Matches 1 - 41 out of 41
Match Document Document Title
US20090292402 Method & apparatus for orchestrating utility power supply & demand in real time using a continuous pricing signal sent via a network to home networks & smart appliances  
The present invention orchestrates the supply of power and demand for power of power-side of Utility-provided services such as Electricity, Gas and Water. In real-time a variable price for service...
US20090292397 METHOD AND APPARATUS FOR DAMPING TOWER OSCILLATION IN A WIND TURBINE  
A method of damping tower oscillation in a wind turbine is provided. The method includes the steps of determining a rotor rotational speed of the wind turbine and controlling the rotor rotational...
US20090281675 System And Method For Monitoring And Control Of Wind Farms  
A wind farm monitoring and control system, includes at least one wind farm, at least one intelligent management server connectable to the at least one wind farm via a data communication network,...
US20090273185 System for Controlling and Protecting Against Symmetrical and Asymmetrical Faults for Asynchronous-Type Generators  
The invention relates to a system for controlling and protecting against symmetrical and asymmetrical faults for double-fed asynchronous-type generators, which, in the event of a symmetrical or...
US20090265040 Matrix Converters For Wind Energy Conversion Systems  
The invention is an efficient matrix converter for wind energy conversion systems (WECS) using permanent magnet DC generators, incorporating control algorithms integrated with rotor aerodynamics,...
US20090254224 Multiprotocol Wind Turbine System And Method  
A wind turbine includes at least two communication protocol handlers (PH), the protocol handlers (PH) generating and interpreting SCADA (Supervisory Control And Data Acquisition) related data...
US20090254223 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...
US20090240377 POWER MONITORING SYSTEM  
The invention provides a hierarchically accessible monitoring system configured to be used with a standby generator, and a method of remotely accessing generator information from a standby...
US20090234510 Method For Controlling A Cluster Of Wind Turbines Connected To A Utility Grid, Method For Planning The Strategy Of A Utility Grid Including A Wind Turbine Cluster Connected To The Grid And Wind Turbine Cluster  
A method for controlling a cluster of wind turbines connected to a utility grid includes the steps of determining the frequency of the utility grid, detecting a frequency deviation in the utility...
US20090234509 Power control system and method  
This invention discloses a power control system comprising a prime mover and a generator driven by the prime mover. A control device is coupled with the generator to ascertain a change in speed of...
US20090230680 Power control system and method  
This invention discloses a power control system comprising a prime mover and a generator driven by the prime mover. A control device is coupled with the generator to ascertain a change in speed of...
US20090222108 INTEGRATED CONTROLS DESIGN OPTIMIZATION  
A control system ( 207 ) for optimizing a chemical looping process of a power plant includes an optimizer ( 420 ), an income algorithm ( 230 ) and a cost algorithm ( 225 ) and a chemical looping...
US20090216385 Method and Device for Increasing the Operational Flexibility of a Current-Generating System, in Particular a Gas Turbine or Steam Turbine  
Discussed is a method and device for increasing the operational flexibility of a current-generating system with a turboset, comprising a turbine coupled to an electrical generator, a power set...
US20090212746 Systems and Methods for Optimizing the Operation of a Generator  
Methods and systems for minimizing power loss in generator are disclosed, including providing one or more operating parameters for a generator, and determining an optimal field power and an optimal...
US20090204266 System And Method Of Controlling A Wind Turbine In A Wind Power Plant  
The invention relates to a central controller adapted for controlling a number of wind turbines. The wind turbines being controlled and monitored by the central controller via a first monitoring...
US20090187283 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...
US20090187282 WIND TURBINE ARRANGED FOR INDEPENDENT OPERATION OF ITS COMPONENTS AND RELATED METHOD AND COMPUTER PROGRAM  
A wind turbine which is composed of several subunits is provided. Each of the several subunits includes a controller. Each of the controllers is adapted to operate in a cooperative mode and in an...
US20090164393 POWER SYSTEM STABILIZATION SYSTEM  
In a power system stabilization system for stabilizing a small-scale electric power system to which electric power generated by a rotating power generator is supplied, an electric water heater...
US20090160189 Priority System For Communication In A System Of At Least Two Distributed Wind Turbines  
The invention relates to a system of at least two distributed wind turbines where the at least two wind turbines communicate via a data communication network, the data communication network...
US20090160187 CONTROL SYSTEM AND METHOD FOR OPERATING A WIND FARM IN A BALANCED STATE  
A method for operating a wind farm which includes a wind farm control system and at least two wind turbines, which are connected via an internal grid, is provided. The method includes determining...
US20090112374 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...
US20090099702 SYSTEM AND METHOD FOR OPTIMIZING WAKE INTERACTION BETWEEN WIND TURBINES  
A system and method to increase the overall power output of a windpark during conditions when the wake created by an upstream turbine effects the power production of a downstream turbine....
US20090055031 System and method for synchronizing an auxiliary electrical generator to an electrical system  
There is provided herein methods and apparatus for apparatus for controlling the interconnection of an auxiliary AC generator with an electrical system, such as an electrical distribution system,...
US20090055030 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...
US20090037029 METHOD FOR OPERATING A FIRING PLANT  
A method for operating a firing plant with at least one combustion chamber and with at least one burner for producing hot gas, especially a gas turbine, preferably of a power generating plant,...
US20090021015 Method And Control System For Reducing The Fatigue Loads In The Components Of A Wind Turbine Subjected to Asymmetrical Loading Of The Rotor Plane  
The invention relates to a method for reducing fatigue loads in the components of a wind turbine subjected to asymmetrical loading of its rotor, comprising the steps of: repeatedly collecting and...
US20090012653 USE OF STATISTICAL ANALYSIS IN POWER PLANT PERFORMANCE MONITORING  
A technique of implementing performance monitoring in a power plant is appropriate to control operating parameters and factors connected with the efficiency of the energy production process in an...
US20090008939 MODULAR WIND TURBINE, MULTI-TURBINE WIND TURBINE, WIND TURBINE COMPUTER SYSTEM, AND METHOD OF USE THEREOF  
A modular multi-turbine unit of fixed toroidal support structures having a rail system designed to allow each of the plurality of turbines to rotate to a most efficient position relative to the...
US20080319586 On-Site Power Plant Control Including Adaptive Response to Transient Load Requirements  
An on-site power plant ( 24 ) has a controller ( 40 ) that selectively controls operation of prime movers ( 26, 28, 30 ). In one example, the controller ( 40 ) changes the number of operating prime...
US20080300729 Mobile Body  
A disclosed mobile body includes an energy generator configured to generate energy from a supplied fuel gas; a gas leakage detecting unit configured to detect leakage of the fuel gas out of the...
US20080288120 Methods and Systems for Modifying Turbine Control Systems  
Methods and systems for modifying a turbine control system may be provided for. A method may include replacing at least one legacy main controller processor communicating in a first communication...
US20080247872 Method of Operation of a High-Efficiency Turbine With Variable Attack Angle Foils  
Operations of a turbine to generate energy from a relatively slow fluid flow, such as wind and water, are described. The turbine has a plurality of foils rotating about a central axis at a...
US20080206051 Wind Turbine Generator, Active Damping Method Thereof, and Windmill Tower  
A wind turbine generator, an active damping method thereof, and a windmill tower in which vibrations of the wind turbine generator itself or the windmill tower can be reduced at low cost are...
US20080191492 Machine having electrical power system and method  
A machine and electrical power system includes a generator having a speed range that includes a resonance speed associated with resonance vibrations of the system. A drive coupling is disposed...
US20080190092 Integrated Gasification Combined Cycle, Method of Controlling the Plant, and Method of Producing Fuel Gas  
Disclosed is a combined power generation unit 25 that is provided with a gasification unit including a gasification furnace 23 used to produce fuel gas and a gas turbine rotating using the fuel...
US20080157530 Stator controlled induction generators with short-circuited rotor  
A generator is connectable to a turbine for generating electric power or a motor. An electric power generator system or a motor comprises an asynchronous short-circuited rotor generator or motor...
US20080133064 System and method for electric current and power monitoring and control of a generator  
A control device measures a voltage drop across a conductor in a generator to determine and control the total generator output current. A temperature of the conductor is also measured to improve...
US20080122228 Method, apparatus, signals and media, for selecting operating conditions of a genset  
A method and apparatus for selecting optimal operating conditions of a genset is disclosed. The genset includes an engine coupled to an electrical power generator, the genset having a plurality of...
US20080103611 Method for Optimizing Operational Parameters on Wind Farms  
A method for optimization of operating parameters of a wind energy installation defines an upper and a lower interval limit value for a parameter to be optimized. The method includes carrying out a...
US20080071427 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...
US20080039979 Smart Islanding and Power Backup in a Power Aggregation System for Distributed Electric Resources  
Systems and methods are described for a power aggregation system. In one implementation, a service establishes individual Internet connections to numerous electric resources intermittently...
Matches 1 - 41 out of 41