| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 101 | ELECTRICITY DISTRIBUTION SYSTEM, END USER RESIDENCE, AND METHOD | US14738569 | 2015-06-12 | US20150280438A1 | 2015-10-01 | Martinus Johannes Maria VAN RIET |
| An electricity distribution system, arranged to provide low voltage to end users and located at end user locations, includes a first medium voltage line for providing medium voltage and several end user electricity providers associated with respective several end user locations. Each end user electricity provider is couplable to an end user located at the respective end user location, and is arranged to provide low voltage to the end user. The first medium voltage line is provided with a number of branches and the end user electricity providers are each couplable to a respective branch of the medium voltage line via a respective second medium voltage line to receive medium voltage, and are arranged to convert the medium voltage to the low voltage to be provided to an end user. | ||||||
| 102 | Method and Apparatus for Obtaining Electricity from Offshore Wind Turbines | US14490311 | 2014-09-18 | US20150260163A1 | 2015-09-17 | Debrup Das; Jiaqi Liang; Darren Tremelling; Jiuping Pan |
| According to one aspect of the teachings herein, a system for obtaining electricity from wind turbines provides advantageous operation with respect to offshore wind turbines where the size and weight of electricity generation and collection equipment are key considerations. The contemplated system includes an apparatus that is configured for collecting wind-generated electricity at a fixed low frequency and at a desired collection voltage, based on the advantageous configuration and use of a modular multilevel converter or MMC. | ||||||
| 103 | Power grid operation control system, device, and method | US13420838 | 2012-03-15 | US09124138B2 | 2015-09-01 | Shigeki Mori; Yuuta Gima; Ryuta Kinjo; Fumihiro Shinjo; Yasunori Uezu; Eiichiro Kagawa |
| A power grid operation control system, device, and method for steadily operating a power grid while making the most of renewable energy. The power grid operation control system serves a power grid connected to a plurality of renewable energy and a plurality of thermal/hydroelectric power generators, and includes an automatic dispatching system, which controls the thermal/hydroelectric power generators, and a renewable energy generation control system, which controls the renewable energy. The automatic dispatching system controls the thermal/hydroelectric power generators by generating an automatic frequency control signal for correcting the power supply and demand imbalance of the power grid. The renewable energy generation control system determines an available connection capability and issues load instructions to ensure that the total power generation capacity of the renewable energy does not exceed the available connection capability. | ||||||
| 104 | Electricity distribution system, end user residence, and method | US12995755 | 2009-06-02 | US09088161B2 | 2015-07-21 | Martinus Johannes Maria Van Riet |
| An electricity distribution system, arranged to provide low voltage to end users (for instance, transport means) and located at end user locations includes a first medium voltage line for providing medium voltage and several end user electricity providers associated with respective several end user locations. Each end user electricity provider is couplable to an end user located at the respective end user location, and is arranged to provide low voltage to the end user. The first medium voltage line is provided with a number of branches and the end user electricity providers are each couplable to a respective branch of the medium voltage line via a respective second medium voltage line to receive medium voltage, and are arranged to convert the medium voltage to the low voltage to be provided to an end user. | ||||||
| 105 | Transferring Electrical Power for Subsea Applications | US14282579 | 2014-05-20 | US20150008765A1 | 2015-01-08 | Ove Boe; Espen Haugan |
| A method is provided for transferring electrical power. AC power is generated and guided at least partially underwater. The AC power is guided through a cable from a first end of the cable to a second end of the cable. A frequency of the AC power guided through the cable is adjusted in dependence of a length of the cable between the first end and the second end of the cable. | ||||||
| 106 | Converter Station Power Set Point Analysis System and Method | US13922644 | 2013-06-20 | US20140379157A1 | 2014-12-25 | Debrup Das; Reynaldo Nuqui; Mats Larsson |
| Converter stations have real and reactive power set points initially determined as part of a main loadflow analysis routinely performed on the AC power system connected to the converter stations. Viable real and/or reactive power set points for the converter stations can be identified by calculating real and/or reactive power set point candidates for the converter stations before the main loadflow analysis is performed again on the AC power system. The power set point candidates are calculated based on information determined as part of a previous iteration of the main loadflow analysis on the AC power system. The power set point candidates which violate an operating constraint imposed on the AC power system are identified, and a region of valid power set points is defined for the converter stations that excludes the power set point candidates which violate an operating constraint imposed on the AC power system. | ||||||
| 107 | Method of adapting a configuration of a voltage converting device and voltage converting unit for a voltage converting device | US13318538 | 2009-09-18 | US08750000B2 | 2014-06-10 | Rodney Jones |
| A method of adapting a configuration of a voltage converting device is provided. The voltage converting device includes a plurality of voltage converting units in parallel electrical connection to one another, and a plurality of inter-bridge transforming units. Each of the inter-bridge transforming units has a primary coil and a secondary coil. Each of the voltage converting units is electrically connected to a primary coil of a different one of the inter-bridge transforming units. The method includes detecting a status of at least one element of the group consisting of the voltage converting units and the inter-bridge transforming units. The method further includes adapting an activity state of the element based on the detected status of the element by moving the element from a first position to a second position. | ||||||
| 108 | MARINE PROPULSION SYSTEMS | US13878865 | 2010-10-14 | US20140145448A1 | 2014-05-29 | Eric Anthony Lewis |
| A wind turbine generator has a drive end at which one or more turbine blades are mountable and a non-drive end. The wind turbine generator comprises an external stator having a radially inner surface and an internal rotor having a radially outer surface, an air gap being defined between the rotor and the stator. A main bearing arrangement is provided at the drive end and acts between the rotor and the stator to mount the rotor for rotation about the stator and a stabiliser bearing is provided at the non-drive end and acts between the rotor and the stator to stabilise the rotor and stator and maintain and control the air gap therebetween. | ||||||
| 109 | Electricity market-oriented DC-segmentation design and optimal scheduling for electrical power transmission | US13342299 | 2012-01-03 | US08606417B2 | 2013-12-10 | Mohamed M. El-Gasseir; H. D. Kenneth Epp |
| Segmenting a power distribution network comprising AC power generating stations synchronously interconnected by AC power transmission paths. The stations operate within market sectors and are subject to market rules. The method includes identifying all transmission paths which extend between differing ones of the sectors and segmenting the path by inserting a controllable DC link in the path. Each of the sectors is then operated asynchronously. Power flow and counter-flow between the sectors is controlled by controlling the DC links. A power transmission network is disclosed comprising AC power generating stations operable within market sectors subject to market rules; power transmission paths interconnecting the stations, at least some of the paths extending between differing ones of the sectors, including a controllable DC link in the path for desynchronizing the differing sectors; and, control means operatively connectable to each of the DC links for controlling power flow between the differing sectors. | ||||||
| 110 | SYSTEMS AND METHODS FOR DETERMINING A POWER PHASE AND/OR A PHASE ROTATION | US13984608 | 2011-04-07 | US20130325376A1 | 2013-12-05 | Thomas Edwin Turicchi, JR.; Row Zeighami; Charles W. Cochran |
| One example discloses a system for determining a power phase and/or a phase rotation in a three-phase power system. The system can comprise at least three different computer nodes that communicate over a network, wherein each of the at least three different computer nodes receives a power signal comprising (i) one of three separate single phase power signals of a three-phase power signal or (ii) a three-phase power signal. The at least three different computer nodes can comprise a master computer node to determine (i) the phase of the power signal provided to each of the at least three computer nodes and/or (ii) a phase rotation of the power signal provided to each of the at least three computer nodes. The determination can be based on power data that characterizes waveform properties of the power signal provided to each of the at least three computer nodes. | ||||||
| 111 | SYSTEM AND METHOD FOR ROUTING POWER ACROSS MULTIPLE MICROGRIDS HAVING DC AND AC BUSES | US13887619 | 2013-05-06 | US20130274947A1 | 2013-10-17 | Landon Cabell Garland Miller; David Michael Barrett; John Patrick Kajs |
| Systems and methods are described herein for managing the operations of a plurality of microgrid modules. A microgrid module includes transformers and/or power converters necessary for modifying the input AC or DC power sources to meet the required characteristics of the output power. The micro grid module further comprises a control software module and a power router software module. The control software module receives data from sensors in the microgrid module and controls the flow of power with controllable elements. The power router software module controls the operation of the power router. The power router can detect changes in demand for power within the microgrid module or from other microgrid modules. The power router can adjust the flow of power between the micro grid modules in response to changes in the supply of power to the microgrid module and changes in the demand for power from the microgrid module. | ||||||
| 112 | Hybrid electric power architecture for a vehicle | US12796711 | 2010-06-09 | US08536729B2 | 2013-09-17 | Gregory I. Rozman; Steven J. Moss |
| An electric architecture for use on a vehicle has a collector bus for receiving power from a plurality of power sources. The collector bus distributes power to at least a pair of subsystems which are operable at different frequency levels. Each subsystem is provided with a global bus and a local bus, and is utilized to power at least one motor. | ||||||
| 113 | POWER GRID OPERATION CONTROL SYSTEM, DEVICE, AND METHOD | US13420838 | 2012-03-15 | US20130002032A1 | 2013-01-03 | Shigeki Mori; Yuuta Gima; Ryuta Kinjo; Fumihiro Shinjo; Yasunori Uezu; Eiichiro Kagawa |
| A power grid operation control system, device, and method for steadily operating a power grid while making the most of renewable energy. The power grid operation control system serves a power grid connected to a plurality of renewable energy and a plurality of thermal/hydroelectric power generators, and includes an automatic dispatching system, which controls the thermal/hydroelectric power generators, and a renewable energy generation control system, which controls the renewable energy. The automatic dispatching system controls the thermal/hydroelectric power generators by generating an automatic frequency control signal for correcting the power supply and demand imbalance of the power grid. The renewable energy generation control system determines an available connection capability and issues load instructions to ensure that the total power generation capacity of the renewable energy does not exceed the available connection capability. | ||||||
| 114 | ELECTRICAL DISTRIBUTION SYSTEM | US13524680 | 2012-06-15 | US20130002014A1 | 2013-01-03 | Gareth E. MOORE; Jason E. HILL; Seamus GARVEY |
| An electrical generating system for aircraft with one or more engines includes a plurality of generators associated with the engines so as to produce respective AC outputs. The frequencies of these outputs can differ from each other, as a result of differing engine speeds and/or deliberate design, but they are to be connected to a common bus to avoid redundancy of wiring. One or more converters are present between the generators and the bus for adjusting the output frequency of the generators to provide an AC output voltage at a common bus frequency. The system includes a control system for setting the AC bus frequency in such a way that it can vary with time. The bus frequency may follow the natural frequency of the engine, and only small converters are needed to make the already approximately equal generator frequencies identical, so that they can all feed the common bus. | ||||||
| 115 | Electric power distribution methods and apparatus | US12519507 | 2008-12-12 | US08183714B2 | 2012-05-22 | Alan McDonnell |
| 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 metallically connected to the utility grid. The end-user locations each have a local AC bus that is not metallically connected to the utility grid or to the feeder, but that is linked by a coupler to both the utility grid and to the feeder. None of the local AC buses or the feeder is required to have the same phase or frequency as the utility grid. Locally generated electric power may be passed by means of the feeder to other end-user locations that are on the feeder. Each local AC bus has two or more inverters powering the bus. | ||||||
| 116 | METHOD OF ADAPTING A CONFIGURATION OF A VOLTAGE CONVERTING DEVICE AND VOLTAGE CONVERTING UNIT FOR A VOLTAGE CONVERTING DEVICE | US13318538 | 2009-09-18 | US20120057384A1 | 2012-03-08 | Rodney Jones |
| A method of adapting a configuration of a voltage converting device is provided. The voltage converting device includes a plurality of voltage converting units in parallel electrical connection to one another, and a plurality of inter-bridge transforming units. Each of the inter-bridge transforming units has a primary coil and a secondary coil. Each of the voltage converting units is electrically connected to a primary coil of a different one of the inter-bridge transforming units. The method includes detecting a status of at least one element of the group consisting of the voltage converting units and the inter-bridge transforming units. The method further includes adapting an activity state of the element based on the detected status of the element by moving the element from a first position to a second position. | ||||||
| 117 | Electricity market-oriented DC-segmentation design and optimal scheduling for electrical power transmission | US12620326 | 2009-11-17 | US08090479B2 | 2012-01-03 | Mohamed M. El-Gasseir; H. D. Kenneth Epp |
| A method of segmenting a power distribution network which comprises a plurality of AC power generating stations synchronously interconnected by AC power transmission paths is disclosed. The stations operate within associated market sectors and are subject to associated market rules. The method includes identifying all transmission paths which extend between differing ones of the sectors and, in each of said transmission paths so identified, segmenting the path by inserting a controllable DC link at a selected location in the path. Each of the sectors is then operated asynchronously. Power flow and counter-flow between the sectors is controlled by controlling the DC links. As well there is disclosed a power transmission network which comprises a plurality of AC power generating stations operable within associated market sectors subject to associated market rules; power transmission paths interconnecting the stations, at least some of the paths extending between differing ones of the sectors; and wherein each of the paths which extend between differing ones of the sectors includes a controllable DC link in the path for desynchronizing the differing sectors; and, control means operatively connectable to each of the DC links for controlling power flow between the differing sectors. | ||||||
| 118 | HYBRID ELECTRIC POWER ARCHITECTURE FOR A VEHICLE | US12796711 | 2010-06-09 | US20110304199A1 | 2011-12-15 | Gregory I. Rozman; Steven J. Moss |
| An electric architecture for use on a vehicle has a collector bus for receiving power from a plurality of power sources. The collector bus distributes power to at least a pair of subsystems which are operable at different frequency levels. Each subsystem is provided with a global bus and a local bus, and is utilized to power at least one motor. | ||||||
| 119 | Static converter | US12320759 | 2009-02-04 | US08054657B2 | 2011-11-08 | Rainer Gruber; Ulrich Halfmann; Marc Hiller; Wolfgang Recker |
| A static converter includes a current converter on the three-phase side and a current converter on the single-phase side, which are electrically conductively linked to one another on the DC voltage side, and which are respectively electrically conductively connected on the AC voltage side to a feeding three-phase network and a single-phase receiving network. According to an embodiment of the invention, one network-commutated current converter is provided as the current converter on the three-phase side, wherein the current converter on the single-phase side has two phase modules which are connected in parallel on the DC voltage side and whose current converter branches each have at least one two-pole subsystem. This results in a static converter which is simpler and costs less than a known static converter. | ||||||
| 120 | ELECTRIC POWER DISTRIBUTION METHODS AND APPARATUS | US12519507 | 2008-12-12 | US20100292853A1 | 2010-11-18 | Alan McDonnell |
| 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 metallically connected to the utility grid. The end-user locations each have a local AC bus that is not metallically connected to the utility grid or to the feeder, but that is linked by a coupler to both the utility grid and to the feeder. None of the local AC buses or the feeder is required to have the same phase or frequency as the utility grid. Locally generated electric power may be passed by means of the feeder to other end-user locations that are on the feeder. Each local AC bus has two or more inverters powering the bus. | ||||||
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