Patents Assigned to Excelsys Technologies Ltd.
  • Patent number: 11750091
    Abstract: This disclosure describes systems, methods, and apparatus for controlling a voltage provided to a plurality of configurable output modules using a resonant converter, the resonant converter comprising: an inverter circuit; a resonant capacitor bridge coupled across the inverter circuit; N groups of output modules, each of the N groups comprising terminals configured for coupling to up to M output modules, the output modules each comprising: a transformer having a primary and a secondary; and a rectified output coupled to the secondary and configured for coupling to a load; and a resonant inductor network configured to be coupled between the resonant capacitor bridge and the primaries of the transformers, the resonant inductor network comprising: at least one parallel inductor; and N parallel branches arranged in parallel and each branch comprising a series inductor, each of the series inductors configured for transformer-coupling to up to M output modules.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: September 5, 2023
    Assignee: Excelsys Technologies Ltd.
    Inventor: Richard Morrison
  • Patent number: 11496056
    Abstract: This disclosure describes systems, methods, and apparatus for driving a plurality of output circuits from a DC input signal using a resonant converter, the resonant converter comprising a switch network, a resonant tank, and a rectifier network, the resonant tank comprising: a resonant capacitor bridge coupled across the switch network; a plurality of branches, each branch comprising at least one series inductor coupled at a first end to the resonant capacitor bridge and at a second end to the rectifier network; and at least one parallel inductor; the rectifier network comprising one or more groups of transformers, each group coupled to one branch of the plurality of branches, and wherein the primary windings of the transformers of each group are coupled in parallel, and wherein the secondary windings are configured for coupling to an output load.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: November 8, 2022
    Assignee: Excelsys Technologies Ltd.
    Inventor: Richard Morrison
  • Patent number: 10972011
    Abstract: The invention provides a series resonant LLC power converter unit to provide a plurality of power outputs. The power converter unit comprises a plurality of transformers arranged such that at least one primary winding of each transformer is connected in parallel and configured to provide a power output. An inductive element is positioned in parallel with a single primary winding selected from said plurality of transformers, wherein the inductive element and single primary winding restricts variation in inductance for said plurality of transformers and power outputs in operation.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: April 6, 2021
    Assignee: Excelsys Technologies Ltd.
    Inventors: Jonathan James Wilkinson, Diarmuid Hogan