1
Robert William Delmerico, Nicholas Wright Miller: System and method for utility and wind turbine control. General Electric Company, Ann M Agosti, Patrick K Patnode, March 18, 2008: US07345373 (38 worldwide citation)

An exemplary embodiment includes a wind turbine system. The wind turbine system includes a wind turbine generator operable to supply wind turbine power to a utility system. A converter is coupled to the wind turbine generator and the utility system. The wind turbine system also includes a controller ...


2
Robert William Delmerico, Mark Edward Cardinal, Kirk Gee Pierce: System and method for operating a wind farm under high wind speed conditions. General Electric Company, Fletcher Yoder, November 20, 2007: US07298059 (37 worldwide citation)

A system and method of operating a wind farm, having multiple wind turbine generators, at high wind speeds is provided. Wind speeds at individual wind turbine generators are monitored and a signal is transmitted from the wind turbine generators to a wind farm control system based on the monitored wi ...


3
Ralph Teichmann, Changyong Wang, Robert William Delmerico, Zhuohui Tan, Robert Roesner, Renchang Dai: Protective circuit and method for multi-level converter. General Electric Company, Ann M Agosti, August 11, 2009: US07573732 (37 worldwide citation)

A protective circuit for a multi-level converter including a DC link capacitor bank includes: an energy absorbing element; switches, wherein at least two of the switches each couple the energy absorbing element to the capacitor bank; and a controller configured to provide control signals to the swit ...


4
Haiqing Weng, Robert William Delmerico, Xiaoming Yuan, Changyong Wang: System and method of operating double fed induction generators. General Electric Company, Ann M Agosti, Patrick K Patnode, August 7, 2007: US07253537 (35 worldwide citation)

A protection system and a protection method are provided for protecting a double fed induction generator and a gearbox during a grid fault. The protection system includes a plurality of controlled impedance devices. Each of the controlled impedance devices is coupled between a respective phase of a ...


5
Nicholas Wright Miller, Einar Larsen, Robert William Delmerico: Methods and apparatus for controlling current in an electrical machine. General Electric Company, Armstrong Teasdale, August 26, 2008: US07417333 (25 worldwide citation)

A method for determining electric currents for an electrical machine includes generating a first real power current demand signal and a first reactive power current demand signal. The method also includes determining at least one of a second real power current demand signal and a second reactive pow ...


6
Christian Schram, Henning Luetze, Andreas Buecker, Andre Riesberg, Robert William Delmerico: Method and apparatus for controlling rotary machines. General Electric Company, James McGinness Esq, Armstrong Teasdale, February 2, 2010: US07656135 (21 worldwide citation)

A wind turbine generator includes at least one rotating member, at least one stationary member, and a clearance gap control system. The stationary member is positioned such that a clearance gap is defined between a portion of the rotating member and a portion of the stationary member. The clearance ...


7
Robert William Delmerico, Nicholas Wright Miller: System and method for utility and wind turbine control. General Electric Company, Ann M Agosti, July 20, 2010: US07761190 (17 worldwide citation)

An exemplary embodiment includes a wind turbine system. The wind turbine system includes a wind turbine generator operable to supply wind turbine power to a utility system. A converter is coupled to the wind turbine generator and the utility system. The wind turbine system also includes a controller ...


8
Robert William Delmerico, Mark Edward Cardinal, Kirk Gee Pierce: Wind farm power ramp rate control system and method. General Electric Company, Fletcher Yoder, March 16, 2010: US07679215 (17 worldwide citation)

A system and method for controlling power ramp rate of a wind farm is provided. The wind farm includes a plurality of wind turbine generators and a wind farm control system. The wind farm control system is operable to monitor rate of change of collective power output of the wind turbine generators, ...


9
Rajni Kant Burra, Robert William Delmerico, Ralph Teichmann, Abhitap Jain, Mark Shu: Wind turbine energy storage and frequency control. General Electric Company, Ann M Agosti, May 31, 2011: US07952232 (16 worldwide citation)

Commands are generated for controlling a state of charge of an energy storage device coupled between an energy source and an auxiliary load. Commands are also generated for providing from the energy storage device to the auxiliary load and for using power from the energy storage device for controlli ...


10
Xiaoming Yuan, Allen Michael Ritter, Haiqing Weng, Robert William Delmerico: System and method for control of a grid connected power generating system. General Electric Company, Ann M Agosti, September 28, 2010: US07804184 (14 worldwide citation)

A system for controlling a grid connected power generating system is provided. The system includes a wind turbine, a converter, a first controller and a second controller. The wind turbine supplies electrical power to a power grid and the converter couples the wind turbine to the power grid. The fir ...



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