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| Number | Title | Issue Date |
| 7271500 | Electrical rotating machine control unit and power generation system Because of the necessity of resolver for detecting a rotating position, which is very expensive, and noise suppression of the rotating position signal line on a doubly-fed machine, cost increase of the generator and reduced reliability due to possible failures are i... | 09/18/2007 |
| 7268443 | Wind turbine generator system A wind turbine generator system can regulate the rotational velocity of the wind turbine within an operation range even when the wind velocity suddenly changes and can perform continuous operation of the wind turbine. The wind turbine generator system includes a gen... | 09/11/2007 |
| 7265456 | Power generation system incorporating a vanadium redox battery and a direct current wind turbine generator A power generation system includes a wind turbine generator and a vanadium redox battery to compensate for fluctuations in wind power. The wind turbine generator provides DC power that may be used to charge the vanadium redox battery. Generated DC power may also be ... | 09/04/2007 |
| 7260466 | Turbine mechanical output computation device and gas turbine control device equipped therewith A turbine mechanical output computation device computes a gas turbine mechanical output P from the following equation P = Pe + J × ... | 08/21/2007 |
| 7259472 | Wind turbine generator A wind turbine generator including a nacelle having reduced size and weight is provided. The wind turbine generator includes a nacelle disposed on a tower. The nacelle includes a main shaft that is connected to a rotor head equipped with blades and that integrally r... | 08/21/2007 |
| 7259471 | Drive line for fluid flow power engine with speed guidance, power impact reduction and short-term energy storage Control procedure for a flow machine, wherein the flow machine comprises a turbine, which picks up power from a wind or water current, and a driveline, which transfers power from the turbine to an electric generator connected to an electricity grid of constant grid ... | 08/21/2007 |
| 7256506 | Backup power hierarchy for a facility system A system is disclosed which accomplishes a method of providing backup power to a device in a facility. The method includes using turbines to combusting a fuel to generate a primary power source. If this source fails, a secondary source of power is obtained from a co... | 08/14/2007 |
| 7256508 | Wind farm The invention relates to a wind-driven power-plant comprising a rotor (100) which is fitted with at least one rotor blade and which is connected directly or indirectly to a generator for power generation, further including an electrical assembly made up of di... | 08/14/2007 |
| 7256509 | Wind power plant comprising a rotor blade adjusting device A wind power plant including a rotor having at least one angle-adjustable rotor blade, a generator that, for generating electrical power, can be directly or indirectly coupled to the rotor and, for supplying the electrical power, can be directly or indirectly couple... | 08/14/2007 |
| 7256512 | Variable aperture velocity augmented ducted fan wind turbine A wind powered variable area exit aperture electric generating system having configurable, adjustable duct side walls by which means the ratio between the intake cross-sectional aperture area and the exhaust cross-sectional aperture area may be varied for maximum ai... | 08/14/2007 |
| 7256511 | Turbine-generator equipment and installation method thereof Installation method of turbine-generator equipment controlling a turbine-generator is described. The method includes manufacturing a thyristor excitation equipment as a package including a circuit breaker, an excitation transformer, a power rectifier coupled with th... | 08/14/2007 |
| 7254944 | Energy storage system An energy storage system in which a renewable power production facility, such as one having a wind energy collector, is used to power a compressor situated adjacent a wellbore. During periods of non-peak load on the electric power grid, the compressor is used to com... | 08/14/2007 |
| 7255527 | Wind power generator A wind power generator has a base, a wind driving wheel, a transmission unit and a power storage unit. The wind driving wheel has a spindle at a center of the wind driving wheel. The spindle is positioned to the lateral frame. A plurality of connecting frames are ex... | 08/14/2007 |
| 7253537 | System and method of operating double fed induction generators A protection system and a protection method are provided for protecting a double fed induction generator and a gearbox during a grid fault. The protection system includes a plurality of controlled impedance devices. Each of the controlled impedance devices is couple... | 08/07/2007 |
| 7250734 | High performance switched reluctance machine Certain exemplary embodiments can provide a switched reluctance machine, comprising a rotor; and a stator encircling said rotor and comprising a plurality of radially distributed stator poles, each of said stator poles comprising a set of coils, each set of coils co... | 07/31/2007 |
| 7249486 | Method for monitoring a sensor The present invention concerns a method of monitoring a sensor for sensing the flow speed of a medium. The invention further concerns an apparatus for carrying out that method. In order to be able to monitor the sensor, without providing redundant sensors, the flow ... | 07/31/2007 |
| 7249935 | Lightning protection means for a wind turbine A lightning protection device which is capable of avoiding electrical current, which is being induced in the blades of wind turbine, from being passed to parts of the wind turbine that may be damaged or destroyed by the electrical current. The electrical current is ... | 07/31/2007 |
| 7248946 | Inverter control methodology for distributed generation sources connected to a utility grid The present invention provides an improved control methodology for maximum power point tracking (MPPT), anti-islanding, and output current regulation for distributed generation sources connected to a utility grid. The control includes enhancements for MPPT and regul... | 07/24/2007 |
| 7249007 | Weather and climate variable prediction for management of weather and climate risk A method for simulating the statistical behavior of atmospheric, meteorological, or other geophysical time series having the following steps: (a) assembling an ensemble of observed data; (b) removing any evident cycles; (c) calculating the eigensystem and expansion ... | 07/24/2007 |
| 7245038 | Extending fuel economy operating range in gasoline direct injection (GDI) engines An engine control system for controlling engine operation in high-output (HO) and fuel-economy (FE) modes in a gasoline direct injection (GDI) engine includes an alternator that is driven by the engine and that is regulated by a load control signal. An alternator lo... | 07/17/2007 |
| 7245031 | Generator with integrated powerswitch A generator having electronic circuit breakers as circuit breakers, whereby circuits comprising thyristors, IGBT elements and/or GTO thyristors are used, and whereby the circuit breakers are integrated into the generator, preferably in that the circuit breakers are ... | 07/17/2007 |
| 7245032 | Mobile-power system utilizing propane generator, fuel cell and super capacitors The present invention is a mobile-energy generating system capable of providing redundant direct current power. It comprises a reciprocating engine and generator having dual fuel capability, a fuel cell, commercial electrical power hookups, and capacitors used for b... | 07/17/2007 |
| 7245042 | Auxiliary wind energy generation from a wind power generation apparatus A wind energy generator has a generator having a shaft extending therefrom, a plurality of blades interconnected to the shaft so as to be rotatable by the action of wind energy, and an elongate chamber cooperative with the shaft such that the chamber rotates relativ... | 07/17/2007 |
| 7245037 | Wind power fed network An electric network for generation and transmission of electric power, including a power generating part, a point of common connection for the power generating part, a transmission link, a load network, and a reactive power compensator. The transmission link is coup... | 07/17/2007 |
| 7245039 | Apparatus and method for generating hydrogen gas through the use of wind power This invention teaches an apparatus, method, means, and computer readable media to address the problem of the inconsistent, unreliable nature of wind, and in particular low-wind speeds, through utilizing a blower and/or startup assist to aid in turning an electricit... | 07/17/2007 |
| 7242108 | Wind-actuated electric power alternator A wind-actuated electric power alternator is disclosed. The wind-actuated electric power alternator includes an impeller enclosure having a generally triangular cross-sectional configuration. An impeller is rotatably mounted in the impeller enclosure. An alternator ... | 07/10/2007 |
| 7241522 | Regenerative electrochemical cell system and method for use thereof An exemplary embodiment of a regenerative electrochemical cell system, comprises: a fuel cell module, an electrolysis module, a heat exchange, and an inverted hydrogen storage device. The fuel cell module can comprise a fuel cell hydrogen inlet in fluid communicatio... | 07/10/2007 |
| 7242104 | Power system for a telecommunication facility Disclosed is a method of supplying DC power to equipment using proton exchange membranes (PEMs). PEMs run on hydrogen to produce DC electrical power. In the disclosed embodiment these PEMs are used as an alternative source of power to AC sources. One of these other ... | 07/10/2007 |
| 7242107 | Water-based wind-driven power generation using a submerged platform Provided are systems, methods and techniques by which a wind-powered energy generating platform, secured to an anchor, can pull (or winch) itself beneath the surface of the water and thereby avoid most of the significant effects of storms and waves. In more particul... | 07/10/2007 |
| 7239035 | System and method for integrating wind and hydroelectric generation and pumped hydro energy storage systems An integrated, wind-pumped hydro power generation system includes at least one wind turbine generator device configured to generate output power for a common bus, and at least one hydro generator device configured to generate output power for the common bus. The hyd... | 07/03/2007 |
| 7239036 | System and method for power control in wind turbines A system and method for power control in wind turbines are provided. The method includes switching a plurality of switching devices in a power conversion component of the wind turbine system in a normal switching mode to provide power flow through the power conversi... | 07/03/2007 |
| 7235893 | Reduced friction wind turbine apparatus and method The present invention is a wind power apparatus for driving an electric generator. The wind power apparatus comprises a frame, a vertical axle mounted on the frame and a buoyant hull. The buoyant hull is rotational disposed on the axle. The buoyant hull has a curvil... | 06/26/2007 |
| 7235891 | Power system having generator driven by engine An apparatus for controlling the operation of power conditioners (10) for supplying the generated power to an external power system such as a commercial power system, in which power conditioners (10) are interconnected to an external power system, the ... | 06/26/2007 |
| 7233129 | Generator with utility fault ride-through capability A wind powered turbine with low voltage ride-through capability. An inverter is connected to the output of a turbine generator. The generator output is conditioned by the inverter resulting in an output voltage and current at a frequency and phase angle appropriate ... | 06/19/2007 |
| 7233079 | Renewable energy electric power generating system A renewable electric power system includes a high temperature superconducting wind turbine using high temperature superconducting yttrium-barium-copper oxide for the rotor and stator windings as well as a superconducting bearing. Power from the turbine is stored in ... | 06/19/2007 |
| 7231282 | Device and method for a functional test of one wind turbine generator plant A method for a functional test of a wind turbine generator plant which comprises the following procedural steps: a control unit for the wind turbine generator plant reads in actual values from at least one structural part of the wind turbine generator plant and gene... | 06/12/2007 |
| 7230348 | Infuser augmented vertical wind turbine electrical generating system A wind turbine for generating electrical power having a vertical “Savonius rotor type” wind rotatable turbine with multiple fixed pitch blades and a rotatable wind inlet duct having an identical number of multiple infuser-shaped aerodynamic guides as the pitch b... | 06/12/2007 |
| 7230347 | Corrosion protection for wind turbine units in a marine environment A corrosion protected wind turbine unit includes a wind turbine unit support structure or foundation implanted in water and an impressed current anode electrochemically coupled to the wind turbine unit support structure or foundation through the water. Also included... | 06/12/2007 |
| 7227275 | Method for retrofitting wind turbine farms A power generation system with a predetermined rating limit includes one or more wind turbine generators and a vanadium redox battery. The vanadium redox battery absorbs excess energy to ensure that the rating limit is not exceeded, provide system stability, and imp... | 06/05/2007 |
| 7227274 | Method for creating energy sources for a vehicle drive system The method for creating energy sources for a vehicle drive system includes burning an air fuel mixture in an internal combustion engine and discharging the burned air fuel mixture through an exhaust system of the vehicle. Steam is created utilizing heat of the exhau... | 06/05/2007 |
