenmiao YANG 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).

  • Method and device for locating equipment-level oscillation sources of DFIG grid-connected system
    Patent number: 11340274
    Abstract: The application relates to a method and device for locating equipment-level oscillation sources of DFIG grid-connected system, which belongs to the technical field of wind generation, and solves the problem of stable operation of the wind power grid-connected system at the current stage. The method comprises: constructing the energy correlation topology network of the components in DFIG; analyzing the dynamic energy flows between the components during the oscillation process; calculating magnitudes of the causality between the dynamic energy flows; building a causality diagram of oscillation transmission in the DFIG; analyzing the distribution of the magnitude of the causality in the diagram, determining the oscillation transmission routes and locating the oscillation sources.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: May 24, 2022
    Inventors: Jing Ma, Min Zhang, Yi Zhou, Zhenmiao Yang
  • METHOD, SYSTEM AND STORAGE MEDIUM FOR SUPPRESSING SUB/SUPER-SYNCHRONOUS OSCILLATION FOR DIRECT-DRIVE WIND TURBINE BASED ON ENERGY COMPENSATION
    Publication number: 20220021211
    Abstract: The disclosure relates to a method, system and storage medium for suppressing sub/super-synchronous oscillation for direct-drive wind turbine based on energy compensation.
    Type: Application
    Filed: July 9, 2021
    Publication date: January 20, 2022
    Applicant: NORTH CHINA ELECTRIC POWER UNIVERSITY
    Inventors: Jing MA, Min ZHANG, Zhenmiao YANG, Jiaming ZHANG
  • METHOD AND DEVICE FOR POSITIONING EQUIPMENT-LEVEL OSCILLATION SOURCES OF DFIG GRID-CONNECTED SYSTEM
    Publication number: 20210033650
    Abstract: The application relates to a method and device for positioning equipment-level oscillation sources of DFIG grid-connected system, which belongs to the technical field of wind generation, and solves the problem of stable operation of the wind power grid-connected system at the current stage. The method comprises: constructing the energy correlation topology network of the components in DFIG; analyzing the dynamic energy flows between the components during the oscillation process; calculating magnitudes of the causality between the dynamic energy flows; building a causality diagram of oscillation transmission in the DFIG; analyzing the distribution of the magnitude of the causality in the diagram, determining the oscillation transmission routes and locating the oscillation sources.
    Type: Application
    Filed: July 24, 2020
    Publication date: February 4, 2021
    Inventors: Jing MA, Min ZHANG, Yi ZHOU, Zhenmiao YANG