Patents by Inventor Simo Häkli

Simo Häkli 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 pulse-width modulation of a power converter and a power converter
    Patent number: 11159099
    Abstract: A method for pulse-width modulation of a power converter (10) and a power converter (10) are presented. The method comprises determining (110) a modulation index, selecting (120), based on the modulation index, a modulation technique from a plurality of pre-deter-mined modulation techniques, and modulating (130) an output (16) of the power converter (10) by utilizing the selected modulation technique.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: October 26, 2021
    Assignee: Vacon Oy
    Inventors: Nicklas Södö, Oskari Leppäaho, Simo Häkli
  • METHOD FOR PULSE-WIDTH MODULATION OF A POWER CONVERTER AND A POWER CONVERTER
    Publication number: 20210083598
    Abstract: A method for pulse-width modulation of a power converter (10) and a power converter (10) are presented. The method comprises determining (110) a modulation index, selecting (120), based on the modulation index, a modulation technique from a plurality of pre-determined modulation techniques, and modulating (130) an output (16) of the power converter (10) by utilizing the selected modulation technique.
    Type: Application
    Filed: March 21, 2018
    Publication date: March 18, 2021
    Inventors: Nicklas Södö, Oskari Leppäaho, Simo Häkli
  • MOTOR DRIVE ADAPTATION
    Publication number: 20200136544
    Abstract: A method and apparatus for the adaptation of a motor drive system is described. The method includes applying a small signal frequency sweep to a motor drive system wherein the motor drive system includes an inverter, an output filter (e.g. a sine filter) and a motor, acquiring frequency response data in response to said frequency sweep and setting parameters of the motor drive system depending on the acquired frequency response data.
    Type: Application
    Filed: July 27, 2017
    Publication date: April 30, 2020
    Inventors: Simo Häkli Häkli, Nicklas Södö