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US20150260151 |
SYSTEM FOR CONTROLLING WATER TURBINE GENERATOR FOR WATERWORKS
Disclosed is a system for controlling a water turbine generator for waterworks, which monitors and controls a plurality of water turbine generators, provided in a water pipe, for waterworks in... |
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US20110288688 |
SYSTEM AND METHOD FOR GENERATING ELECTRIC POWER
A reversible system for generating electric power includes a first reservoir initially containing a predetermined volume of water, a second reservoir initially being substantially empty, a turbine... |
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US20130311139 |
SYSTEM AND METHOD FOR CONTROLLING AND DIAGNOSING A COMBINED CYCLE POWER PLANT
A system and method in a combined cycle power plant includes a processor modeling plant level performance by considering the interrelation between outputs of the gas turbine and the steam turbine.... |
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US20120130553 |
SAFETY INSTRUMENTED SYSTEM (SIS) FOR A TURBINE SYSTEM
A retrofit kit for a turbine system is provided that includes a safety instrumented system (SIS) controller having a first plurality of functions and the SIS controller is configured to be coupled... |
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US20140343738 |
POWER GENERATION SYSTEM THAT PREVENTS A GENERATOR FROM SUPPLYING POWER TO A LOAD
A power generation system includes a generator that includes an alternator and an internal combustion engine configured to drive the alternator to generate power. The power generation system... |
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US20110153099 |
METHOD AND SYSTEM FOR CONTROLLING A WIND POWER PLANT COMPRISING A NUMBER OF WIND TURBINE GENERATORS
This invention relates to a method and a system (10) for controlling a wind power plant (20) comprising at least one wind turbine generator (21 a-n), the wind power plant being connected to a... |
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US20150005966 |
SYSTEM AND METHOD FOR CONTROLLING A WIND TURBINE
Systems and methods for controlling a wind turbine are disclosed. The method includes: measuring a loading condition acting on the wind turbine; determining a first scaler factor based on the... |
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US20140309798 |
METHOD AND DEVICE FOR CONTROLLING A TEMPERATURE OF STEAM FOR A STEAM POWER PLANT
A method for controlling a temperature of steam for a steam power plant is provided. A state regulator controls the temperature of the steam at an outlet of a superheater using a feedback of... |
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US20150120070 |
METHOD FOR COORDINATING FREQUENCY CONTROL CHARACTERISTICS BETWEEN CONVENTIONAL PLANTS AND WIND POWER PLANTS
The present invention relates to a method for operating an electrical power system, comprising at least one wind turbine generator and at least one other power source, the method comprises the... |
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US20130041514 |
HYBRID ELECTRIC GENERATOR SET
A portable generator system provides power to a load source including an engine and a generator. The engine drives the generator to provide a generator alternating current (AC) electrical power... |
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US20130144450 |
GENERATOR SYSTEM
An object is to provide a generator system capable of reducing short-period and long-period output power variations. Provided is a generator system including a pumped-storage power generation... |
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US20120143382 |
OPTIMIZED INTEGRATED CONTROLS FOR OXY-FUEL COMBUSTION POWER PLANT
A control system for optimizing an oxy-fuel power plant comprises an optimizer in communication with the oxy-fuel power plant; the oxy-fuel power plant being operative to recycle carbon dioxide... |
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US20120166000 |
REMOTE WIND TURBINE RESET SYSTEM AND METHOD
The present invention includes a Computer Assisted Reset (CAR) system that allows a central operations team to remotely reset turbine faults across multiple wind turbine platforms and SCADA... |
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US20100332042 |
WIND FARM AND METHOD FOR CONTROLLING A WIND FARM
A wind farm includes a plurality of wind energy installations, a transfer point at which electrical energy produced by the wind energy installations is transferred to a public electricity grid... |
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US20120150358 |
Operation of a power generator in a power supply network
During operation of at least one power generator (EE) in a power supply network, a reactive power transfer between the two upper voltage levels (1, 2) is sensed at a first transformer (T1)... |
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US20140277790 |
ENSURING NON-EXCESSIVE VARIATION OF GRADIENTS IN AUTO-TUNING A GAS TURBINE ENGINE
Methods are provided for ensuring non-excessive variation of a gradient of an applied split bias versus firing temperature of a gas turbine engine. It is determined that an incremental split bias... |
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US20120245746 |
Automatic Ram Air Turbine Deployment
A method of deploying a ram air turbine for an aircraft only during flight that deploys the ram air turbine only when a predetermined number of aeronautical power generation contactor signals are... |
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US20130131878 |
Reactive Following for Distributed Generation and Loads of Other Reactive Controller(s)
Systems and methods for providing generated power to a power grid subject to reactive power requirements. A reactive follower includes a reactive power generator coupled to a distributed power... |
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US20120123601 |
ENHANCED PLANT LEVEL SUPPORT OF GRID RECONSTRUCTION
Methodology is provided for enhancing plant level support for grid reconstruction following a blackout. A plant based grid reconstruction manager develops solutions for reconstruction sequence... |
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US20130166082 |
Methods and Systems for Optimizing Farm-level Metrics in a Wind Farm
A method for optimizing one or more farm-level metrics in a wind farm is presented. The method includes identifying an optimization objective and one or more decision variables for optimization.... |
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US20130204447 |
WIND TURBINE WITH PRICE-OPTIMISED TURBINE LOAD CONTROL
A method of controlling the load of a wind turbine is provided. A rate of wear experienced by the wind turbine as a result of the current operating conditions of the wind turbine is determined. A... |
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US20150236703 |
METHOD FOR LOAD SHARE BALANCING IN A SYSTEM OF PARALLEL-CONNECTED GENERATORS USING SELECTIVE LOAD REDUCTION
A parallel generator system having at least one controller using selective load reduction for load share balancing, and a method for using selective load reduction for load share balancing in a... |
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US20110182712 |
METHOD OF CONTROLLING A WIND POWER PLANT
It is presented a method for controlling the instantaneous power output from a wind power plant. Wind speed and wind directions are determined, wherein an upper limit power output for the specific... |
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US20110184572 |
Method for Setting an Output Voltage level of a Wind Power Plant
The present invention addresses the problem of avoiding that wind turbine voltage levels within a wind power plant do not exceed predetermined overvoltage and/or undervoltage protection levels. In... |
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US20150105924 |
RENEWABLE ENERGY-BASED ELECTRICITY GRID INFRASTRUCTURE AND METHOD OF GRID INFRASTRUCTURE AUTOMATION AND OPERATION
A renewable energy resource management system manages a delivery of a power requirement from a multi-resource offshore renewable energy installation to an intelligent power distribution network.... |
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US20120083930 |
ADAPTIVE LOAD MANAGEMENT: A SYSTEM FOR INCORPORATING CUSTOMER ELECTRICAL DEMAND INFORMATION FOR DEMAND AND SUPPLY SIDE ENERGY MANAGEMENT
A method for determining an amount of electricity to purchase includes determining electrical power consumption characteristics of an electrical load at an end user of the electricity. A... |
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US20140316592 |
SELECTIVE DROOP RESPONSE CONTROL FOR A WIND TURBINE POWER PLANT
A power plant controller (36) is described. The power plant controller (36) controls a power generation system (10) having one or more power generators (12) and an energy storage system (22), and... |
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US20110010018 |
Load Shedding By An Electric Utility
Load shedding by an electric utility, including querying power distribution systems that include a DRG system for present power consumption of the local load of the power distribution system;... |
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US20150134251 |
METHOD FOR PREDICTING AND MITIGATING POWER FLUCTUATIONS AT A PHOTOVOLTAIC POWER PLANT DUE TO CLOUD COVER
A method for forecasting reduction in sunlight intensity due to cloud cover at a photovoltaic power plant is described. The method comprises determining characteristics of one or more clouds from... |
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US20120232710 |
GENERATOR RESERVE CAPACITY CONTROL SYSTEM AND NETWORK
The present subject matter relates to methods, systems, and networks for making available identified generator reserve capacity to provided compensation for lost generator capacity on a temporary... |
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US20150184549 |
METHODS AND SYSTEMS FOR ENHANCING CONTROL OF POWER PLANT GENERATING UNITS
A control method for optimizing an operation of a power plant fleet. The power plant fleet may include multiple operating configurations differentiated by a manner in which assets are engaged. The... |
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US20100320761 |
METHOD FOR THE OPERATION OF A WIND TURBINE, AND WIND TURBINE FOR CARRYING OUT THIS METHOD
A method of operating a wind turbine, comprising the steps of measuring a meteorological value and using the measured meteorological value to preset a desired value for the turbine operation, to... |
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US20140277791 |
HYBRID GENERATOR
A hybrid generator may include a fuel powered engine; an alternator comprising a permanent magnet alternator head with at least 90% mechanical-to-electric efficiency, the alternator being coupled... |
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US20120221157 |
LOW PRESSURE SPOOL EMERGENCY GENERATOR
An emergency power system is useable on an aircraft having a gas turbine engine with a low pressure spool and a high pressure spool. The emergency power system includes an emergency electrical... |
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US20120191264 |
HYDROELECTRIC POWER OPTIMIZATION
A non-linear power equation may be solved in linear form by locking one or more variables and iteratively solving to accurately and quickly estimate optimized power solutions for hydroelectric... |
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US20130035798 |
METHOD OF OPERATING A WIND POWER PLANT
Method of operating a wind power plant including the steps of: operating the wind power plant at an current parameter schedule (Pcurrent(v)) performing a wind prediction of wind data (Vw) for a... |
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US20150198145 |
METHOD FOR CONTROLLING AN ELECTRIC GENERATOR
The invention relates to a method for controlling a generator of electric energy that is connected to an electrical supply grid on a grid connection point, comprising the following steps: feeding... |
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US20150005967 |
METHOD OF DETERMINING REMEDIAL CONTROL ACTIONS FOR A POWER SYSTEM IN AN INSECURE STATE
A method of determining remedial control actions for a power system in an insecure and unstable operating condition is provided. The power system has a plurality of generators injecting power into... |
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US20130261817 |
PRODUCING AND SUPPLYING STABLE POWER FROM RENEWABLE RESOURCES
Techniques are provided for a unified power production system that produces and supplies a stable power from renewable resources coupled with a firming resource. The power production system... |
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US20150222124 |
METHOD AND UNIT OF POWER HARVESTING
An electrical solution that avoids power-up problems due to excessive power consumption during start-up of for example microcontroller based electronics. According to the invention the power... |
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US20120136494 |
METHOD OF CONTROLLING REACTIVE POWER IN A WIND FARM
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... |
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US20120083931 |
METHOD AND APPARATUS FOR JUDGING AN UNNECESSARY WINDWARD CONDITION AND METHOD AND SYSTEM FOR TRACKING WIND
The present invention relates to a method and apparatus for judging an unnecessary windward condition and a method and system for tracking wind, wherein the method comprises: taking a first wind... |
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US20110112697 |
WIND TURBINE GENERATOR SYSTEM AND OPERATION CONTROL METHOD THEREFOR
An object is to improve the accuracy of reactive power adjustment. Reactive-power command values corresponding to individual wind turbines are determined by correcting a predetermined... |
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US20130310993 |
ON-LOAD TAP CHANGER CONTROL METHOD FOR A POWER EXCITATION CHAIN, RELATED UNIT AND POWER EXCITATION CHAIN COMPRISING SUCH UNIT
The present invention relates to an on-load tap changer control method for a power excitation chain. The chain includes a generator, a step-up transformer equipped with an on-load tap changer and... |
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US20140142769 |
BUILDING MANAGEMENT SYSTEM WITH ACTIVE BUILDING SKIN, AN ENVIRONMENTAL RESOURCE COLLECTOR FOR USE IN SUCH A SYSTEM AND A METHOD OF MANAGING RESOURCES USED IN A BUILDING
A building management system comprises a measurement system for measuring a demand for resources inside the building and a collecting system for harvesting natural resources available outside the... |
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US20110046789 |
BUILDING MANAGEMENT SYSTEM WITH ACTIVE BUILDING SKIN, AN ENVIRONMENTAL RESOURCE COLLECTOR FOR USE IN SUCH A SYSTEM AND A METHOD OF MANAGING RESOURCES USED IN A BUILDING
A building management system (100) comprises a measurement system for measuring a demand for resources inside the building and a collecting system for harvesting natural resources available... |
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US20110166717 |
Real power control in wind farm
A method is provided for controlling real powers supplied from a plurality of wind farms each provided with a plurality of wind turbine generators to the utility grid. The method includes:... |
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US20110118884 |
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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US20110202191 |
ENERGY GENERATING SYSTEM AND CONTROL THEREOF
A system and method of controlling an electricity generating system that includes at least one intermittent energy source generating plant are disclosed. An exemplary method includes calculating... |
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US20120101643 |
REACTIVE POWER CONTROLLER FOR CONTROLLING REACTIVE POWER IN A WIND FARM
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... |