1
Raymond Albert Fillion, Barry Scott Whitmore, Charles Steven Korman, Albert Andreas Maria Esser: Power overlay chip scale packages for discrete power devices. General Electric Company, October 23, 2001: US06306680 (136 worldwide citation)

A power semiconductor device package includes at least one power semiconductor device mounted onto at least one electrically and thermally conductive spacer having an upper end surface bonded to a back surface of the device; a substrate of hardened substrate molding material surrounding the semicond ...


2
James Patrick Lyons, Albert Andreas Maria Esser, Paul Scott Bixel: Method and system for wind turbine braking. General Electric Company, Ann M Agosti, Marvin Snyder, May 25, 1999: US05907192 (100 worldwide citation)

Stored rotational energy in an operating variable speed wind turbine is used to pitch blades and brake the wind turbine in the event of utility power grid failure. In one embodiment, a generator IGBT converter and the main power utility grid IGBT converter supply control and pitch servo power during ...


3
Albert Andreas Maria Esser: Bidirectional buck boost converter. General Electric Company, Marvin Snyder, March 31, 1998: US05734258 (83 worldwide citation)

A bidirectional buck boost converter and method of operating the same allows regulation of power flow between first and second voltage sources in which the voltage level at each source is subject to change and power flow is independent of relative voltage levels. In one embodiment, the converter is ...


4
James Patrick Lyons, Vlatko Vlatkovic, Paul Martin Espelage, Albert Andreas Maria Esser, Yifan Zhao, Fei Fred Wang Sr: Five level high power motor drive converter and control system. General Electric Company, Ann M Agosti, Jill M Breedlove, May 2, 2000: US06058031 (73 worldwide citation)

A high power motor drive converter includes: a five level hybrid NPC output power conversion stage including three NPC phase bridges having switches and coupled in a wye configuration through a converter neutral point, each NPC phase bridge receiving power on a respective direct current bus; three i ...


5
William James Premerlani, David Jeremiah Hoeweler, Albert Andreas Maria Esser, James Patrick Lyons, Gerald Burt Kliman, Rudolph Alfred Albert Koegl, Mark Gerald Adamiak: Method and apparatus for compensation of phasor estimations. General Electric Company, Ann M Agosti, Jill M Breedlove, October 31, 2000: US06141196 (44 worldwide citation)

A method for obtaining a power system phasor includes sampling a power system signal at instants determined by a nominal power system frequency to provide a plurality of data samples; using the data samples to estimate a phasor having an elliptical trajectory; generating a deviation formula represen ...


6
James Patrick Lyons, Vlatko Vlatkovic, Paul Martin Espelage, Albert Andreas Maria Esser: High power motor drive converter system and modulation control. General Electric Company, Ann M Agosti, Marvin Snyder, June 8, 1999: US05910892 (40 worldwide citation)

A high power motor drive converter includes a three level neutral point clamped (NPC) output power conversion stage including switches; a split series connected DC capacitor bank coupled in parallel with the NPC output power conversion stage; and a controller for selecting switch positions for contr ...


7
Albert Andreas Maria Esser, James Patrick Lyons, Lyle Thomas Keister, Steven Wade Sutherland, Melvin La Vern Hughes, Howard Ross Edmunds, Stephen Daniel Nash, Paul Stephen Pate, Patrick Henry McGinn, Conrad Angelo Pecile: Temperature control of electronic components. General Electric Company, Ann M Agosti, Jill M Breedlove, March 28, 2000: US06041850 (35 worldwide citation)

A system for temperature control of an electronic component includes a heat plate supporting the component; a heat plate temperature sensor; a fan capable of providing air for cooling the heat plate; and a fan control for using the heat plate temperature to control the operation of the fan to provid ...


8
Albert Andreas Maria Esser, Lee Burton Silverthorn, Lyle Thomas Keister: Gate voltage modulation for transistor fault conditions. General Electric Company, Ann M Agosti, Marvin Snyder, November 18, 1997: US05689394 (16 worldwide citation)

A power device control system includes a power device having an input gate and first and second output terminals, a controller, and a gate driver for supplying current to the input gate of the power device, comparing a voltage difference between the first and second output terminals, and providing a ...


9
Albert Andreas Maria Esser, Paul Michael Szczesny, Jeffrey Joseph Nasadoski, Robert Joseph Bastian, Peter Claudius Sanza: Active damping control for active power filter. General Electric Company, Ann M Agosti, Marvin Snyder, November 25, 1997: US05691626 (5 worldwide citation)

An active damping control device for an active power filter includes a filter circuit having an inductor and a capacitor for suppressing noise in the active power filter; a first current sensor for sensing a three phase capacitor current of the filter capacitor; a second current sensor for detecting ...


10
Gerald Burt Kliman, Albert Andreas Maria Esser: Method and fixture for evaluating stator core quality in production. General Electric Company, Marvin Snyder, Douglas E Stoner, September 19, 2000: US06121788 (4 worldwide citation)

A fixture to evaluate stator production quality is placed about a stator core so as to introduce a test winding about the stator without need for hand winding. The fixture includes an inner annulus and an outer annulus each with axial conductors thereon, and top and bottom plates each with conductor ...