Patents by Inventor Kyungsue KIM

Kyungsue KIM 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 controlling synchronous switch change in medium voltage inverter
    Patent number: 9331611
    Abstract: A method for controlling synchronous switching in a medium voltage inverter is disclosed. The method includes lighting on a first lamp to notify that a switching operation is ready by ascertaining that the medium voltage inverter is in a normal operation, lighting on a second lamp to notify that a switching operation is under way when receiving an input of switching action, and lighting on a third lamp to notify that the switching operation is completed when the switching action is completed.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: May 3, 2016
    Assignee: LSIS CO., LTD.
    Inventor: Kyungsue Kim
  • METHOD FOR CONTROLLING SYNCHRONOUS SWITCH CHANGE IN MEDIUM VOLTAGE INVERTER
    Publication number: 20150188460
    Abstract: A method for controlling synchronous switching in a medium voltage inverter is disclosed. The method includes lighting on a first lamp to notify that a switching operation is ready by ascertaining that the medium voltage inverter is in a normal operation, lighting on a second lamp to notify that a switching operation is under way when receiving an input of switching action, and lighting on a third lamp to notify that the switching operation is completed when the switching action is completed.
    Type: Application
    Filed: December 15, 2014
    Publication date: July 2, 2015
    Applicant: LSIS CO., LTD.
    Inventor: Kyungsue KIM
  • MEDIUM VOLTAGE INVERTER SYSTEM
    Publication number: 20120249045
    Abstract: A medium voltage inverter system is disclosed, the system including a coupled reactor magnetically connecting first and second reactors each connected to an output of first and second medium voltage inverters for driving a motor.
    Type: Application
    Filed: March 1, 2012
    Publication date: October 4, 2012
    Applicant: LSIS CO., LTD.
    Inventor: Kyungsue KIM