MUMBAI, India, June 13 -- Intellectual Property India has published a patent application (202517049990 A) filed by General Electric Renovables Espana S. L., Barcelona, Spain, on May 23, for 'system and method for operating an inverter-based resource in grid-forming mode (gfm) for enhanced stability during a transient grid power event.'
Inventor(s) include Holliday, Cornelius Edward, III; Basak, Rupam; Tiwari, Arvind Kumar; Padmarao, Veena; Roy, Rabisankar; and Howard, Dustin F.
The application for the patent was published on June 13, under issue no. 24/2025.
According to the abstract released by the Intellectual Property India: "A method for operation of a renewable energy source having an inverter-based resource (IBR) system connected to a power grid includes: operating the IBR system as a virtual synchronous machine (VSM) in grid-forming mode (GFM) control; deriving a power error signal (Perr) between a real power output (Pfbk) from the IBR system and a power reference (Pref); with an inertial power regulator having an integral characteristic, using the power error signal (Perr) to generate an internal frequency signal (?1) that is used to generate a phase shift signal (dIT) applied to a power angle command signal used by an inverter controller in the IBR system; and generating, via a control function having at least one of a proportional, derivative, or washout characteristic, a compensation signal based on the power error signal (Perr) that is used to modify either the internal frequency signal (?1) or the phase shift signal (dIT)."
The patent application was internationally filed on Nov. 30, 2022, under International application No.PCT/US2022/051350.
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