Patents by Inventor Enno Ubben
Enno Ubben has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20150219075Abstract: A method for operating a wind farm is provided. The wind farm includes at least two groups of wind turbines, each of the at least two groups of wind turbines includes at least one wind turbine of the wind farm, each of the wind turbines of the wind farm belonging to one of the at least two groups of wind turbines. The method includes determining a power setpoint for the wind farm, determining a group curtailment setpoint for each of at least two groups of wind turbines, determining a power production value of each of the at least two groups of wind turbines, determining for each of the at least two groups of wind turbines a power reference value using the respective group curtailment setpoint and the respective power production value, determine for each of the at least two groups of wind turbines a group power setpoint which is proportional to the respective power reference values, and operating the at least two groups of wind turbines in accordance with the respective group power setpoint.Type: ApplicationFiled: February 3, 2014Publication date: August 6, 2015Applicant: General Electric CompanyInventors: Mark Edward CARDINAL, Kuruvilla Pallathusseril KURUVILLA, Enno UBBEN
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Patent number: 9046077Abstract: A reactive power controller for controlling reactive power in a wind farm grid connected to a utility grid and including at least two sub-grids and a collector portion is provided. At least one wind turbine is connected to each sub-grid, wherein the at least two sub-grids are connected to the collector portion and wherein the collector portion establishes the connection to the utility grid. The reactive power controller includes a device for determining an actual reactive power value at the collector portion, and a wind farm controller operatively connected to the device for controlling at least one of said wind turbines on basis of the determined actual reactive power value such that a desired reactive power value is attained.Type: GrantFiled: December 28, 2011Date of Patent: June 2, 2015Assignee: General Electric CompanyInventors: Andreas Kirchner, Enno Ubben, Thomas Braam
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Patent number: 8912674Abstract: In one aspect, a method for selecting wind turbine generators in a wind park for a change in output power comprises providing a wind park comprised of a plurality n of wind turbines; selecting, on a non-spatial basis, n?1 or fewer wind turbines from the wind park for a change in power output; and changing power output of one or more of the selected n?1 or fewer wind turbines.Type: GrantFiled: October 15, 2012Date of Patent: December 16, 2014Assignee: General Electric CompanyInventors: Enno Ubben, Joerg Middendorf, Friedrich Loh
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Patent number: 8860237Abstract: In one aspect, a method of selecting wind turbine generators in a wind park for curtailment of output power to provide a wind reserve comprises providing a wind park comprised of a plurality n of wind turbines each having an individual possible power output and the wind park has a combined possible power output of X, where X comprises a summation of the individual possible power output of the n wind turbines; setting a power setpoint Y for the wind park, wherein Y?X and X?Y comprises a wind reserve; selecting, on a non-spatial basis, n?1 or fewer wind turbines from the wind park for power output curtailment; and curtailing power output of one or more of the selected n?1 or fewer wind turbines such that a total power output of the wind park comprises Y.Type: GrantFiled: October 15, 2012Date of Patent: October 14, 2014Assignee: General Electric CompanyInventors: Enno Ubben, Joerg Middendorf, Friedrich Loh
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Patent number: 8744635Abstract: A control system for an energy production facility includes a plant controller for receiving an indication of a measured power output of the energy production facility that includes power generators and produces output signals. The system also includes a processing unit operably coupled to the plant controller and responsive to executable computer instructions when executed on the processing unit cause the plant controller to: create an output signal that causes an energy storage device to discharge in the event power reserves of the power generators can not met the requested ramp down rate; and create an output signal that causes the energy storage device to charge up in the event that the power capability of the power generators can meet the requested ramp down rate.Type: GrantFiled: January 31, 2011Date of Patent: June 3, 2014Assignee: General Electric CompanyInventors: Andreas Kirchner, Enno Ubben
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Publication number: 20140103653Abstract: Methods and systems of selecting wind turbine generators in a wind park for a change in output power are described herein. One method comprises providing a wind park comprised of a plurality n of wind turbines; selecting, on a non-spatial basis, n-1 or fewer wind turbines from the wind park for a change in power output; and changing power output of one or more of the selected n-1 or fewer wind turbines.Type: ApplicationFiled: October 15, 2012Publication date: April 17, 2014Applicant: General Electric CompanyInventors: Enno Ubben, Joerg Middendorf, Friedrich Loh
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Publication number: 20140103652Abstract: Methods and systems of selecting wind turbine generators in a wind park for curtailment of output power to provide a wind reserve are described herein. One method comprises providing a wind park comprised of a plurality n of wind turbines each having an individual possible power output and the wind park has a combined possible power output of X, where X comprises a summation of the individual possible power output of the n wind turbines; setting a power setpoint Y for the wind park, wherein Y?X and X?Y comprises a wind reserve; selecting, on a non-spatial basis, n?1 or fewer wind turbines from the wind park for power output curtailment; and curtailing power output of one or more of the selected n?1 or fewer wind turbines such that a total power output of the wind park comprises Y.Type: ApplicationFiled: October 15, 2012Publication date: April 17, 2014Applicant: General Electric CompanyInventors: Enno Ubben, Joerg Middendorf, Friedrich Loh
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Publication number: 20120136494Abstract: A method of controlling a wind farm is provided. The method includes providing a wind farm grid connected to a utility grid and including at least two sub-grids and a collector portion, wherein at least one wind turbine is connected to each sub-grid, wherein the at least two sub-grids are connected to the collector portion and wherein the collector portion establishes the connection to the utility grid. Electrical power is generated with at least one of said wind turbines and fed to the sub-grid to which the at least one wind turbine is connected. Then an actual reactive power value at the collector portion is determined and at least one of said wind turbines is controlled on basis of the determined actual reactive power value such that a desired reactive power value is attained.Type: ApplicationFiled: December 21, 2011Publication date: May 31, 2012Inventors: Andreas KIRCHNER, Enno Ubben, Thomas Braam
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Patent number: 8185249Abstract: A control system for an energy production facility includes a plant controller for receiving an indication of a measured power output of the energy production facility that includes power generators and produces output signals. The system also includes a processing unit operably coupled to the plant controller and responsive to executable computer instructions when executed on the processing unit cause the plant controller to: create an output signal that causes an energy storage device to discharge in the event power reserves of the power generators can not met the requested ramp down rate; and create an output signal that causes the energy storage device to charge up in the event that the power capability of the power generators can meet the requested ramp down rate.Type: GrantFiled: January 31, 2011Date of Patent: May 22, 2012Assignee: General Electric CompanyInventors: Andreas Kirchner, Enno Ubben
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Patent number: 8175755Abstract: Systems and methods for monitoring power devices that are connecting in a loop to a main power line are provided. A plurality of power devices that are connected in a loop to a power grid line may be provided. The loop may include a plurality of power lines. A disturbance within the plurality of power devices may be identified, and an impact of the identified disturbance on the plurality of power lines may be determined. A power output of one or more of the plurality of power devices may be adjusted based at least in part on the determined impact.Type: GrantFiled: November 18, 2009Date of Patent: May 8, 2012Assignee: General Electric CompanyInventors: Andreas Kirchner, Enno Ubben
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Publication number: 20120101643Abstract: A reactive power controller for controlling reactive power in a wind farm grid connected to a utility grid and including at least two sub-grids and a collector portion is provided. At least one wind turbine is connected to each sub-grid, wherein the at least two sub-grids are connected to the collector portion and wherein the collector portion establishes the connection to the utility grid. The reactive power controller includes a device for determining an actual reactive power value at the collector portion, and a wind farm controller operatively connected to the device for controlling at least one of said wind turbines on basis of the determined actual reactive power value such that a desired reactive power value is attained.Type: ApplicationFiled: December 28, 2011Publication date: April 26, 2012Inventors: Andreas Kirchner, Enno Ubben, Thomas Braam
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Patent number: 8018082Abstract: A power system for a wind turbine having a measurement device configured to detect an overfrequency condition within an electrical system and a controller communicatively coupled to the measurement device. The controller is configured to switch the wind turbine between a power generation mode and a power consumption mode based on an existence of a detected overfrequency condition.Type: GrantFiled: November 25, 2009Date of Patent: September 13, 2011Assignee: General Electric CompanyInventors: Hartmut Scholte-Wassink, Andreas Kirchner, Enno Ubben
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Publication number: 20110156391Abstract: A control system for an energy production facility includes a plant controller for receiving an indication of a measured power output of the energy production facility that includes power generators and produces output signals. The system also includes a processing unit operably coupled to the plant controller and responsive to executable computer instructions when executed on the processing unit cause the plant controller to: create an output signal that causes an energy storage device to discharge in the event power reserves of the power generators can not met the requested ramp down rate; and create an output signal that causes the energy storage device to charge up in the event that the power capability of the power generators can meet the requested ramp down rate.Type: ApplicationFiled: January 31, 2011Publication date: June 30, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Andreas Kirchner, Enno Ubben
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Publication number: 20110125340Abstract: A control system for an energy production facility includes a plant controller for receiving an indication of a measured power output of the energy production facility that includes power generators and produces output signals. The system also includes a processing unit operably coupled to the plant controller and responsive to executable computer instructions when executed on the processing unit cause the plant controller to: create an output signal that causes an energy storage device to discharge in the event power reserves of the power generators can not met the requested ramp down rate; and create an output signal that causes the energy storage device to charge up in the event that the power capability of the power generators can meet the requested ramp down rate.Type: ApplicationFiled: January 31, 2011Publication date: May 26, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Andreas Kirchner, Enno Ubben
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Publication number: 20110118883Abstract: Systems and methods for monitoring power devices that are connecting in a loop to a main power line are provided. A plurality of power devices that are connected in a loop to a power grid line may be provided. The loop may include a plurality of power lines. A disturbance within the plurality of power devices may be identified, and an impact of the identified disturbance on the plurality of power lines may be determined. A power output of one or more of the plurality of power devices may be adjusted based at least in part on the determined impact.Type: ApplicationFiled: November 18, 2009Publication date: May 19, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Andreas Kirchner, Enno Ubben
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Patent number: 7908036Abstract: A control system for an energy production facility includes a plant controller for receiving an indication of a measured power output of the energy production facility that includes power generators and produces output signals. The system also includes a processing unit operably coupled to the plant controller and responsive to executable computer instructions when executed on the processing unit cause the plant controller to: create an output signal that causes an energy storage device to discharge in the event power reserves of the power generators can not met the requested ramp down rate; and create an output signal that causes the energy storage device to charge up in the event that the power capability of the power generators can meet the requested ramp down rate.Type: GrantFiled: October 20, 2009Date of Patent: March 15, 2011Assignee: General Electric CompanyInventors: Andreas Kirchner, Enno Ubben
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Patent number: 7890217Abstract: Certain embodiments of the invention may include systems and methods for controlling power in renewable solar energy sources. According to an example embodiment of the invention, a method is provided for controlling a renewable energy solar farm, where the farm may include one or more renewable energy sources. The method may include measuring aggregate energy output of the renewable energy solar farm and measuring individual source energy output of the one or more renewable energy sources. The method may also include controlling energy production from the one or more renewable energy sources via a controller based at least in part on the measured aggregate energy output and the measured individual source energy output, where the controller facilitates communications with the one or more renewable energy sources.Type: GrantFiled: October 26, 2009Date of Patent: February 15, 2011Assignee: General Electric CompanyInventors: Mark Edward Cardinal, Minesh A. Shah, Andreas Kirchner, Timothy B. Cribbs, Anthony Galbraith, Enno Ubben
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Publication number: 20100140939Abstract: A power system for a wind turbine having a measurement device configured to detect an overfrequency condition within an electrical system and a controller communicatively coupled to the measurement device. The controller is configured to switch the wind turbine between a power generation mode and a power consumption mode based on an existence of a detected overfrequency condition.Type: ApplicationFiled: November 25, 2009Publication date: June 10, 2010Inventors: Hartmut Scholte-Wassink, Andreas Kirchner, Enno Ubben
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Publication number: 20100138058Abstract: A control system for an energy production facility includes a plant controller for receiving an indication of a measured power output of the energy production facility that includes power generators and produces output signals. The system also includes a processing unit operably coupled to the plant controller and responsive to executable computer instructions when executed on the processing unit cause the plant controller to: create an output signal that causes an energy storage device to discharge in the event power reserves of the power generators can not met the requested ramp down rate; and create an output signal that causes the energy storage device to charge up in the event that the power capability of the power generators can meet the requested ramp down rate.Type: ApplicationFiled: October 20, 2009Publication date: June 3, 2010Applicant: GE WIND ENERGY GMBHInventors: Andreas Kirchner, Enno Ubben
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Publication number: 20100114397Abstract: Certain embodiments of the invention may include systems and methods for controlling power in renewable solar energy sources. According to an example embodiment of the invention, a method is provided for controlling a renewable energy solar farm, where the farm may include one or more renewable energy sources. The method may include measuring aggregate energy output of the renewable energy solar farm and measuring individual source energy output of the one or more renewable energy sources. The method may also include controlling energy production from the one or more renewable energy sources via a controller based at least in part on the measured aggregate energy output and the measured individual source energy output, where the controller facilitates communications with the one or more renewable energy sources.Type: ApplicationFiled: October 26, 2009Publication date: May 6, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Mark Edward Cardinal, Minesh A. Shah, Andreas Kirchner, Timothy B. Cribbs, Anthony Galbraith, Enno Ubben