1
Patrick S Flannery, Venkata Giri Venkataramanan: Power conditioning architecture for a wind turbine. Wisconsin Alumni Research Foundation, Boyle Fredrickson S C, April 5, 2011: US07919879 (11 worldwide citation)

A wind turbine 36 has a back-to-back AC/DC/AC power electronic converter chain in which the grid side converter 48 is connected in series with DFIG stator windings 64. The machine side converter 56 is fed from the rotor windings 54 of the DFIG 44. Series connection of the grid side converter 48 enab ...


2
Andrew Specht, John R Brubaker, Mark D Putnam, Douglas C Folts, David G Oteman, Patrick S Flannery: Multi-level cascaded H-bridge STATCOM circulating cooling fluid within enclosure. American Superconductor Corporation, Verrill Dana, John W Powell, January 29, 2019: US10193340

A static synchronous compensator configured to be installed in and provide reactive power to a medium voltage electric distribution system. There is a multi-level cascaded H-bridge (CHB) converter in an enclosure, having a nominal operating voltage in the medium voltage range. There is a first elect ...


3
Patrick S Flannery: Switching scheme for static synchronous compensators using cascaded H-bridge converters. American Superconductor Corporation, Verrill Dana, John W Powell, September 18, 2018: US10079558

A static synchronous compensator includes at least one converter pole for producing a first phase of an AC voltage waveform having a fundamental cycle. The first phase of the AC voltage waveform includes alternating converter pole charging and discharging regions in each fundamental cycle. The at le ...


4
Patrick S Flannery, David G Oteman, Matthew W Tilstra, Gary Steven Parnes: Power converter with dual ring network control. American Superconductor Corporation, Occhiuti Rohlicek & Tsao, February 21, 2012: US08120935

A method for providing electric power to a power system includes receiving, at a slave node of a power converter having a plurality of slave nodes, a first synchronization signal via a first communication channel, the first synchronization signal purporting to represent a master timing characteristi ...


5
Patrick S Flannery, Venkata Giri Venkataramanan: Power conditioning architecture for a wind turbine. Boyle Fredrickson Sc, December 6, 2007: US20070278797-A1

A wind turbine 36 has a back-to-back AC/DC/AC power electronic converter chain in which the grid side converter 48 is connected in series with DFIG stator windings 64. The machine side converter 56 is fed from the rotor windings 54 of the DFIG 44. Series connection of the grid side converter 48 enab ...


6
Patrick S Flannery, David G Oteman, Matthew W Tilstra, Gary Steven Parnes: Power converter with dual ring network control. American Superconductor Corporation, November 3, 2011: US20110267854-A1

A method for providing electric power to a power system includes receiving, at a slave node of a power converter having a plurality of slave nodes, a first synchronization signal via a first communication channel, the first synchronization signal purporting to represent a master timing characteristi ...