Patents Assigned to FALCO Ltd.
  • Publication number: 20090237066
    Abstract: An impedance-compensated current transformer comprising a primary winding, a power source electrically coupled through the primary winding; a secondary winding magnetically coupled to the first primary winding, the secondary winding having a secondary winding impedance and a secondary winding resistance; and an impedance-compensation circuit electrically coupled across the secondary winding; wherein the impedance-compensation circuit actively reflects to the secondary winding a virtual impedance which is equal in magnitude and opposite in polarity to the secondary winding impedance.
    Type: Application
    Filed: March 17, 2009
    Publication date: September 24, 2009
    Applicant: FALCO Ltd.
    Inventor: UMBERTO GIBELLINI
  • Patent number: 7525297
    Abstract: An impedance-compensated current transformer comprising a primary winding, a power source electrically coupled through the primary winding; a secondary winding magnetically coupled to the first primary winding, the secondary winding having a secondary winding impedance and a secondary winding resistance; and an impedance-compensation circuit electrically coupled across the secondary winding; wherein the impedance-compensation circuit actively reflects to the secondary winding a virtual impedance which is equal in magnitude and opposite in polarity to the secondary winding impedance.
    Type: Grant
    Filed: December 1, 2005
    Date of Patent: April 28, 2009
    Assignee: FALCO Ltd.
    Inventor: Umberto Gibellini