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8183714 |
Electric power distribution methods and apparatus
A plurality of end-user locations are served by a commercial utility grid. More than one and less than all of the end-user locations are themselves interconnected by a feeder, the feeder not...
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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...
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8185214 |
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...
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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...
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8180499 |
Power supply system
In a power supply system (10) having a cogeneration unit (12) equipped with an internal combustion engine (12a) and a generator (12b) to generate power to be supplied to a power destination and hot...
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8169097 |
Method for operating a wind energy installation
A method for the operation of a wind power plant (10), wherein in particular the wind power plant (10) will be or is switched off after a shutdown signal is triggered by a safety shutdown device...
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8162788 |
System, device and method for wind turbine control based on operating profiles
A method for operating a wind turbine based on operating profiles for the wind turbine corresponding to operating modes. The method includes defining operating modes and acquiring a plurality of...
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8159081 |
Controlling propeller rotor overspeed
An engine having at least one stage of propeller rotor blades, and a load, the at least one stage being associated with electrical generation means to generate electricity for the load. The load is...
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8155923 |
System, remote device, and method for validating operation of a wind turbine
A method for validating operation of a wind turbine from a remote device. The remote device communicates with a controller, which is operatively coupled to the wind turbine. The method includes...
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8150649 |
Method for operating an automation system
There is described a method for operating an automation system which comprises at least two measuring modules, each connected to a higher order processing unit in order to communicate therewith....
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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...
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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....
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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...
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8120759 |
Optical transmission strain sensor for wind turbines
The invention relates to a broad band optical strain sensing system for a wind turbine. The strain sensing system includes an optical fiber with an input at one end and an output at the opposite...
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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...
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8112184 |
Auxiliary power unit with dual use of speed signals
An auxiliary power unit has a speed sensor for sensing a speed of operation of the auxiliary power unit. The speed sensor sends a signal to an electronic control box. The electronic control box is...
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8108079 |
Operating method for a wind park
The present invention concerns a method of operating a wind park having a plurality of wind power installations. The invention further concerns a wind power installation having an electrically...
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8108155 |
System for monitoring a restoration factor of a wind turbine population
A system for monitoring the quality of maintenance performed on a wind turbine. A restoration factor is used to determine the quality of maintenance performed of the wind turbine. A restoration...
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8108080 |
Monitoring and control apparatus and method and wind power plant equipped with the same
It is an object to reduce influence on a utility grid by reducing a rapid change in active power, and to extend the life of a wind power plant while controlling active power output in response to a...
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8095245 |
Thermal energy dispatch system
A system and computer-implemented method for dispatching thermal energy and generating power in a solar power generating plant. The system includes a computer processor, computer readable medium,...
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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...
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8086326 |
Fail-safe system for controlling wind turbines
A wind turbine control system is provided. The control system includes a first and a second control unit which are coupled to each other over a first network. The first control unit is configured...
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8073556 |
System and method for controlling a machine
A system for controlling a machine includes a first controller, a second controller, and a comparator. During a first cycle, the first controller generates a control signal to the machine while the...
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8065041 |
Concentrating control method of generating sets for grid energy saving and reduction of SO2 discharge
The present invention provides a control method for generating data sets for reduction of sulfur dioxide discharge in energy grid. The electric price parameters, energy-consumption parameters, and...
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8055390 |
Controller for a blade adjustment angle of at least one rotor blade of a wind power plant
Controller for a blade adjustment angle for at least one rotor blade of a wind power plant, in which a first controller branch is switched for the determination of the blade adjustment angle...
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8050899 |
Method for wind turbine placement in a wind power plant
A method for determining wind turbine location within a wind power plant based on at least one design criteria. A wind turbine layout including at least one wind turbine location is prepared and...
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8050879 |
Phase identification system and method
A method to identify phase is presented. The method includes obtaining electrical parameters at a node and a substation of an electrical grid, processing the electrical parameters of the node and...
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8046109 |
Method and systems for operating a wind turbine
A method for controlling operation of a wind turbine included within a power generation and delivery system is described. The method includes measuring at least one operating condition of the power...
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8046110 |
Control of active power reserve in a wind-farm
A method and system of active power reserve regulation in a wind farm with a communication network having a plurality of wind turbines that provide an active power reserve in order to support...
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8044670 |
Apparatus and method for determining a resonant frequency of a wind turbine tower
An apparatus for determining a resonant frequency of a wind turbine tower is provided. The apparatus includes a processing unit configured to receive an acceleration measurement value, the...
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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...
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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...
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8032614 |
Method for configuring a windfarm network
A method for automatically configuring a local network in a windfarm is provided, the method including the steps of (a) automatically assigning an IP address to a device connected to the local...
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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...
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8000840 |
Method of start up at least a part of a wind power plant, wind power plant and use of the wind power plant
A wind power plant and a method of start up at least a part of a wind power plant connected to an external grid substantially without any energy delivered from the external grid for the start up is...
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7983844 |
Device and method for determining wind conditions using multiple wind resource grids
A method for determining wind conditions within a geographic area based on a plurality of input wind resource grids. The input wind resource grids include input points associated with a geographic...
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7983799 |
System and method for controlling microgrid
A system for controlling a microgrid includes microgrid assets and a tieline for coupling the microgrid to a bulk grid; and a tieline controller coupled to the tieline. At least one of the...
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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...
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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...
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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,...
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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,...
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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...
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7945350 |
Wind turbine acoustic emission control system and method
A system and method for controlling noise generated from a wind turbine is disclosed. The method includes selectively adjusting the angle of pitch of the blade in response to an amount of noise...
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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...
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7922155 |
Steam-generator temperature control and optimization
A control method for boiler outlet temperatures includes predictive control of SH and RH desuperheater systems. The control method also includes control and optimization of steam generation...
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7912587 |
Method of balancing a gas turbine engine rotor
A method of balancing an assembly of rotary parts of a gas turbine engine comprising measuring at least one of the concentricity and parallelism of each component and considering globally all...
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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...
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7908035 |
System and method for wind formulary
A controller for use in monitoring at least one operating wind turbine is communicatively coupled to the at least one operating wind turbine, to a server sub-system, and to a user interface device....
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7904208 |
Computer instructions for centralized management of a hydrogen generation network
Computer instructions in communication with at least one processor having data storage. The processor is in communication with a hydrogen generation network. The computer instructions instruct the...
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7895016 |
System and method for wind turbine health management
A controller for use in managing an operational lifetime of at least one wind turbine is communicatively coupled to at least one wind turbine and a server sub-system. The controller is configured...
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