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| Number | Title | Issue Date |
| 8190299 | Integrated and optimized distributed generation and interconnect system controller Systems and methods for designing and controlling distributed generation resources are disclosed. Monolithic or distributed controllers control the power requests sent to each distributed generation resource to achieve optimal efficiency using rule-based and/or fuzz... | 05/29/2012 |
| 8190300 | Method for the operation of a wind farm A method for the operation of a wind farm having two or more wind energy plants, which has a farm control which presets a desired value for an electric variable of the wind farm which has to be generated, wherein the farm control calculates an average increase of th... | 05/29/2012 |
| 8185249 | Wind farm power production control system 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 ... | 05/22/2012 |
| 8180498 | System and method for monitoring and controlling a wind turbine farm A system and method for operating a plurality of wind turbines includes a supervisory control and data acquisition (SCADA) system and a display for depicting a graphical output of information from the SCADA system. The SCADA system analyzes the information and trans... | 05/15/2012 |
| 8131402 | System for detecting proximity between a wind turbine blade and a tower wall A sensor system monitors deflection of turbine blades of a wind turbine. The system includes a first component configured on the turbine blades. A second component is configured on the tower at a height so as to detect the presence of the first component as the blad... | 03/06/2012 |
| 8121739 | Reactive power management for wind power plant internal grid A wind power plant comprising a plurality of wind turbine converters coupled to a High Voltage Direct Current (HVDC) converter via an internal grid and a power plant controller. The power plant controller is configured to monitor a voltage of the internal grid, and ... | 02/21/2012 |
| 8121738 | Method and apparatus for controlling wind turbine electric power generation A method of controlling a wind turbine farm includes programming at least one algorithm within at least one processor. The wind turbine farm has at least one wind turbine that includes a generator. The at least one algorithm is representative of a relationship betwe... | 02/21/2012 |
| 8116914 | Wind turbine and operating method thereof A pitch controller, uninterruptible power supply, and rotational speed detector are disposed in the rotor in a wind turbine. When a slip ring failure or wire breakage occurs, the pitch controller internally creates a pitch angle command so as to control the pitch an... | 02/14/2012 |
| 8095244 | Intelligent active power management system for renewable variable power generation A method and system for intelligently directing output boost capabilities of wind turbine generators operating together in a wind plant has been provided. Selected ones of the wind turbine generators have their own individual boost modes of operation that can provid... | 01/10/2012 |
| 8041466 | Method for operating a wind turbine connected to a utility grid during a utility disturbance, wind turbine and wind park The invention relates to a method for operating a wind turbine connected to a utility grid during a utility grid disturbance. The method comprises the steps of controlling active current in dependency of the frequency deviation from a reference frequency, and contro... | 10/18/2011 |
| 8041465 | Voltage control at windfarms A voltage control arrangement for a system of multiple windfarms with transmission lines. Voltage is regulated at a point of regulation on the system, such as a high voltage substation or other system bus. Regulation is achieved at the point of regulation by sensing... | 10/18/2011 |
| 8005575 | Methods and apparatus for model predictive control in a real time controller Methods and apparatus for controlling load on a machine are provided. The method includes determining a maximum value of a process variable using a predictive model of the machine while holding a control output associated with the process variable substantially cons... | 08/23/2011 |
| 7966101 | Method and system for controlling stability of electric power system The phase and time information of a voltage at a power supply outlet is detected at points, and sent to a data server. With one end of a system used as a phase angle reference, the data server observes phase differences at another end, and at a center. The data serv... | 06/21/2011 |
| 7966102 | Method and system for power plant block loading Block loading may occur during the process of restoring an electrical grid after a blackout. A method and system for coordinating the loading of a combined cycle power plant to support block loading is provided. The power plant may include a gas turbine and a steam ... | 06/21/2011 |
| 7962246 | Method and apparatus for operating a wind turbine during a loss of communication A method for operating a wind turbine during a loss of communication is described that includes coupling a pitch controller to at least one wind turbine blade and to a wind turbine controller, establishing communication between the pitch controller and the wind turb... | 06/14/2011 |
| 7949434 | Method for controlling a wind energy park The present invention is related to a method for controlling a wind energy park with plural wind energy plants and plural control units, which perform control tasks in the wind energy park, comprising the following steps: a) one priority at a time is as... | 05/24/2011 |
| 7945351 | Method for controlling the operation of a wind turbine based on deviation between operating and predetermined frequency response functions A method for controlling the operation of a wind turbine includes determining a first measure of a mechanical input of a component of the wind turbine, and concurrently, determining a second measure of a mechanical output of the component, determining an operating f... | 05/17/2011 |
| 7941246 | Automatic generation control augmentation for wind plant integration An automatic generation control (AGC) augmentation system and method for wind power plant integration for controlling the power contribution to a grid by the wind plant is disclosed that provides for the calculation of the area control error (ACE) by actively commun... | 05/10/2011 |
| 7908036 | Power production control system and method 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 ... | 03/15/2011 |
| 7848854 | Prime mover output control system A prime mover control system is provided that can prevent magnification of power fluctuation, included in a feedback signal, that occurs between a generator and a power system, and that enables stable operation of the prime mover to continue, without disturbing the ... | 12/07/2010 |
| 7822512 | Methods and systems for providing real-time comparison with an alternate control strategy for a turbine A method for controlling and modeling a turbine is provided. The method may include modeling the turbine by a primary adaptive turbine model that includes at least one primary operating parameter and modeling the turbine by an alternate adaptive turbine model that i... | 10/26/2010 |
| 7805222 | Method for the determination of a control reserve and wind energy plant with a control unit for the determination of the control reserve A method for the determination of a control reserve of one or plural wind energy plants, for the operation of which a desired value for at least one electric variable is preset, and for which a control unit is provided which has a power curve, which contains a maxim... | 09/28/2010 |
| 7787996 | Determining optimal turbine operating temperature based on creep rate data and predicted revenue data A method of operating a turbine, the method including the steps of: 1) gathering measured creep data for a blade while the turbine operates at different operating temperatures, the measured creep data comprising at least a measured creep rate for the blade (wherein ... | 08/31/2010 |
| 7747355 | Electrical power generator with adaptive coupling A method of coupling a mechanical power source through an electrical power generator to an electrical load is disclosed. A characteristic of an electrical output is measured from the electrical power generator produced during a power generation cycle during which th... | 06/29/2010 |
| 7715950 | Non-inverter based distributed energy resource for use in a dynamic distribution system A microsource is provided, which includes a generator, a prime mover, and a controller. The prime mover includes a shaft connected to drive the generator to generate power at a frequency controlled by a rotation rate of the shaft. The controller calculates an operat... | 05/11/2010 |
| 7664577 | Control apparatus capable of economically and reliably controlling electric generator According to the present invention, a control apparatus for an electric generator includes a power generation cost determiner determining a power generation cost of the generator, a threshold determiner determining a threshold of power generation cost as a function ... | 02/16/2010 |
| 7606638 | Wind park with robust reactive power adjustment system and method for the operation thereof A windpark includes at least two wind energy installations, each of which installations comprises a rotor, a generator driven by the rotor and a control device, and which are connected via connecting lines to a main line. The windpark also includes a linking point w... | 10/20/2009 |
| 7603202 | Method for optimizing the operation of wind farms A method for optimizing the operation of wind energy installations includes operating target and reference wind energy installations to optimize the target installation first using a first set of operating parameters and then using a second set of operating paramete... | 10/13/2009 |
| 7599760 | Online configurable control system for fuel cells A fuel cell system control system includes a fuel cell system and a controller. The controller includes a display and a processor configured to execute a program for managing an operation of a fuel cell state machine having a plurality of states and capable of execu... | 10/06/2009 |
| 7522976 | Method for adapting a wind energy installation to given wind conditions A method for operating a wind energy installation, in particular for adapting a wind energy installation (10) to given wind conditions, the wind energy installation (10) having a rotor (16), which can be driven by wind, with at least two rotor b... | 04/21/2009 |
| 7502668 | Generator controller A generator controller, in its various embodiments, displays genset fault messages, a genset elapsed time hour meter, service countdown reminder, monitors battery voltage changes over multiple periods of time to establish and display the “battery level,” uses th... | 03/10/2009 |
| 7489988 | Generator control system, generating apparatus control method, program and record medium In the case where a user changes a set state of apparatuses, an apparatus operation control portion repressively controls the apparatuses, in spite of an instruction of a control signal according to that change, so that an increasing amount of power consumption of t... | 02/10/2009 |
| 7457688 | Method and system for detection and transfer to electrical island operation A method for transient fuel control for fuel delivery circuits for a plurality of connected gas turbines, the method includes: detecting a transient grid event based on an indication of at least one of a rapid change in a fuel command to the gas turbine or an accele... | 11/25/2008 |
| 7424360 | Overspeed control system for gas turbine electric powerplant A turbine overspeed control system for use with a gas turbine engine of a gas turbine electrical powerplant. The overspeed control system preferably comprises a first and second overspeed control subsystem. When an overspeed condition of the gas turbine engine is de... | 09/09/2008 |
| 7418315 | Power generation system A power generation system (200) of the present invention comprises a power generation portion (202) configured to generate power, a load power detecting means (205) configured to detect a load power supplied from a power source including the pow... | 08/26/2008 |
| 7392114 | Method for operating a wind park A wind park system is disclosed. Briefly described, one embodiment includes at least one wind power installation having a rotor; an electrical generator drivable by the rotor, such that the electrical generator is operable to deliver electrical power to an electrica... | 06/24/2008 |
| 7369932 | System and method for turbine engine fault detection using discrete event system modeling A system and method is provided for fault detection in a turbine engine. The fault detection system and method uses discrete event system modeling to provide improved fault diagnosis and prognosis. The fault detection system and method receives sensor taken at multi... | 05/06/2008 |
| 7359808 | Fuel cell evaluation method and fuel cell evaluation apparatus A fuel cell evaluation apparatus of the present invention is provided with a fuel cell for generating electricity using fuel gas and oxidizer gas; a fuel gas supplying section for supplying the fuel gas; an oxidizer gas supplying section for supplying the oxidizer g... | 04/15/2008 |
| 7356383 | Methods and apparatus for optimizing combined cycle/combined process facilities Methods and systems for operating combined cycle electrical generating plants is provided. The method includes simulating the electrical power plant performance, simulating the steam utilizing process plant performance, parameterizing plant equipment and plant perfo... | 04/08/2008 |
| 7353084 | Generator controller A generator controller, in its various embodiments, displays genset fault messages, a genset elapsed time hour meter, service countdown reminder, monitors battery voltage changes over multiple periods of time to establish and display the “battery level,” uses th... | 04/01/2008 |
