Patents by Inventor Filippo LALLI

Filippo LALLI 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 for detecting islanding condition for a DC/AC converter apparatus and a DC/AC converter apparatus thereof
    Patent number: 10892623
    Abstract: A method for detecting an islanding condition of a grid connected energy conversion system and related DC/AC converter apparatus to optimize performance in terms of preservation of the power quality, provide synchronized frequency perturbation for all the inverters of a plant, provide shut down capability within the time requested by utilities and safety standards and provide immunity to grid frequency fluctuations.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: January 12, 2021
    Assignee: ABB Schweiz AG
    Inventors: Alessandro Guerriero, Filippo Lalli, Silvio Scaletti, Tiberio Bucci
  • METHOD FOR DETECTING ISLANDING CONDITION FOR A DC/AC CONVERTER APPARATUS AND A DC/AC CONVERTER APPARATUS THEREOF
    Publication number: 20200127462
    Abstract: A method for detecting an islanding condition of a grid connected energy conversion system and related DC/AC converter apparatus to optimize performance in terms of preservation of the power quality, provide synchronized frequency perturbation for all the inverters of a plant, provide shut down capability within the time requested by utilities and safety standards and provide immunity to grid frequency fluctuations.
    Type: Application
    Filed: December 15, 2016
    Publication date: April 23, 2020
    Applicant: ABB Schweiz AG
    Inventors: Alessandro GUERRIERO, Filippo LALLI, Silvio SCALETTI, Tiberio BUCCI