| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 121 | Dual-output generators | US14565697 | 2014-12-10 | US10027210B2 | 2018-07-17 | Todd A. Spierling; Timothy R. Welch |
| A dual-output generator includes a first generator with a rotor, a second generator with a rotor, and first and second power converters. The rotor of the first generator is coupled to the rotor of the second generator for common rotation with the rotor of the first generator. The first power converter connects electrically to the first generator for converting rotation of the first generator rotor into direct current power. The second power converter connects electrically to the second generator for converting rotation of the second generator rotor into constant frequency alternating current power. | ||||||
| 122 | AUXILIARY ELECTRIC ENERGY STORAGE AND SUPPLY SYSTEM FOR A POWER PLANT | US15529045 | 2015-08-07 | US20180145511A1 | 2018-05-24 | Hervé Biellmann |
| An annex supply system for an electrical power plant includes an energy extraction network configured to receive AC current from a main production unit, a main auxiliary network coupled to the extraction network, and a secondary supply unit. The secondary unit includes a storage element coupled to a means for reversible conversion from direct to alternating current that is controllable to selectively (i) charge the storage element from the main auxiliary network, and (ii) discharge energy from the storage element to the main auxiliary network. The secondary unit is configured to (i) provide a first power profile at least sufficient to provide services to a transmission network, and/or (ii) provide to the main auxiliary network a second power profile required to operate auxiliary equipment in case of inoperability of a normal power supply source of the main auxiliary network. | ||||||
| 123 | Maximum power output circuit for an EHC and design method thereof | US14689843 | 2015-04-17 | US09899876B2 | 2018-02-20 | Yadong Liu; Chenlin Hu; Xiaolei Xie; Gehao Sheng; Xiuchen Jiang |
| A maximum power output circuit for EHC and its design method are presented. The circuit is comprised of a magnetic core, that is, a primary coil and a secondary coil, with a load resistor and a capacitor parallel connected at the two ends of the secondary coil. The circuit enables the EHC to be always working at the maximum power output, thus realizing maximum power output of the energy harvesting power source. | ||||||
| 124 | System and method for operating a wind turbine | US15019985 | 2016-02-10 | US09893563B2 | 2018-02-13 | Till Hoffmann; Werner Gerhard Barton; Hartmut Scholte-Wassink |
| The present subject matter is directed to a wind turbine electrical power configured to minimize power losses. The power system includes a generator having a generator stator and a generator rotor, a power converter electrically coupled to the generator, a main transformer electrically coupled to the power converter and the power grid, and an auxiliary transformer. More specifically, the main transformer is connected to the power grid via a voltage line comprising a voltage switch gear. Thus, the auxiliary transformer is connected directly to the voltage line, i.e. rather than being connected to the grid through the main transformer. | ||||||
| 125 | Apparatus and method for monitoring substation disconnects and transmission line switches | US15159286 | 2016-05-19 | US09866064B2 | 2018-01-09 | Andrew John Phillips |
| An apparatus and method for continuously monitoring substation disconnects and transmission line switches to detect improper closing of the disconnects or switches is disclosed. The method includes the step of providing an apparatus adapted to measure, process, and transmit data associated with a disconnect or switch. The method further includes the steps of positioning the apparatus on or in close proximity to the disconnect or switch, using the apparatus to collect data of the disconnect or switch and processing the data for transmission to a remote receiver, and transmitting the processed data to a remote receiver. | ||||||
| 126 | Uninterruptible power supply and method of use | US14732215 | 2015-06-05 | US09859752B2 | 2018-01-02 | Arvind Kumar Tiwari; Yashomani Y. Kolhatkar; Silvio Colombi |
| An uninterruptible power supply (UPS) includes a line terminal, a load terminal, a double-conversion circuit coupled in series, and further includes a bypass circuit, and a synchronize circuit. The line terminal couples to a doubly fed induction generator (DFIG). The load terminal couples to a load having a demanded power. The double-conversion circuit regulates grid power from the line terminal to the demanded power at the load terminal. The bypass circuit is coupled between the line terminal and the load terminal, and configured to deliver regulated power generated by the DFIG to the load terminal when the grid power is lost. The synchronize circuit is coupled between the double-conversion circuit and the DFIG, and, when the grid power is lost, the synchronize circuit injects a current through the double-conversion circuit and into the DFIG, synchronizing the regulated power generated by the DFIG to the demanded power. | ||||||
| 127 | Power distribution system for off-shore natural resource platforms | US14855569 | 2015-09-16 | US09831668B2 | 2017-11-28 | Anil K. Kondabathini; Zhenyuan Wang; Jiuping Pan; Jiaqi Liang |
| A power distribution system for off-shore natural resource platforms includes an off-shore medium voltage direct current (MVDC) power bus. The MVDC power bus includes multiple power bus segments, each of which may be connected to one or more other power bus segments via a corresponding circuit breaker. Each power bus segment may also be electrically coupled to an off-shore renewable energy source, such as a wind farm, and/or an off-shore drilling platform. The off-shore drilling platforms may include local power distribution systems electrically connected to a corresponding power bus segment via a circuit breaker to receive power from the MVDC power bus and supply power to local equipment of the off-shore drilling platform. | ||||||
| 128 | Energy storage module comprising a DC link | US14896109 | 2014-06-20 | US09825504B2 | 2017-11-21 | Christoph Schäfer; Rainer Vor Dem Esche; Arne Spangenberg |
| An energy storage module for the reversible storage of electric energy is provided that comprises several flywheel energy storage units that are electrically connected in parallel via a shared DC link. A first regulation system is connected to the DC link and that, during normal operation (NO), connects the DC link to one or more external power networks in order to absorb (En) energy from or release (Ep) energy into the external power network(s). A second regulation system includes an input side and an output side, whereby the input side is connected to at least the DC link while the output side is connected to an internal supply network for purposes of supplying one or more electrically powered operating aggregates that are needed to operate the flywheel energy storage units. | ||||||
| 129 | Back-up energy storage with in-rush current limiting for wind turbine pitch drive | US14321662 | 2014-07-01 | US09793756B2 | 2017-10-17 | Pedro Palomares Rentero; Alejandro Rujas; Héctor Ortiz De Landazuri |
| A wind turbine pitch drive system comprises an electric grid for supplying electrical power, a motor for driving a pitch actuator, an electronic converter for controlling the motor and a back-up energy storage unit for supplying electrical power. The electronic converter comprises a DC-link capacitor bank. The system furthermore comprises a switching device for selectively connecting the DC-capacitor bank link to the back-up energy storage unit, and a frequency generator for controlling the switching device. Also disclosed is a method for protecting a component of the electronic converter. | ||||||
| 130 | AUTOMATIC RECOVERY CONTROL | US15426971 | 2017-02-07 | US20170229905A1 | 2017-08-10 | Daljit Ghotra; Hoang Nguyen; Russell J. Morash; Brent E. Harris; Keith W. Johnston |
| An automatic battery recovery system includes a power conversion system (PCS) coupled between an AC power line and a DC power bus. The PCS is configured to convert between DC power from a battery system and AC power from the AC power line. An automatic recovery control (ARC) circuit is coupled in parallel with the PCS between the AC power line and the DC power bus. The ARC circuit is configured to convert AC power from the AC power line into DC power for powering the PCS based on a state-of-charge (SOC) of the battery system. The PCS includes an inverter coupled between the AC power line and the battery system and a digital signal processor (DSP) configured to command the inverter to charge the battery system from the AC power line while the DSP is being powered through the ARC circuit. | ||||||
| 131 | SYSTEM AND METHOD FOR CONDITION MONITORING OF ELECTRICITY TRANSMISSION STRUCTURES | US15426038 | 2017-02-06 | US20170227596A1 | 2017-08-10 | Yilmaz Sozer; Jose Alexis De Abreu-Garcia; John Lauletta |
| System and method for monitoring the condition of electricity conductor support systems, i.e. towers, in a power network distribution system employing a tower structure integrity sensor assemblage. The system allows for identifying particular portions of a structural system for maintenance attention. The tower sensors allow identification of structural failures of electricity transmission towers. | ||||||
| 132 | Distribution board and battery pack | US14368520 | 2013-10-15 | US09680334B2 | 2017-06-13 | Shoichi Toya; Motoshi Ito |
| A distribution board includes: a pack housing unit which houses a battery pack and includes a connecting unit; and a charge control unit. The battery pack includes a connecting terminal unit for charge and discharge of power and can supply power to the distribution board and another device different from the distribution board. The connecting unit is connectable to and disconnectable from the connecting terminal unit. The charge control unit converts AC power supplied from a power system into DC power, and supplies the DC power to the battery pack housed in the pack housing unit to charge the battery pack. | ||||||
| 133 | POWER SYSTEM FOR OFFSHORE APPLICATIONS | US14935725 | 2015-11-09 | US20170133858A1 | 2017-05-11 | Yan Pan; Martin Samuel Butcher; Dong Dong; Martin Richard Ingles; Christof Martin Sihler; Ara Panosyan |
| A power system for offshore application includes a plurality of power circuits. Each of the power circuit includes an alternating current (AC) bus which supplies power to an auxiliary load and is connected to a generator. The power circuit further includes a first direct current (DC) bus having a first DC voltage supplying power to a first load and a second DC bus having a second DC voltage supplying power to a second load. The power circuit also includes a first DC to DC converter coupled between the first DC bus and the second DC bus, wherein the first DC to DC converter is configured for bidirectional power flow and an AC to DC converter coupled between the AC bus and the first DC bus. The first DC bus of at least one power circuit is coupled to the second DC bus of at least another power circuit with a second DC to DC converter. The system also includes a controller configured to control the operation of the first DC to DC converter, second DC to DC converter and the AC to DC converter for regulating the first and second DC voltages. The controller is further configured to provide power to the second DC bus from the at least one AC to DC converter during a first operating state and from the first DC to DC converter during a second operating state. | ||||||
| 134 | POWER DISTRIBUTION SYSTEM FOR OFF-SHORE NATURAL RESOURCE PLATFORMS | US14855569 | 2015-09-16 | US20170077699A1 | 2017-03-16 | Anil K. Kondabathini; Zhenyuan Wang; Jiuping Pan; Jiaqi Liang |
| A power distribution system for off-shore natural resource platforms includes an off-shore medium voltage direct current (MVDC) power bus. The MVDC power bus includes multiple power bus segments, each of which may be connected to one or more other power bus segments via a corresponding circuit breaker. Each power bus segment may also be electrically coupled to an off-shore renewable energy source, such as a wind farm, and/or an off-shore drilling platform. The off-shore drilling platforms may include local power distribution systems electrically connected to a corresponding power bus segment via a circuit breaker to receive power from the MVDC power bus and supply power to local equipment of the off-shore drilling platform. | ||||||
| 135 | METHOD FOR BLACK STARTING WIND TURBINE, WIND FARM, AND RESTORING WIND FARM AND WIND TURBINE, WIND FARM USING THE SAME | US15360108 | 2016-11-23 | US20170074244A1 | 2017-03-16 | Xing Huang; Yao Chen |
| A method for black starting a wind turbine and a wind farm following islanding operation, a method for restoring the wind farm following the islanding operation, and the wind turbine and wind farm. The wind turbine comprises auxiliary equipment, a generator, a converter electrically connectable to the generator, and an energy storage system, the generator is electrically connectable to the auxiliary equipment via the converter, the energy storage system is electrically connectable to the auxiliary equipment. The method for black staring the wind turbine including: measuring wind blowing smoothness degree; selecting a first power source to supply first power to the auxiliary equipment in V/f control mode and selecting a second power source to adjust an amount of active power and reactive power fed to the auxiliary equipment by the first power source in consideration of the amount of active power and reactive power demand suitable for powering the auxiliary equipment; and connecting the power sources to the auxiliary equipment. | ||||||
| 136 | METHOD AND SYSTEM FOR CONTROL POWER IN REMOTE DC POWER SYSTEMS | US15241968 | 2016-08-19 | US20160359365A1 | 2016-12-08 | Stefan Schroeder; Christof Martin Sihler; Sebastian Pedro Rosado |
| A method and system for a control power supply system is provided. The control power supply system includes a first conductor configured to carry a direct current (DC) electrical current from a source to a load, a second conductor configured to carry the DC electrical current from the load to the source, and an AC power source coupled to at least one of the first and the second conductors, the AC power source configured to superimpose a selectable relatively high frequency AC component onto the DC electrical current to generate a composite power signal. | ||||||
| 137 | Gas turbine power generation system comprising an emergency power supply system | US14164295 | 2014-01-27 | US09509175B2 | 2016-11-29 | Axel Haerms; Wolfgand Lang |
| The present invention relates to a gas turbine power generation system, that includes a hydrogen-cooled generator having hydrogen as coolant, a plant hydrogen storage, generator auxiliaries and an emergency power supply system. The power generation system includes a fuel cell using hydrogen as fuel. The fuel cell is supplied via a line with hydrogen fuel from the hydrogen filling of the hydrogen-cooled generator in case of failure or disruption of the power supply from the gas turbine power generation system. In a preferred embodiment the fuel cell is supplied with additional hydrogen via a line from the plant hydrogen storage and/or with additional hydrogen via a line from generator auxiliaries in case of failure or disruption of the power supply from the gas turbine power generation system. | ||||||
| 138 | MAXIMUM POWER OUTPUT CIRCUIT FOR AN EHC AND DESIGN METHOD THEREOF | US14689843 | 2015-04-17 | US20160268812A1 | 2016-09-15 | Yadong Liu; Chenlin Hu; Xiaolei Xie; Gehao Sheng; Xiuchen Jiang |
| A maximum power output circuit for EHC and its design method are presented. The circuit is comprised of a magnetic core, that is, a primary coil and a secondary coil, with a load resistor and a capacitor parallel connected at the two ends of the secondary coil. The circuit enables the EHC to be always working at the maximum power output, s thus realizing maximum power output of the energy harvesting power source. | ||||||
| 139 | Staggered charging system | US14134227 | 2013-12-19 | US09425651B2 | 2016-08-23 | Jack Strauser |
| A consumer electronic system for holding and providing power to any number of consumer electronic devices includes any number of cradles in a staggered configuration, such that, displays of consumer electronic devices in each of the cradles are each visible without being substantially blocked by other consumer electronic devices. In one embodiment, the consumer electronic system for holding and providing power comprises multiple sub-systems, each having one or more cradles, such that, the sub-systems are joined to produce a consumer electronic system for holding and providing power to the desired number of possible consumer electronic devices at one time. | ||||||
| 140 | ELECTRIC UNIT FOR A PUMP-STORAGE POWER PLANT | US15056557 | 2016-02-29 | US20160181909A1 | 2016-06-23 | Peter Steimer; Stefan Linder; Steve Aubert; Tobias Thurnherr |
| The invention relates to a pumped storage power plant, in particular to an electric unit 1 comprising a converter 3, a rotating electric synchronous machine 4 and a charging unit 5, wherein the charging unit 5 has at least one transformer 6 and one switch 7 and can be connected to a supply grid 2, on the one hand, and to the converter 3, on the other. The invention also relates to a method for using the electric unit 1 comprising at least opening a generator switch 15 in order to disconnect the synchronous machine 4 from the converter 3; charging cells of the converter 3 which have capacitors and/or accumulators by closing a switch 7 of the charging unit 5, wherein by closing the switch 7 the converter 3 is connected to the supply grid 2 via the transformer 6 of the charging unit 5; opening the switch 7 of the charging unit 5 after the complete charging of the converter 3; and closing the generator switch 15 in order to connect the synchronous machine 4 to the converter 3 and/or the secondary line 11. | ||||||
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