Patents Assigned to TransGrid
  • Multi-level voltage sourced converter
    Patent number: 10958190
    Abstract: A voltage sourced converter for converting power from DC to AC features a chain of power electronic modules in between which each AC connection of the converter is made so as to form a series string or arm of the modules on at least one side of that connection to the chain which are controlled so as to produce at this connection an AC voltage waveform.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: March 23, 2021
    Assignee: TransGrid Solutions Inc.
    Inventor: Mojtaba Mohaddes Khorassani
  • Partial discharge monitoring system for transformers
    Patent number: 6774639
    Abstract: An apparatus for detecting partial discharge in on-line high voltage electrical equipment containing a dielectric, such as high voltage transformers. The apparatus includes an ultrasonic transducer and an annular capacitive plate for detecting, respectively, the ultrasonic pulse and the radio frequency pulse generated by the occurrence of partial discharge in the equipment.
    Type: Grant
    Filed: July 10, 2002
    Date of Patent: August 10, 2004
    Assignees: TransGrid, University of Technology, Syndey
    Inventor: Joseph Unsworth