A process for producing a cube textured foil is described. The process includes providing a cube textured metal foil M. The process further includes electroplating an epitaxial layer of an alloy on the foil M, whereby the epitaxial layer substantially replicates the cube texture of the metal foil M. The process further includes electroplating a non-epitaxial layer of an alloy on the epitaxial layer. The process further includes separating the electroplated alloy from the cube textured metal foil M to obtain an electro-formed alloy with one cube textured surface.
C30B 30/02 - Production of single crystals or homogeneous polycrystalline material with defined structure characterised by the action of electric or magnetic fields, wave energy or other specific physical conditions using electric fields, e.g. electrolysis
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
Goods & Services
Electronic components in the nature of transformers,
transformer rectifiers, rectifiers, direct current
rectifiers, power rectifiers, reactors, inductors,
interphases; apparatus and instruments for conveying,
distributing, transforming, storing, regulating or
controlling electric current. Installation, maintenance and repair of apparatus and
instruments for conducting, switching, transforming,
accumulating, regulating or controlling electricity.
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
Goods & Services
(1) Electronic components in the nature of transformers, transformer rectifiers, rectifiers, direct current rectifiers, power rectifiers, reactors, inductors, interphase barriers; power line phase meters; apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current, namely sensors for measuring electric current to control at least one electrical outlet, electrical power demand monitoring meters, electrical switches for power conservation, electrical energy usage meters, electrical power surge protectors, voltage surge protectors, power controllers for controlling the consumption and distribution of electricity. (1) Installation, maintenance and repair of apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely transformers, transformer rectifiers, rectifiers, direct current rectifiers, power rectifiers, reactors, inductors, interphase barriers, power line phase meters.
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
Goods & Services
Electronic components in the nature of transformers, transformer rectifiers, rectifiers, direct current rectifiers, power rectifiers, reactors, inductors, interphases; apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current Installation, maintenance and repair of apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity
An electrical power system for a watercraft including a first electrical power plant configured to operate in a variable frequency mode to output variable frequency power to a first electrical network and a fixed frequency mode to output fixed frequency power to a second electrical network. There is a first electrical load including a first high temperature superconductor (HTS) motor connected to the first electrical network and a second electrical load connected to a second electrical network. A controller selectively connects the first electrical power plant to the first electrical network and operates the first electrical power plant in a variable frequency mode to output variable frequency power to power the first HTS motor and selectively connects the first electrical power plant to the second electrical network and operates the first electrical power plant in a fixed frequency mode to output fixed frequency power to power the second electrical load.
An electrical power system for a watercraft including a first electrical power plant configured to operate in a variable frequency mode to output variable frequency power to a first electrical network and a fixed frequency mode to output fixed frequency power to a second electrical network. There is a first electrical load including a first high temperature superconductor (HTS) motor connected to the first electrical network and a second electrical load connected to a second electrical network. A controller selectively connects the first electrical power plant to the first electrical network and operates the first electrical power plant in a variable frequency mode to output variable frequency power to power the first HTS motor and selectively connects the first electrical power plant to the second electrical network and operates the first electrical power plant in a fixed frequency mode to output fixed frequency power to power the second electrical load.
An electrical power system for a watercraft including a first electrical power plant configured to operate in a variable frequency mode to output variable frequency power to a first electrical network and a fixed frequency mode to output fixed frequency power to a second electrical network. There is a first electrical load including a first high temperature superconductor (HTS) motor connected to the first electrical network and a second electrical load connected to a second electrical network. A controller selectively connects the first electrical power plant to the first electrical network and operates the first electrical power plant in a variable frequency mode to output variable frequency power to power the first HTS motor and selectively connects the first electrical power plant to the second electrical network and operates the first electrical power plant in a fixed frequency mode to output fixed frequency power to power the second electrical load.
B60L 50/13 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines using AC generators and AC motors
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
B63H 21/17 - Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
H02K 55/04 - Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type with rotating field windings
B63J 3/02 - Driving of auxiliaries from propulsion power plant
A process for producing a cube textured foil is described. The process includes providing a cube textured metal foil M. The process further includes electroplating an epitaxial layer of an alloy on the foil M, whereby the epitaxial layer substantially replicates the cube texture of the metal foil M. The process further includes electroplating a non-epitaxial layer of an alloy on the epitaxial layer. The process further includes separating the electroplated alloy from the cube textured metal foil M to obtain an electro-formed alloy with one cube textured surface.
C30B 30/02 - Production of single crystals or homogeneous polycrystalline material with defined structure characterised by the action of electric or magnetic fields, wave energy or other specific physical conditions using electric fields, e.g. electrolysis
A process for producing a cube textured foil is described. The process includes providing a cube textured metal foil M. The process further includes electroplating an epitaxial layer of an alloy on the foil M, whereby the epitaxial layer substantially replicates the cube texture of the metal foil M. The process further includes electroplating a non-epitaxial layer of an alloy on the epitaxial layer. The process further includes separating the electroplated alloy from the cube textured metal foil M to obtain an electro-formed alloy with one cube textured surface.
A system for load balancing on a multi-phase power line connected to a single phase lateral power line, includes a contactor configured to selectively connect each phase of the multi-phase power line to the single phase lateral power line. There is a phase change device connected in parallel with the contactor and a controller. During the phase change state, the controller connects the input of the phase change device to the multi-phase power line and connects the output of the phase change device the single phase lateral power line. The controller causes the phase change device to output a voltage to the single phase lateral line initially aligned with the first phase and then rotated to align with the second phase and causes the contactor changes connection to the second phase of the multi-phase power line and disconnect the phase change device from the power lines.
H02J 3/14 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
A system for load balancing on a multi-phase power line connected to a single phase lateral power line, includes a contactor configured to selectively connect each phase of the multi-phase power line to the single phase lateral power line. There is a phase change device connected in parallel with the contactor and a controller. During the phase change state, the controller connects the input of the phase change device to the multi-phase power line and connects the output of the phase change device the single phase lateral power line. The controller causes the phase change device to output a voltage to the single phase lateral line initially aligned with the first phase and then rotated to align with the second phase and causes the contactor changes connection to the second phase of the multi-phase power line and disconnect the phase change device from the power lines.
H02J 3/14 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
H02J 3/26 - Arrangements for eliminating or reducing asymmetry in polyphase networks
A system for load balancing on a multi-phase power line connected to a single phase lateral power line, includes a contactor configured to selectively connect each phase of the multi-phase power line to the single phase lateral power line. There is a phase change device connected in parallel with the contactor and a controller. During the phase change state, the controller connects the input of the phase change device to the multi-phase power line and connects the output of the phase change device the single phase lateral power line. The controller causes the phase change device to output a voltage to the single phase lateral line initially aligned with the first phase and then rotated to align with the second phase and causes the contactor changes connection to the second phase of the multi-phase power line and disconnect the phase change device from the power lines.
H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
H02K 19/26 - Synchronous generators characterised by the arrangement of exciting windings
H02K 19/36 - Structural association of synchronous generators with auxiliary electric devices influencing the characteristic of the generator or controlling the generator, e.g. with impedances or switches
H02M 5/458 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
H02J 3/14 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
H02J 3/44 - Synchronising a generator for connection to a network or to another generator with means for ensuring correct phase sequence
13.
High temperature superconducting wires having increased engineering current densities
A superconductor wire having a first HTS layer with a first cap layer in direct contact with a first surface of the first HTS layer and a second cap layer in direct contact with a second surface of the first HTS layer. There is a first lamination layer affixed to the first cap layer and a stabilizer layer having a first surface affixed to the second cap layer. There is a second HTS layer and a third cap layer in direct contact with a first surface of the second HTS layer and a fourth cap layer in direct contact with a second surface of the second HTS layer. There is a second lamination layer affixed to the fourth cap layer. The second surface of the stabilizer layer is affixed to the third cap layer and there are first and second fillets disposed along a edge of the laminated superconductor.
The present invention is in the field of A roll-to-roll apparatus for processing metal tapes with a ceramic coating. In particular, the present invention relates to a roll-to-roll apparatus for pro-cessing metal tapes with a ceramic coating comprising at least two rolls with fixed axis position, and at least one roll with variable axis position to adjust the tape position and/or tension, wherein the position and the diameter of the rolls are adjusted to touch the metal tape only from one side and to limit the stress on the metal tape at any point such that the metal tape is not stretched by more than 0.15%.
A yaw auto-calibration method configured to calibrate at least one anemometer of a yaw control system to correct for yaw misalignment. The yaw auto-calibration method includes collecting wind turbine data over a plurality of time periods with respect to the at least one anemometer. The wind turbine data including one or more of mechanical speed, wind speed, turbine power, and wind direction. The method includes determining from the collected data a wind direction compensation signal associated with a plurality of operational parameter ranges and the wind direction compensation signals correspond to the effects on the at least one anemometer due to yaw misalignment. The method further includes providing the wind compensation signals to the yaw control system to adjust the wind direction data of the at least one anemometer for each of the associated operational parameter ranges.
A yaw auto-calibration method configured to calibrate an anemometer of a yaw control system to correct for yaw misalignment, includes collecting wind speed and wind direction data from the anemometer over a plurality of time periods. The method includes determining from the collected data a wind direction compensation signal associated with a plurality of wind speed ranges. The step of determining a wind direction compensation signal includes determining from a plotted performance value, a maximum performance value for each wind speed range and the step of determining further includes correlating the maximum performance value for each wind speed range with the associated average generator speed and plotting the maximum performance wind direction against average generator speed for each wind speed range. The maximum performance wind direction associated with the average generator speed for each wind speed range constitutes the wind direction compensation signal for the wind speed range.
A yaw auto-calibration method configured to calibrate at least one anemometer of a yaw control system to correct for yaw misalignment. The yaw auto-calibration method includes collecting wind turbine data over a plurality of time periods with respect to the at least one anemometer. The wind turbine data including one or more of mechanical speed, wind speed, turbine power, and wind direction. The method includes determining from the collected data a wind direction compensation signal associated with a plurality of operational parameter ranges and the wind direction compensation signals correspond to the effects on the at least one anemometer due to yaw misalignment. The method further includes providing the wind compensation signals to the yaw control system to adjust the wind direction data of the at least one anemometer for each of the associated operational parameter ranges.
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
G01P 5/02 - Measuring speed of fluids, e.g. of air streamMeasuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
F03D 7/02 - Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
G01P 21/02 - Testing or calibrating of apparatus or devices covered by the other groups of this subclass of speedometers
A yaw auto-calibration method configured to calibrate an anemometer of a yaw control system to correct for yaw misalignment, includes collecting wind speed and wind direction data from the anemometer over a plurality of time periods. The method includes determining from the collected data a wind direction compensation signal associated with a plurality of wind speed ranges. The step of determining a wind direction compensation signal includes determining from a plotted performance value, a maximum performance value for each wind speed range and the step of determining further includes correlating the maximum performance value for each wind speed range with the associated average generator speed and plotting the maximum performance wind direction against average generator speed for each wind speed range. The maximum performance wind direction associated with the average generator speed for each wind speed range constitutes the wind direction compensation signal for the wind speed range.
F03D 17/00 - Monitoring or testing of wind motors, e.g. diagnostics
F03D 7/02 - Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
G01P 5/02 - Measuring speed of fluids, e.g. of air streamMeasuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
G01P 21/02 - Testing or calibrating of apparatus or devices covered by the other groups of this subclass of speedometers
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
19.
Hybrid electrical and mechanical propulsion and energy system for a ship
A hybrid electrical and mechanical ship propulsion and electric power system, includes a first mechanical power plant configured to drive a first propeller via a first shaft. There is a second electrical power plant configured to drive a second propeller via a second shaft. The second electrical power plant includes HTS generators and a high temperature superconductor (HTS) motor interconnected to the second shaft. There is a first electrical network to which the HTS motor is connected in order to energize the HTS motor to drive the second propeller via the second shaft.
B63H 21/20 - Use of propulsion power plant or units on vessels the vessels being powered by combinations of different types of propulsion units
B63H 21/21 - Control means for engine or transmission, specially adapted for use on marine vessels
B63J 3/02 - Driving of auxiliaries from propulsion power plant
B63H 21/17 - Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
B63H 21/22 - Use of propulsion power plant or units on vessels the propulsion power units being controlled from exterior of engine room, e.g. from navigation bridgeArrangements of order telegraphs
A hybrid electrical and mechanical ship propulsion and electric power system, includes a first mechanical power plant (58, 60) configured to drive a first propeller (61) via a first shaft (59). There is a second electrical power plant (22, 24, 26) configured to drive a second propeller (57) via a second shaft (55). The second electrical power plant includes HTS generators (25, 27) and a high temperature superconductor (HTS) motor (36) interconnected to the second shaft. There is a first electrical network to which the HTS motor is connected in order to energize the HTS motor to drive the second propeller via the second shaft.
B63H 21/20 - Use of propulsion power plant or units on vessels the vessels being powered by combinations of different types of propulsion units
H02K 55/04 - Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type with rotating field windings
H02K 11/01 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields
21.
HIGH TEMPERATURE SUPERCONDUCTOR GENERATOR WITH INCREASED ROTATIONAL INERTIA
A high temperature superconductor (HTS) rotating machine having a longitudinal axis and having a first rotational inertia. There is a cylindrical stator assembly disposed about the longitudinal axis and a cylindrical rotor assembly disposed within the stator assembly. The rotor assembly is configured to rotate within the stator assembly about the longitudinal axis. The rotor assembly includes at least one HTS winding assembly which, in operation, generates a magnetic flux linking the stator assembly. There is a cylindrical electromagnetic shield disposed about the at least one HTS winding assembly having a second rotational inertia. There is a cryogenic cooling system for cooling the at least one superconducting winding assembly of the rotor assembly. The second rotational inertia is at least eighty percent (80%) of the first rotational inertia.
H02K 55/04 - Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type with rotating field windings
H02K 11/01 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields
B63H 21/17 - Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
22.
High temperature superconductor generator with increased rotational inertia
A high temperature superconductor (HTS) rotating machine having a longitudinal axis and having a first rotational inertia. There is a cylindrical stator assembly disposed about the longitudinal axis and a cylindrical rotor assembly disposed within the stator assembly. The rotor assembly is configured to rotate within the stator assembly about the longitudinal axis. The rotor assembly includes at least one HTS winding assembly which, in operation, generates a magnetic flux linking the stator assembly. There is a cylindrical electromagnetic shield disposed about the at least one HTS winding assembly having a second rotational inertia. There is a cryogenic cooling system for cooling the at least one superconducting winding assembly of the rotor assembly. The second rotational inertia is at least eighty percent (80%) of the first rotational inertia.
H02K 55/04 - Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type with rotating field windings
H02K 11/01 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
F01D 15/10 - Adaptations for driving, or combinations with, electric generators
B63H 21/17 - Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
H02K 9/00 - Arrangements for cooling or ventilating
23.
SWITCHING SCHEME FOR STATIC SYNCHRONOUS COMPENSATORS USING CASCADED H-BRIDGE CONVERTERS
A static synchronous compensator includes at least one converter pole for producing a first phase of an AC voltage waveform having a fundamental cycle. The first phase of the AC voltage waveform includes alternating converter pole charging and discharging regions in each fundamental cycle. The at least one converter pole includes a plurality of cascaded H-bridge cells, each having a DC voltage source and a plurality of switches. The switches are capable of being switched to produce a plurality of switching states. There is a controller configured to control the switching states of the plurality of switches of each of the cascaded H-bridge cells based on the voltages of DC voltage sources of the H-bridge cells and on whether the AC waveform is in the converter pole charging region or the converter pole discharging region.
Laminated superconductor wires (100) are disclosed, comprising a high temperature superconductor (HTS) layer (75a) having two cap layers (72a, 104a) in direct contact with opposite surfaces thereof, a first lamination layer (96a) affixed to a first cap layer (104a), a stabilizer layer (70) affixed to a second cap layer (72a), a second lamination layer (96b) affixed either to the opposite surface of the stabilizer or to a cap layer (104b) of a second similar HTS layer (75b), and first and second fillets (108a, 108b) disposed along the edges of the laminate. Fabrication methods thereof involve affixing the first cap layer(s) to the stabilizer, removing the substrate(s) from the HTS layer(s), and then affixing the second cap layer(s) and the lamination layers.
A superconductor wire having a first HTS layer with a first cap layer in direct contact with a first surface of the first HTS layer and a second cap layer in direct contact with a second surface of the first HTS layer. There is a first lamination layer affixed to the first cap layer and a stabilizer layer having a first surface affixed to the second cap layer. There is a second HTS layer and a third cap layer in direct contact with a first surface of the second HTS layer and a fourth cap layer in direct contact with a second surface of the second HTS layer. There is a second lamination layer affixed to the fourth cap layer. The second surface of the stabilizer layer is affixed to the third cap layer and there are first and second fillets disposed along a edge of the laminated superconductor.
H01L 39/12 - Devices using superconductivity or hyperconductivity; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof - Details characterised by the material
26.
Multi-level cascaded H-bridge STATCOM circulating cooling fluid within enclosure
A static synchronous compensator configured to be installed in and provide reactive power to a medium voltage electric distribution system. There is a multi-level cascaded H-bridge (CHB) converter in an enclosure, having a nominal operating voltage in the medium voltage range. There is a first electrical bushing connecting the medium voltage electric distribution system to the input of the CHB converter. There is a second electrical bushing connecting ground or floating ground to the output of the CHB converter. There is a cooling system, which circulates the cooling fluid between in the interior of the enclosure to cool the CHB converter. There is a controller to control the converter to output reactive power at a medium voltage level.
A static synchronous compensator configured to be installed in and provide reactive power to a medium voltage electric distribution system. There is a multi-level cascaded H-bridge (CHB) converter in an enclosure, having a nominal operating voltage in the medium voltage range. There is a first electrical bushing connecting the medium voltage electric distribution system to the input of the CHB converter. There is a second electrical bushing connecting ground or floating ground to the output of the CHB converter. There is a cooling system, which circulates the cooling fluid between in the interior of the enclosure to cool the CHB converter. There is a controller to control the converter to output reactive power at a medium voltage level.
A static synchronous compensator configured to be installed in and provide reactive power to a medium voltage electric distribution system. There is a multi-level cascaded H-bridge (CHB) converter in an enclosure, having a nominal operating voltage in the medium voltage range. There is a first electrical bushing connecting the medium voltage electric distribution system to the input of the CHB converter. There is a second electrical bushing connecting ground or floating ground to the output of the CHB converter. There is a cooling system, which circulates the cooling fluid between in the interior of the enclosure to cool the CHB converter. There is a controller to control the converter to output reactive power at a medium voltage level.
A power electronics based system using natural, convection cooling, includes an enclosure housing a plurality of discrete components distributed in a vertical direction from a bottom portion to a top portion of the enclosure and having a heat density weighted average center at a first height along the vertical direction. There is a heat exchanger adjacent to the enclosure, including an inlet port and an outlet port in fluid communication with the enclosure. The heat exchanger has a vertical cooling average center at a second height. There is a cooling fluid disposed in the enclosure and in the heat exchanger to cool the discrete components. The discrete components are positioned in the vertical direction in the enclosure such that the first height of the heat density weighted average center along the vertical direction is below the second height of the vertical cooling average center of the heat exchanger.
A power electronics based system using natural, convection cooling, includes an enclosure housing a plurality of discrete components distributed in a vertical direction from a bottom portion to a top portion of the enclosure and having a heat density weighted average center at a first height along the vertical direction. There is a heat exchanger adjacent to the enclosure, including an inlet port and an outlet port in fluid communication with the enclosure. The heat exchanger has a vertical cooling average center at a second height. There is a cooling fluid disposed in the enclosure and in the heat exchanger to cool the discrete components. The discrete components are positioned in the vertical direction in the enclosure such that the first height of the heat density weighted average center along the vertical direction is below the second height of the vertical cooling average center of the heat exchanger.
A static synchronous compensator includes at least one converter pole for producing a first phase of an AC voltage waveform having a fundamental cycle. The first phase of the AC voltage waveform includes alternating converter pole charging and discharging regions in each fundamental cycle. The at least one converter pole includes a plurality of cascaded H-bridge cells, each having a DC voltage source and a plurality of switches. The switches are capable of being switched to produce a plurality of switching states. There is a controller configured to control the switching states of the plurality of switches of each of the cascaded H-bridge cells based on the voltages of DC voltage sources of the H-bridge cells and on whether the AC waveform is in the converter pole charging region or the converter pole discharging region.
H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
H02M 7/537 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
H02M 7/483 - Converters with outputs that each can have more than two voltage levels
H02J 3/18 - Arrangements for adjusting, eliminating or compensating reactive power in networks
09 - Scientific and electric apparatus and instruments
Goods & Services
Superconductor electric/electrical wires; reels for superconductor electric wires; superconductor electric coils; electrical power converters; synchronous condensers; superconductor electrical current conductors; electrical power storage and power quality equipment and systems, namely, voltage restorers used for utility voltage regulation; electrical power quality equipment and systems, namely, reactive power compensation systems used to provide voltage regulation for utility transmission and distribution systems; voltage restorers primarily used for voltage sag protection for commercial and industrial facilities and/or critical loads; electrical power quality equipment and systems for use in transmission and distribution power grid applications, namely, synchronous condensers capable of generating or absorbing reactive power used to ensure reliable flow of electricity through AC power grids
33.
HIGH TEMPERATURE SUPERCONDUCTOR WIRE BUNDLING SYSTEM AND METHOD
A system for bundling a plurality of high temperature superconductor tapes into a flexible cable, includes a first alignment device for receiving and guiding there through the plurality of high temperature superconductor tapes, each of the tapes arranged with a wide surface oriented at a first angle. There is a second alignment device for receiving and guiding there through the plurality of high temperature superconductor tapes, each of said tapes arranged with the wide surface oriented at a second angle. The first angle is transverse to the second angle and plastically deforms the tapes to impart a twist pitch in the tapes. There is a forming member spaced from the second alignment device for receiving the plurality of high temperature superconductor tapes with the imparted twist pitch and forming them into a bundle of high temperature superconductor tapes of the high temperature superconductor tapes with the imparted twist pitch.
A system for bundling a plurality of high temperature superconductor tapes into a flexible cable, includes a first alignment device for receiving and guiding there through the plurality of high temperature superconductor tapes, each of the tapes arranged with a wide surface oriented at a first angle. There is a second alignment device for receiving and guiding there through the plurality of high temperature superconductor tapes, each of said tapes arranged with the wide surface oriented at a second angle. The first angle is transverse to the second angle and plastically deforms the tapes to impart a twist pitch in the tapes. There is a forming member spaced from the second alignment device for receiving the plurality of high temperature superconductor tapes with the imparted twist pitch and forming them into a bundle of high temperature superconductor tapes of the high temperature superconductor tapes with the imparted twist pitch.
A method for producing a long length high temperature superconductor wire, includes providing a substrate, having a surface with a length of at least 50 meters and a width. The surface supports a biaxially textured high temperature superconducting layer and the biaxially textured high temperature superconducting layer has a length and a width corresponding to the length and width of the surface of the substrate. The method includes irradiating the biaxially textured high temperature superconductor layer with an ion beam impinging uniformly along the length and across the width of the biaxially textured high temperature superconductor layer to produce a uniform distribution of pinning microstructures in the biaxially textured high temperature superconductor layer.
A method for producing a long length high temperature superconductor wire is proposed which includes irradiating a biaxially textured high temperature superconductor layer formed on a substrate having a length of at least 50 meters with an ion beam impinging uniformly along the length and across the width of the superconductor layer to produce a uniform distribution of pinning microstructures therein. Preferably, a REBCO coated conductor tape is irradiated with Au ions in a reel-to-reel apparatus.
09 - Scientific and electric apparatus and instruments
Goods & Services
Superconductor electric/electrical wires; reels for superconductor electric wires; superconductor electric coils; electrical power converters; synchronous condensers; superconductor electrical current conductors; electrical power storage and power quality equipment and systems, namely, voltage restorers used for utility voltage regulation; electrical power quality equipment and systems, namely, reactive power compensation systems used to provide voltage regulation for utility transmission and distribution systems, voltage restorers primarily used for voltage sag protection for commercial and industrial facilities and/or critical loads, electrical power quality equipment and systems for use in transmission and distribution power grid applications, namely, synchronous condensers capable of generating or absorbing reactive power used to ensure reliable flow of electricity through AC power grids
09 - Scientific and electric apparatus and instruments
Goods & Services
Superconductor electric/electrical wires; reels for superconductor electric wires; superconductor electric coils; electrical power converters; synchronous condensers; superconductor electrical current conductors; electrical power storage and power quality equipment and systems, namely, voltage restorers used for utility voltage regulation; electrical power quality equipment and systems, namely, reactive power compensation systems used to provide voltage regulation for utility transmission and distribution systems, voltage restorers primarily used for voltage sag protection for commercial and industrial facilities and/or critical loads, electrical power quality equipment and systems for use in transmission and distribution power grid applications, namely, synchronous condensers capable of generating or absorbing reactive power used to ensure reliable flow of electricity through AC power grids
09 - Scientific and electric apparatus and instruments
Goods & Services
[ Superconductor electric/electrical wires; reels for superconductor electric wires and coils; ] electrical power converters [; superconductor electrical current conductors; electrical power storage and power quality equipment and systems, namely, voltage restorers used for utility voltage regulation; voltage restorers primarily used for voltage sag protection for commercial and industrial facilities and/or critical loads; electrical power quality equipment and systems for use in transmission and distribution power grid applications, namely, static VAR compensators (SVCs) ]
A method for cooling high temperature superconducting (HTS) cable comprising receiving a first flow of coolant at a first section of HTS cable and permitting the first flow of coolant to flow therethrough. The method also includes receiving a second flow of coolant at a second section of HTS cable and permitting the second flow of coolant to flow therethrough. The first section of HTS cable and said second section of HTS cable are coupled via a cable joint, the cable joint electrically connecting the first and second sections of HTS cable. The cable joint is in fluid communication with at least one refrigeration module. The cable joint includes at least one conduit configured to permit a third flow of coolant between the cable joint and the at least one refrigeration module through a coolant line separate from the first and second sections of HTS cable.
H01B 12/00 - Superconductive or hyperconductive conductors, cables or transmission lines
H01L 39/00 - Devices using superconductivity or hyperconductivity; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof
H01B 12/16 - Superconductive or hyperconductive conductors, cables or transmission lines characterised by cooling
H01L 39/02 - Devices using superconductivity or hyperconductivity; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof - Details
A cooling system includes a first section of high temperature superconducting (HTS) cable configured to receive a first flow of coolant and to permit the first flow of coolant to flow therethrough. The system may further include a second section of high temperature superconducting (HTS) cable configured to receive a second flow of coolant and to permit the second flow of coolant to flow therethrough. The system may further include a cable joint configured to couple the first section of HTS cable and the second section of HTS cable. The cable joint may be in fluid communication with at least one refrigeration module and may include at least one conduit configured to permit a third flow of coolant between said cable joint and said at least one refrigeration module through a coolant line separate from said first and second sections of HTS cable. Other embodiments and implementations are also within the scope of the present disclosure.
H01B 12/00 - Superconductive or hyperconductive conductors, cables or transmission lines
H01L 39/00 - Devices using superconductivity or hyperconductivity; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof
H01B 12/16 - Superconductive or hyperconductive conductors, cables or transmission lines characterised by cooling
H01L 39/02 - Devices using superconductivity or hyperconductivity; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof - Details
A cable connected to a power supply (5) includes a plurality of bundles (50) of insulated electrical conductors, each bundle having a first conductor (52), a second conductor (54), and a third conductor (56) in a layered configuration. The first conductor of each bundle is connected in parallel to the first conductor of the remaining bundles, the second conductor of each bundle is connected in parallel to the second conductor of the remaining bundles, and the third conductor of each bundle is connected in parallel to the third electrical conductor of the remaining bundles. In addition, the direction or phase of the current within the first, second and third electrical conductors is controlled so that a magnetic field generated in response to currents flowing within the bundle is zero as seen at a plane oriented transverse to an electrical conduction direction of the cable and located between the ends of the cable.
A rotating machine includes a stator and a rotor configured to rotate within the stator. Rotor windings are supported in the rotor and are formed of a laminated electrical conductor in a single-layer saddle coil configuration. The conductor includes a first support lamina, a second support lamina, an insert including a high temperature superconductor disposed between the first and second support lamina, and a filler material surrounding the insert that bonds the insert to each of the first and second support lamina. At the location between the first support lamina and second support lamina corresponding to the location of the insert, the width dimension of the filler material on each side of the insert is at least 10 percent of a width of the conductor. The conductor is configured to carry at least 600 Amperes per turn and have a C-axis tensile strength of at least 21 MPa.
A cable includes a plurality of bundles of insulated electrical conductors, each bundle having a first conductor, a second conductor, and a third conductor in a layered configuration. The first conductor of each bundle is connected in parallel to the first conductor of the remaining bundles, the second conductor of each bundle is connected in parallel to the second conductor of the remaining bundles, and the third conductor of each bundle is connected in parallel to the third electrical conductor of the remaining bundles. In addition, within each bundle, the first, second and third electrical conductors are configured so that a magnetic field generated in response to currents flowing within the bundle is zero as seen at a plane oriented transverse to an electrical conduction direction of the cable and located between the ends of the cable.
H01B 7/00 - Insulated conductors or cables characterised by their form
H01B 12/02 - Superconductive or hyperconductive conductors, cables or transmission lines characterised by their form
H01B 7/30 - Insulated conductors or cables characterised by their form with arrangements for reducing conductor losses when carrying AC, e.g. due to skin effect
47.
WIDE ELECTRICAL CONDUCTOR HAVING HIGH C-AXIS STRENGTH
A rotating machine includes a stator and a rotor configured to rotate within the stator. Rotor windings are supported in the rotor and are formed of a laminated electrical conductor in a single-layer saddle coil configuration. The conductor includes a first support lamina, a second support lamina, an insert including a high temperature superconductor disposed between the first and second support lamina, and a filler material surrounding the insert that bonds the insert to each of the first support lamina and the second support lamina. At the location between the first support lamina and second support lamina corresponding to the location of the insert, the width dimension of the filler material on each side of the insert is at least 10 percent of a width of the conductor. The conductor is configured to carry at least 600 Amperes per turn and have a C-axis tensile strength of at least 21 MPa.
A cooling system includes a first section of high temperature superconducting (HTS) cable configured to receive a first flow of coolant and to permit the first flow of coolant to flow therethrough. The system may further include a second section of high temperature superconducting (HTS) cable configured to receive a second flow of coolant and to permit the second flow of coolant to flow therethrough. The system may further include a cable joint configured to couple the first section of HTS cable and the second section of HTS cable. The cable joint may be in fluid communication with at least one refrigeration module and may include at least one conduit configured to permit a third flow of coolant between said cable joint and said at least one refrigeration module through a coolant line separate from said first and second sections of HTS cable.
H01L 39/00 - Devices using superconductivity or hyperconductivity; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof
H01B 12/00 - Superconductive or hyperconductive conductors, cables or transmission lines
H01B 12/16 - Superconductive or hyperconductive conductors, cables or transmission lines characterised by cooling
An apparatus for generating electricity from wind includes a wind-driven rotor; a transformer; a squirrel-cage induction generator, and a grid clutch. The squirrel cage induction generator includes a squirrel cage rotor driven by the wind-driven rotor for providing power to a utility grid via the transformer. The grid clutch disengages the squirrel-cage induction generator from the grid in response to a voltage sag and controls a speed of the squirrel-cage rotor during the voltage sag.
F03D 9/00 - Adaptations of wind motors for special useCombinations of wind motors with apparatus driven therebyWind motors specially adapted for installation in particular locations
H02P 9/00 - Arrangements for controlling electric generators for the purpose of obtaining a desired output
H02P 9/46 - Control of asynchronous generator by variation of capacitor
A method for providing electric power to a power system includes receiving, at a slave node of a power converter having a plurality of slave nodes, a first synchronization signal via a first communication channel, the first synchronization signal purporting to represent a master timing characteristic of a master control node of the converter; receiving, at the slave node of the converter, a second synchronization signal via a second communication channel, the second synchronization signal purporting to represent a master timing characteristic of the master control node of the converter; synchronizing an internal timing characteristic of the slave control node with the master timing characteristic of the master control node using the first synchronization signal; determining that the first synchronization signal is invalid; and synchronizing an internal timing characteristic of the slave control node with the master timing characteristic of the master control node using the second synchronization signal.
H02P 5/60 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling combinations of DC and AC dynamo-electric motors
H04L 12/43 - Loop networks with decentralised control with synchronous transmission, e.g. time division multiplex [TDM], slotted rings
G06F 11/16 - Error detection or correction of the data by redundancy in hardware
G06F 11/20 - Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
51.
OFFSHORE FOUNDATION STRUCTURE WITH HULL FOR WIND TURBINES
An offshore foundation structure (FS) for wind turbines, comprising: a hull structure (HS) defining a self-supporting formwork and an inner structure (IS) in the interior of the hull structure (HS) including a concrete structure and a structure (RS1) at least partially embedded in the durable concrete structure and configured to reinforce the hull structure.
E02B 17/02 - Artificial islands mounted on piles or like supports, e.g. platforms on raisable legsConstruction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
F03D 1/00 - Wind motors with rotation axis substantially parallel to the air flow entering the rotor
The present invention provides a bearing arrangement (113), comprising: a first bearing (116) having a first outer and inner ring (200, 202), wherein a plurality of tapered rollers (204) rides between an inner surface (201) of the first outer ring (200) and an outer surface (203) of the first inner ring (202); and a second bearing (118) having a second outer and inner ring (220, 222), wherein a plurality of tapered rollers (224) rides between an inner surface (221) of the second outer ring (220) and an outer surface (223) of the second inner ring (222); wherein the first and second bearing (116, 118) are arranged coaxially on a centerline (212); and wherein a first pressure line (206) normal to the inner surface (201) of the first outer ring (200) intersects a line (210) normal to the centerline (212) at a first angle (a) and a second pressure line (226) normal to the inner surface (221) of the second outer ring (220) intersects a line (230) normal to the centerline (212) at a second angle (β) different from the first angle (α).
F16C 19/38 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
F16C 19/36 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
F03D 11/00 - Details, component parts, or accessories not provided for in, or of interest apart from, the other groups of this subclass
F16C 35/12 - Rigid support of bearing unitsHousings, e.g. caps, covers for spindles with ball or roller bearings
53.
WIND TURBINE TOWER AND METHOD OF FABRICATING A WIND TURBINE TOWER
A wind turbine tower and a method of fabricating a wind turbine tower are provided. The wind turbine tower comprises a hollow body (B) formed of a plurality of stacked segmented rings (SR1, SR2, SR3) of wooden panels (S11-S16; S11'-S16'), said hollow body (B) having a channel (CH) formed therethrough; a support profile (PS; PS') disposed below the hollow body (B); a top profile (PT) disposed above the hollow body (B); and a tensioning mechanism (C; C) guided through the channel (CH) and attached under tension to said support profile (PS; PS') and to said top profile (PT) to pretension said stacked segmented rings (SR1, SR2, SR3).
A system for braking a generator includes a torque compensation device configured to store energy received from the generator; and a controller configured to control the torque compensation device to dissipate the stored energy such that a torque exerted by the generator is nondiscontinuously decreased from a first level to a second level lower than the first level.
H02P 9/00 - Arrangements for controlling electric generators for the purpose of obtaining a desired output
H02P 9/10 - Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load
A wind power plant includes a turbine rotor and a drive shaft that is fixed to the turbine rotor and rotatably supported by drive shaft support bearings on a tower. The wind power plant further includes a first direct-drive generator including a first generator rotor connected to and driven by the drive shaft, and a second direct-drive generator including a second generator rotor connected to and driven by the drive shaft. The first generator is disposed on one side of the tower, and the second generator is disposed on an opposed side of the tower, and the drive shaft support bearings are located between the first and second generators.
F03D 9/00 - Adaptations of wind motors for special useCombinations of wind motors with apparatus driven therebyWind motors specially adapted for installation in particular locations
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
56.
Mitigating the effects of defects in high temperature semiconductor wires
A method includes locating a defect in a first segment of high temperature superconducting wire. A second segment of high temperature superconducting wire is then positioned onto the first segment of high temperature superconducting wire such that the second segment of high temperature superconducting wire overlaps the defect. A path is then created such that current flows through the second segment of high temperature superconducting wire. The first segment of high temperature superconducting wire and second segment of high temperature superconducting wire are then laminated together.
A method includes locating a defect (202) in a first segment of high temperature superconducting wire (200). A second segment of high temperature superconducting wire (310) is then positioned onto the first segment of high temperature superconducting wire such that the second segment of high temperature superconducting wire overlaps the defect. A path is then created such that current flows through the second segment of high temperature superconducting wire. The first segment of high temperature superconducting wire and second segment of high temperature superconducting wire are then laminated together.
09 - Scientific and electric apparatus and instruments
16 - Paper, cardboard and goods made from these materials
42 - Scientific, technological and industrial services, research and design
45 - Legal and security services; personal services for individuals.
Goods & Services
Wind turbines. Superconductor electric/electrical wires; electrical power
converters; HTS (high temperature superconductor) power
cables; superconductor electrical current conductors;
electrical power storage and power quality equipment and
systems, namely, voltage restorers used for utility voltage
regulation; voltage restorers primarily used for voltage sag
protection for commercial and industrial facilities and/or
critical loads; electrical power quality equipment and
systems for use in transmission and distribution power grid
applications; power conversion system comprised of power
electronic converters, photovoltaic inverters,
micro-computer hardware, electronic controllers for use with
power converters, and embedded computers operating firmware
and software for use therewith, all for use in a solar power
plant; apparatus and instruments for conducting, switching,
transforming, accumulating, regulating and controlling
electricity; electric and electronic controls for wind
turbines and components thereof. Drawings and plans of wind turbines and components thereof. Scientific research and technological consultation in the
technology field of wind turbines and components thereof;
design for others in the field of wind turbines and
components thereof; design and development of computer
hardware and software, with regard to wind turbines and
components thereof. Licensing of patents, technology and intellectual property
in the field of wind turbine and their parts and components,
apparatus and instruments for conducting, switching,
transforming, accumulating, regulating and controlling
electricity, electronic components for wind turbines, and
drawings and plans for wind turbines and components thereof.
A method of controlling a static VAR compensator includes providing a static VAR compensator having a capacitive component and a thyristor for switching the capacitive component into and out of a power distribution network; monitoring an electrical characteristic associated with the capacitive component; and controlling operation of the thyristor at least in part on the basis of the electrical characteristic associated with the capacitive component.
An apparatus for power conversion includes an inverter; a converter configurable to function as a DC voltage booster; and a controller for selectively causing the converter to provide a boosted DC voltage to the inverter.
H02M 7/493 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode the static converters being arranged for operation in parallel
H02M 1/10 - Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from AC or DC
A power plant for providing electric power to a power grid includes energy sources; power conditioning units and a controller configured to cause power provided to the grid to have selected electrical characteristics. The controller is in high speed real-time communication with the power conditioning units and programmed to provide instructions to the power conditioning units.
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
H02J 3/16 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
H02J 3/18 - Arrangements for adjusting, eliminating or compensating reactive power in networks
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
09 - Scientific and electric apparatus and instruments
16 - Paper, cardboard and goods made from these materials
42 - Scientific, technological and industrial services, research and design
45 - Legal and security services; personal services for individuals.
Goods & Services
(1) Superconductor electric/electrical wires; electrical power storage and power quality equipment and systems, namely, voltage restorers used for utility voltage regulation; voltage restorers primarily used for voltage sag protection for commercial and industrial facilities and critical loads; electrical power quality equipment and systems for use in transmission and distribution power grid applications for switching reactive loads into and out of the power grid as necessary to improve power quality.
(2) Wind turbines.
(3) Superconductor electric/electrical wires; electrical power converters; HTS (high temperature superconductor) power cables; superconductor electrical current conductors; electrical power storage and power quality equipment and systems, namely, voltage restorers used for utility voltage regulation; voltage restorers primarily used for voltage sag protection for commercial and industrial facilities and critical loads; electrical power quality equipment and systems for use in transmission and distribution power grid applications for switching reactive loads into and out of the power grid as necessary to improve power quality; power conversion system comprised of power electronic converters, photovoltaic inverters, micro-computer hardware, electronic controllers for use with power converters, and embedded computers operating firmware and software for use therewith, all for use in a solar power plant; electric and electronic controls for wind turbines and components thereof.
(4) Drawings and plans of wind turbines and components thereof. (1) Scientific research and technological consultation in the technology field of wind turbines and components thereof; design for others in the field of wind turbines and components thereof; design and development of computer hardware and software, with regard to wind turbines and components thereof.
(2) Licensing of patents, technology and intellectual property in the field of wind turbine and their parts and components, apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity, electronic components for wind turbines, and drawings and plans for wind turbines and components thereof.
A power plant for providing electric power to a power grid includes energy sources; power conditioning units and a controller configured to cause power provided to the grid to have selected electrical characteristics. The controller is in high speed real-time communication with the power conditioning units and programmed to provide instructions to the power conditioning units.
G05D 17/00 - Control of torqueControl of mechanical power
G05F 5/00 - Systems for regulating electric variables by detecting deviations in the electric input to the system and thereby controlling a device within the system to obtain a regulated output
F03D 9/00 - Adaptations of wind motors for special useCombinations of wind motors with apparatus driven therebyWind motors specially adapted for installation in particular locations
H02P 9/04 - Control effected upon non-electric prime mover and dependent upon electric output value of the generator
64.
Low resistance splice for high temperature superconductor wires
Under one aspect, a laminated, spliced superconductor wire includes a superconductor joint, which includes (i) first and second superconductor wires, each wire including a substrate, a superconductor layer overlying the substrate, and a cap layer overlying the superconductor layer; and (ii) a conductive bridge, the conductive bridge including a substrate, a superconductor layer overlying the substrate, and a cap layer overlying the superconductor layer, wherein the cap layer of the conductive bridge is in electrically conductive contact with a portion of the cap layer of each of the first and second superconductor wires through an electrically conductive bonding material. The spliced wire also includes (b) a stabilizer structure surrounding at least a portion of the superconductor joint, wherein the superconductor joint is in electrical contact with the stabilizer structure; and (c) a substantially nonporous electrically conductive filler, wherein the filler substantially surrounds the superconductor joint.
The present disclosure generally relates to a superconducting power grid having one or more AC/DC converters. The superconducting grid may further include one or more pairs of superconducting DC cables connecting each AC/DC converter. Each pair of superconducting DC cables may include a first positive polarity cable and a first negative polarity cable. The grid may also include at least one switching device configured to operatively connect at least one of the first and second AC/DC converters with at least one of the pairs of superconducting DC cables, the switching device further configured to adjust the polarity of at least one of the polarity cables. Other embodiments and implementations are also within the scope of the present disclosure.
A high-temperature superconductor layer arrangement includes at least one substrate and one textured buffer layer made of oxidic material. The buffer layer displays at least one further constituent forming a homogeneous mixed-crystal layer. The further constituent is a transition metal from the first subgroup and/or forming at least a partial melt with the oxidic buffer material at an annealing temperature of ≦1,600 degrees Celsius. The further constituent can particularly be copper and/or silver.
A stator assembly for use in a superconducting generator operated at frequencies up to 10 Hz is disclosed. The stator assembly includes a ferromagnetic stator winding support having a plurality of teeth defining slots, the slots configured to receive and support stator windings. The stator winding support is formed so that the ratio of the sum of the widths of the slots to the sum of the widths of the teeth and slots is in the range of 0.65 to 0.90.
A method of controlling a static VAR compensator includes providing a static VAR compensator having a reactive component and a thyristor for switching the reactive component into and out of a power distribution network; monitoring a periodic waveform on the power distribution network and controlling operation of the thyristor on the basis of the harmonic frequency content of the waveform.
An article including a substrate and a layer of a homogeneous metal-oxyfluoride intermediate film disposed on the substrate, the intermediate film containing a rare earth metal, an alkaline earth metal, and a transition metal. The intermediate film has a defect density less than 20 percent and, upon thermal treatment, is capable of converting to a homogeneous rare earth metal-alkaline earth metal-transition metal-oxide superconductor film with a stoichiometric thickness greater than 1 μm μand up to 5 μm. Also disclosed is another article including a substrate and the homogeneous superconductor film with a stoichiometric thickness greater than 1 μm and up to 5 μm. Further, methods of making these two articles are described.
H01L 39/24 - Processes or apparatus specially adapted for the manufacture or treatment of devices provided for in group or of parts thereof
C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
09 - Scientific and electric apparatus and instruments
Goods & Services
Superconductor electric/electrical wires; electrical power converters; HTS (high temperature superconductor) power cables; superconductor electrical current conductors; electrical power storage and power quality equipment and systems, namely, voltage restorers used for utility voltage regulation; voltage restorers primarily used for voltage sag protection for commercial and industrial facilities and/or critical loads; electrical power quality equipment and systems for use in transmission and distribution power grid applications; power conversion system comprised of power electronic converters, photovoltaic inverters, micro-computer hardware, electronic controllers for use with power converters, and embedded computers operating firmware and software for use therewith, all for use in a solar power plant; apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity; electric and electronic controls for wind turbines and components thereof
A method for retro-fitting wind-energy conversion system includes disconnecting a first set of multiple windings from active circuitry; shorting together the first set of multiple windings; and connecting a second set of multiple windings to the active circuitry.
F03D 9/00 - Adaptations of wind motors for special useCombinations of wind motors with apparatus driven therebyWind motors specially adapted for installation in particular locations
H02P 9/02 - Arrangements for controlling electric generators for the purpose of obtaining a desired output Details
H02P 9/42 - Arrangements for controlling electric generators for the purpose of obtaining a desired output to obtain desired frequency without varying speed of the generator
An article including a substrate and a layer of a homogeneous metal-oxyfluoride intermediate film disposed on the substrate, the intermediate film containing a rare earth metal, an alkaline earth metal, and a transition metal. The intermediate film has a defect density less than 20 percent and, upon thermal treatment, is capable of converting to a homogeneous rare earth metal-alkaline earth metal-transition metal-oxide superconductor film with a stoichiometric thickness greater than 1 μm and up to 5 μm. Also disclosed is another article including a substrate and the homogeneous superconductor film with a stoichiometric thickness greater than 1 μm and up to 5 μm. Further, methods of making these two articles are described.
A direct-drive power train of a wind power plant is disclosed. The power train includes a turbine rotor including a hub and blades supported on the hub, and a generator including a stator and a generator rotor rotatably disposed within the stator. The generator rotor includes a generator rotor body, a rotor shaft, and a torque limiting device connecting the generator rotor body to the rotor shaft. The torque limiting device is configured to support the generator rotor body within the stator and allow coaxial rotation of the rotor body relative to the stator. The hub and the generator rotor are connected by the rotor shaft, and the rotor shaft rotates at the same frequency as the hub.
A power electronic assembly includes a pair of thermally and electrically conductive plates, and semiconductor switching elements positioned between contact surfaces of the pair of conductive plates. A first of the semiconductor switching elements is positioned at a first region of the conductive plates, and a second of the semiconductor switching elements positioned at a second region of the conductive plates. At least one of the conductive plates includes an aperture positioned between the first region and the second region of the conductive plates, such that in a compressed state, a contact surface of the conductive plate associated with the first region is substantially parallel to and offset from that of the second region in a direction parallel to the direction of compression.
H01L 23/40 - Mountings or securing means for detachable cooling or heating arrangements
H01L 23/44 - Arrangements for cooling, heating, ventilating or temperature compensation the complete device being wholly immersed in a fluid other than air
A direct-drive power train of a wind power plant is protected from over-torque by a torque limiting device. The power train includes a turbine rotor including a hub and blades supported on the hub, and a generator including a stator and a generator rotor rotatably disposed within the stator. The generator rotor includes a generator rotor body, a rotor shaft, and the torque limiting device connects the generator rotor body to the rotor shaft. The torque limiting device is configured to support the generator rotor body within the stator and allow coaxial rotation of the rotor body relative to the stator. The hub and the generator rotor are connected by the rotor shaft, and the rotor shaft rotates at the same frequency as the hub.
A cryogenically-cooled HTS cable is configured to be included within a utility power grid having a maximum fault current that would occur in the absence of the cryogenically-cooled HTS cable. The cryogenically-cooled HTS cable includes a continuous liquid cryogen coolant path for circulating a liquid cryogen. A continuously flexible arrangement of HTS wires has an impedance characteristic that attenuates the maximum fault current by at least 10%. The continuously flexible arrangement of HTS wires is configured to allow the cryogenically-cooled HTS cable to operate, during the occurrence of a maximum fault condition, with a maximum temperature rise within the HTS wires that is low enough to prevent the formation of gas bubbles within the liquid cryogen.
H01B 12/02 - Superconductive or hyperconductive conductors, cables or transmission lines characterised by their form
H01B 12/00 - Superconductive or hyperconductive conductors, cables or transmission lines
H01L 39/24 - Processes or apparatus specially adapted for the manufacture or treatment of devices provided for in group or of parts thereof
H02H 7/00 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
In a general aspect, a power conversion system includes a power converter, a transformer, and a voltage adjustment device. The power converter is configured to receive a variable DC power generated by a power generation device and to convert the received DC power to AC power at a first voltage. The transformer is configured to receive the AC power from the power converter and to deliver AC power at a second voltage to a utility power network. The voltage adjustment device is configured to adjust the first voltage to a target value determined on the basis of a voltage of the DC power.
An apparatus for harvesting solar power includes a photovoltaic array for generating a DC voltage; a discharge circuit for causing the DC voltage to decay from a first value to a second value; and an inverter circuit for transforming an output voltage from the discharge circuit into an AC voltage.
H02M 7/5387 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
79.
FOUNDATION FIXING UNIT, WIND ENERGY CONVERTER, AND METHOD FOR FIXING A TOWER OF A WIND ENERGY CONVERTER ONTO A FOUNDATION
Some general aspects of the invention provide a foundation fixing unit (202, 204, 400) for fixing a tower (108) of a wind energy converter (100) onto a foundation (110). The unit comprises a fixation plate (202) fixable to the foundation (110), walls forming at least one tower fixation hole (300) in the intermediate plate (202) for passing a tower fixation bolt (220) through the fixation plate (202) in order to fix the tower (108) to the fixation plate (202), a tower fixation nut (400) arranged below the at least one tower fixation hole (300) for receiving a threaded portion of the tower fixation bolt (220) and a nut cage (204) holding the tower fixation nut (400), the nut cage (204) being attached to a bottom surface (222) of the fixation plate (202). Under further aspects, the invention provides a wind energy converter tower comprising the foundation fixing unit (202, 204, 400) and a method for fixing a wind energy converter tower onto a foundation.
A support module (100,102,104) is provided for use in a rotor assembly (60) of a rotating machine (10). The support module (100) is disposed on the rotor body, supports high temperature superconductor rotor windings (64) within the rotor assembly, and thermally decouples the cold portions of the rotor assembly, including windings and support tube (68), from the ambient temperature rotor body and drive shaft (90). The support module includes a frame (120) disposed on the rotor body, a support block connected to the rotor winding and suspended within the frame, and thermally nonconductive straps (160) extending from each of a pair of opposed sides of the support block to the frame, the straps suspending the support block within the frame.
A stator assembly (100) for use in a superconducting generator (10) operated at frequencies up to 10 Hz is disclosed. The stator assembly includes a ferromagnetic stator winding support (102) having a plurality of teeth (112) defining slots (114), the slots configured to receive and support stator windings (130). The stator winding support is formed so that the ratio of the sum of the widths of the slots to the sum of the widths of the teeth and slots is in the range of 0.65 to 0.90.
A system and method are described for detecting failures of switches (200) in a switching network (114) including a plurality of switches. The sensing circuit (120) includes a plurality of detecting networks (206), the plurality of detecting networks being fewer than the plurality of switches, each detecting network providing signals indicative of a failure of at least one of the switches.
This invention provides a cable suspension arrangement for a wind energy converter, a corresponding mounting method and a corresponding spacer plate. The cable suspension arrangement comprises a first suspension means (Hl, H2) for suspending the first plurality of cables (Ll, L2) at the nacelle (3); a second suspension means (100) which is attachable to the nacelle (3); a second plurality of spacer plates (130, 131, 132, 133; 130, 131', 132 ', 133) each including a suspension hole (I; I') and each including a third plurality of cable through-holes (Vl); wherein the second suspension means (100) is led through the suspension holes (I; I'); a fixing means (33c, 33b; 33c) for fixing the spacer plates (130, 131, 132, 133; 130, 131', 132', 133) at different positions on the second suspension means (100) such that they can at least not lower their respective position; wherein the cables (Ll, L2) can be slidably led through the through-holes (Vl).
Some general aspects of the invention provide a method for operating a wind energy converter having a variable-ratio gear system (906, 172-178) mechanically coupled between a rotor (102) and a generator (104), wherein the variable- ratio gear system (906, 172-178) includes a first transmission unit (174) coupled to a first shaft (168) and a second transmission unit (172) coupled' to a second shaft (165). The method comprises adjusting the variable-ratio gear system (906, 172-178) to a first gear ratio at which the first shaft (168) substantially does not rotate; determining a wind speed (300) or a related parameter (n, P, p); detecting whether the wind speed (300) or the related parameter (n, P, p) has crossed a first threshold value (310) in a first direction; and adjusting the variable-ratio gear system(906, 172-178), when the wind speed (300) or the related parameter (n, P, p) has crossed the first threshold value (310) in the first direction, to a second gear ratio at which the second shaft (165) substantially does not rotate. Under further aspects, the invention provides a control device (190) for a wind energy converter having a variable-ratio gear system and a wind energy converter comprising the control device (190).
F03D 11/02 - Transmission of power, e.g. using hollow exhausting blades
F16H 47/04 - Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
F03D 9/00 - Adaptations of wind motors for special useCombinations of wind motors with apparatus driven therebyWind motors specially adapted for installation in particular locations
This invention provides a nacelle of a wind energy converter and a corresponding mounting method of a nacelle of a wind energy converter and a generator for a wind energy converter. The nacelle includes a main frame; a generator including a stator and a rotor; a generator housing attached to the main frame and at least partially enclosing the stator and a rotor space; wherein the generator housing (20; 20') has a first and second side face (S1, S2); wherein the first side face (S1) of the generator housing (20; 20') exposes the rotor space (21); and a flange rotatably supported on the main frame and having a first end which is connected to the rotor; wherein the rotor extends into the rotor space (25) from the first side face (S1) without being supported in the generator housing.
F03D 1/00 - Wind motors with rotation axis substantially parallel to the air flow entering the rotor
F03D 9/00 - Adaptations of wind motors for special useCombinations of wind motors with apparatus driven therebyWind motors specially adapted for installation in particular locations
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
90.
GENERATOR, NACELLE, AND MOUNTING METHOD OF A NACELLE OF A WIND ENERGY CONVERTER
An apparatus for wind energy conversion includes a nacelle having a main frame, the main frame having a lower part and an upper part joined to the lower part, the upper part having a first strap extending across the lower part; a stator disposed within the nacelle; a rotor disposed within the nacelle; a mounting surface attached to the main frame and defining a rotor space, the mounting surface having a first side-face that exposes the rotor space; and a flange rotatably supported on the main frame and including a first end connected to the rotor. The rotor is cantilevered from the flange into the rotor space from the first side face.
F03D 11/00 - Details, component parts, or accessories not provided for in, or of interest apart from, the other groups of this subclass
F03D 9/00 - Adaptations of wind motors for special useCombinations of wind motors with apparatus driven therebyWind motors specially adapted for installation in particular locations
F03D 1/00 - Wind motors with rotation axis substantially parallel to the air flow entering the rotor
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Superconductor electric/electrical wires; reels for superconductor electric wires; electrical power converters; synchronous condensers; superconductor electrical current conductors; electrical power storage and power quality equipment and systems, namely, voltage restorers used for utility voltage regulation; voltage restorers primarily used for voltage sag protection for commercial and industrial facilities and/or critical loads; electrical power quality equipment and systems for use in transmission and distribution power grid applications, namely, synchronous condensers capable of generating or absorbing reactive power used to ensure reliable flow of electricity through AC power grids.
93.
Parallel connected HTS utility device and method of using same
A method of controlling fault currents within a utility power grid is provided. The method may include coupling a superconducting electrical path between a first and a second node within the utility power grid and coupling a non-superconducting electrical path between the first and second nodes within the utility power grid. The superconducting electrical path and the non-superconducting electrical path may be electrically connected in parallel. The superconducting electrical path may have a lower series impedance, when operated below a critical current level, than the non-superconducting electrical path. The superconducting electrical path may have a higher series impedance, when operated at or above the critical current level, than the non-superconductor electrical path.
A support module is provided for use in a rotor assembly of a rotating machine. The support module is disposed on the rotor body, supports high temperature superconductor rotor windings within the rotor assembly, and thermally decouples the cold portions of the rotor assembly, including windings and support tube, from the ambient temperature rotor body and drive shaft. The support module includes a frame disposed on the rotor body, a support block connected to the rotor winding and suspended within the frame, and thermally non-conductive straps extending from each of a pair of opposed sides of the support block to the frame, the straps suspending the support block within the frame.
This invention provides a nacelle of a wind energy converter and a corresponding mounting method of a nacelle of a wind energy converter and a generator for a wind energy converter. The nacelle includes a main frame; a generator including a stator and a rotor; a generator housing attached to the main frame and at least partially enclosing the stator and a rotor space; wherein the generator housing (20; 20′) has a first and second side face (S1, S2); wherein the first side face (S1) of the generator housing (20; 20′) exposes the rotor space (21); and a flange rotatably supported on the main frame and having a first end which is connected to the rotor; wherein the rotor extends into the rotor space (25) from the first side face (S1) without being supported in the generator housing.
F03D 9/00 - Adaptations of wind motors for special useCombinations of wind motors with apparatus driven therebyWind motors specially adapted for installation in particular locations
H02P 9/04 - Control effected upon non-electric prime mover and dependent upon electric output value of the generator
96.
Thick superconductor films with improved performance
A method for producing a thick film includes disposing a precursor solution onto a substrate to form a precursor film. The precursor solution contains precursor components to a rare-earth/alkaline-earth-metal/transition-metal oxide including a salt of a rare earth element, a salt of an alkaline earth metal, and a salt of a transition metal in one or more solvents, wherein at least one of the salts is a fluoride-containing salt, and wherein the ratio of the transition metal to the alkaline earth metal is greater than 1.5. The precursor solution is treated to form a rare earth-alkaline earth-metal transition metal oxide superconductor film having a thickness greater than 0.8 μm. precursor solution.
B05D 5/12 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a coating with specific electrical properties
H01L 39/24 - Processes or apparatus specially adapted for the manufacture or treatment of devices provided for in group or of parts thereof
A cooling system includes a first section of high temperature superconducting (HTS) cable configured to receive a first flow of coolant and to permit the first flow of coolant to flow therethrough. The system may further include a second section of high temperature superconducting (HTS) cable configured to receive a second flow of coolant and to permit the second flow of coolant to flow therethrough. The system may further include a cable joint configured to couple the first section of HTS cable and the second section of HTS cable. The cable joint may be in fluid communication with at least one refrigeration module and may include at least one conduit configured to permit a third flow of coolant between said cable joint and said at least one refrigeration module through a coolant line separate from said first and second sections of HTS cable. Other embodiments and implementations are also within the scope of the present disclosure.
A cooling system includes a first section of high temperature superconducting (HTS) cable configured to receive a first flow of coolant and to permit the first flow of coolant to flow therethrough. The system may further include a second section of high temperature superconducting (HTS) cable configured to receive a second flow of coolant and to permit the second flow of coolant to flow therethrough. The system may further include a cable joint configured to couple the first section of HTS cable and the second section of HTS cable. The cable joint may be in fluid communication with at least one refrigeration module and may include at least one conduit configured to permit a third flow of coolant between said cable joint and said at least one refrigeration module through a coolant line separate from said first and second sections of HTS cable. Other embodiments and implementations are also within the scope of the present disclosure.
A cooling system includes a first section of high temperature superconducting (HTS) cable configured to receive a first flow of coolant and to permit the first flow of coolant to flow therethrough. The system may further include a second section of high temperature super-conducting (HTS) cable configured to receive a second flow of coolant and to permit the second flow of coolant to flow therethrough. The system may further include a cable joint configured to couple the first section of HTS cable and the second section of HTS cable. The cable joint may be in fluid communication with at least one refrigeration module and may include at least one conduit configured to permit a third flow of coolant between said cable joint and said at least one refrigeration module through a coolant line separate from said first and second sections of HTS cable. Other embodiments and implementations are also within the scope of the present disclosure.
A two-sided joint for splicing two laminated wires together, while preserving the mechanical integrity of the wire is disclosed. The two-sided joint can splice two laminated HTS wires having tapered ends and includes a bottom strap and a top strap. Under one aspect, a laminated, spliced superconductor wire includes a superconductor joint, which includes first and second superconductor wires, each wire including a laminate layer, a substrate layer overlaying the laminate layer, a buffer layer overlaying the substrate layer, a superconductor layer overlaying the buffer layer, a gap layer overlaying the superconductor layer, and a laminate layer overlaying the gap layer, a first HTS strap in electrical connection with the second laminate layer of the first laminate wire and the second laminate layer of the second laminate wire, and a backing strap proximate to the first laminate layer.
