GE Vernova Technology Patente

The disclosure provides a system and method for separation and use of nitrogen from inlet air or flue gas, e.g., in a gas turbine (GT) engine (100). A system according to the disclosure includes a nitrogen separator (170) coupled to an ambient environment and configured to separate the ambient air into a nitrogen rich stream and a nitrogen reduced stream. A first conduit (124) is coupled to the nitrogen separator and configured to transmit the nitrogen reduced stream to an inlet of a GT engine. The nitrogen separator alternately can remove nitrogen from a flue gas.

Devices, systems, and methods for energy storage control cabinets supplying power to electrical devices may include an energy storage control cabinet with an uninterruptible power supply (UPS) including a battery backup and that receives a power supplied to the energy storage control cabinet; and one or more electrical control components powered by current from the UPS, each using two or fewer power conversions in the energy storage control cabinet of the power supplied to the energy storage control cabinet.

A system (10) includes an inlet portion (42) of a gas turbine system (18). The inlet portion (42) includes an inlet casing (110). The inlet casing (110) includes an inlet casing portion (118) and an additional inlet casing portion (116) removably coupled to the inlet casing portion (118). The inlet portion (42) also includes a bearing housing (112) having a bearing housing portion (152) disposed between the inlet casing portion (118) and the additional inlet casing portion (116). The bearing housing portion (152) is removably coupled to the inlet casing portion (118), and the bearing housing (112) is configured to house a bearing (158, 160) configured to at least partially support a rotor (60). The inlet portion (42) also includes a reinforcement assembly (114) extending axially between a surface (348) of the bearing housing portion (152) and a surface (172) of the additional inlet casing portion (116). The reinforcement assembly (114) is configured to transfer a rotor axial load from the bearing housing portion (152) to the additional inlet casing portion (116).

A battery energy storage system (BESS) control cabinet includes one or more electrical components powered by a power supply to the BESS control cabinet; and a universal power input front end separating the power supply from the one or more electrical components and able to convert, using a transformer, a power transformer, or an isolation transformer, the power supply from any voltage outside of an operating voltage of the one or more electrical components to the operating voltage of the one or more electrical components.

A system for an electric machine (10, 12) may include a fixture (162) including a fixture base (168) defining a first fixture tooth (172, 172a). A fastening void (178, 178a) is defined by the first fixture tooth. The fastening void may extend into the fixture base. A stator winding (22) defines an opening (206) therethrough. A coil carrier (164) defines a carrier body (190) and is configured to operably couple the stator winding to the fixture base.

Described herein are compositions, and more particularly to alloy compositions and articles formed with the alloy compositions. The alloy compositions are broadly applicable in applications requiring alloys with at least one of improved hardness stability, improved Charpy performance, and improved creep strength at higher operating temperatures.

The present invention relates to a medium- or high-voltage circuit breaker (10) comprising a first electric arcing contact (11) and a second electric arcing contact (12) that are axially movable relative to each other between an open position, where the arcing contacts are separated, and a closed position, where the arcing contacts (11, 12) are in contact. The circuit breaker (10) includes an auxiliary nozzle (22) made of a fluorocarbon polymer or of polyethylene, polyamide, polyimide, polyketone, polyacetal, polysulfone, polysulfur, which is connected to a support member (20) via a threaded connection (24). To prevent loosening caused by operational vibrations or shockwaves during arcing events, the threaded connection is equipped with an anti-loosening mechanism. Various embodiments of the anti-loosening means (25) are disclosed, including a compressible annular member (27) that increases friction between threads, spring-loaded pins (32) interacting with contour pockets (36), elastic ratchets (39) engaging with recesses (41), and an annular brim (47) cooperating with an annular protrusion (45). These mechanisms ensure that the auxiliary nozzle (22) remains securely attached to the support member (20) in a screw-in position, while allowing for easy assembly. The invention provides a robust, reliable connection between the auxiliary nozzle (22) and the support member (20), enhancing the performance and durability of the circuit breaker (10) under high mechanical and thermal stress conditions.

Described herein are compositions, and more particularly to alloy compositions and articles formed with the alloy compositions. The alloy compositions are broadly applicable in applications requiring alloys with at least one of improved hardness stability, improved Charpy performance, and improved creep strength at higher operating temperatures.

The disclosure provides a system and method for separation and use of oxygen from flue gas, e.g., from a gas turbine (GT) engine (100). A system according to the disclosure includes an oxygen separator(128) downstream from a gas turbine (GT) engine. The oxygen separator is configured to separate a flue gas from the GT engine into an oxygen rich stream and an oxygen reduced stream. A first conduit (130) is coupled to the oxygen separator and configured to transmit the separated oxygen rich stream to a power plant component (136).

Alloys, bond coatings formed from the alloys, and components including the alloys are disclosed. The alloys can include between approximately 20 atomic percent and approximately 30 atomic percent titanium (Ti), between approximately 35 atomic percent and approximately 55 atomic percent aluminum (Al), and a balance of niobium (Nb). Additionally, or alternatively, the alloys can include between approximately 1 atomic percent and approximately 10 atomic percent molybdenum (Mo), between approximately 1 atomic percent and approximately 7 atomic percent chromium (Cr), between approximately 1 atomic percent and approximately 20 atomic percent silicon (Si) and/or between approximately 1 atomic percent and approximately 5 atomic percent hafnium (Hf).

A tool (100) and method for separating shroud segments in a turbine. The tool includes: a stabilizing member (202) ; a pair of arms (200A,200B), each arm having a first end and a second end, wherein the first end of each arm is pivotally connected to the stabilizing member (202); a pivot member (218A,218B) extending from the second end of each arm; a linear actuator (206) pivotally coupled between the pair of arms at a central portion of each respective arm; and a pair of transfer plates (210A,210B), each transfer plate being pivotally couplable to a respective pivot member.

The method includes a weld process evaluation including a first welding simulation to calculate a first weld-induced distortion in an as-designed 3D component (102) and/or an as-designed member (122) to be welded to the component. A finite element analysis calculates a distorted model (170) including a pre-weld distorted 3D component (102D) and/or a pre-weld distorted member (122D) to be generated by pre-loading fixture(s) (168) to compensate for the first weld-induced distortion in the 3D component and/or member. A second welding simulation calculates a second weld-induced distortion based on the distorted model including the pre-weld distorted 3D component (102D) and/or the pre-weld distorted member (122D). Where the second weld-induced distortion results in a product within a product specification for the welded combination, the as-designed 3D component is distorted to the pre-weld distorted 3D component and/or the as-designed member is distorted to the pre-weld distorted member, and the predefined welding process is performed.

A method of adjusting active power synchronisation in a grid-connected electrical system. The method comprising the steps of determining at least one of grid voltage amplitude (V), internal voltage amplitude (E), or grid impedance during system operation, estimating the phase angle difference (θ) between the internal voltage and grid voltage, calculating estimated angle-to-active power dynamics of the system based on determining at least one of the grid voltage amplitude (V), internal voltage amplitude (E), grid impedance and the phase angle difference (θ) between the internal voltage and grid voltage, and assigning the result as Gθ-to-P,est(s), determining nominal angle-to-active power dynamics based on predefined system design parameters and assigning the result as Gθ-to-P,nom(s), calculating an adjustment gain as the ratio of Gθ-to-P,nom(s) to Gθ-to-P,est(s); and applying the adjustment gain to an active power synchronisation loop by modifying at least one control parameter or modifying the signal within the loop based on the calculated adjustment gain.

There is provided a computer-implemented method (600) of controlling a bipole power transmission network, the method comprising: receiving (610) an indication of a disturbance in a first AC system; and then controlling (620) first and second power converters of the bipole power transmission network to provide substantially the same active power at their respective first and second AC sides.

Devices, systems, and methods for controlling active energy provided by an energy island to an synchronous alternating current (AC) grid via a high-voltage direct current (HVDC) transmission circuit may include an HVDC transmission circuit connecting an energy island, including wind turbines, solar panels, and energy storage systems, to a synchronous AC grid; and a fast energy controller (FEC), remote from the HVDC transmission circuit, configured to: receive, from the HVDC transmission circuit, an indication of an electrical energy demanded from the synchronous AC grid; determine a difference between a power demanded by the synchronous AC grid and the electrical energy; and based on a comparison of the difference to a deadband range with an upper threshold and a lower threshold, cause the energy island to adjust an amount of active energy provided by the energy storage systems to the synchronous AC grid.

A system may include a gas capture system (20) comprising a separation material, wherein the gas capture system (20) is configured to operate a regeneration process during a part load operation and/or a shutdown operation to desorb undesirable gas from the separation material to regenerate the separation material for an absorption process, a heat recovery steam generator (HSRG) (16) configured to receive exhaust gas (62) and generate steam (128), and a backup line (160) fluidly coupling the gas capture system (20) to the HRSG (16), wherein the backup line (160) is configured to provide the steam (128) from the HRSG (16) to the gas capture system (20) for the regeneration process during the part load operation and/or the shutdown operation.

A micromixer (120) for combusting a fuel-air mixture in a combustion chamber (131) of a combustor (106) is provided. The micromixer includes a fuel plenum (124), an air plenum (126), and a plurality of mixing tubes (130). Certain mixing tube(s) (150) include a body portion (160) made of a first material and including a first end and a second end, the first end in fluid communication with the fuel and air plenums. A cladded tip portion (170) made of a second, different material is coupled to the second end of the body portion. The cladded tip portion includes a combustion end (172) configured to direct the fuel-air mixture into the combustion chamber. A tapered inner surface (180) extends from the combustion end of the cladded tip portion to a location (182) on the body portion. The body portion has a cylindrical inner diameter (ID1) from the location to the first end of the body portion.

The invention refers to an electric arc blast nozzle (10) having an interior housing (12) extending along a longitudinal axis (X) and enclosing an interior space (13). The interior housing (12) is particularly configured to locate electrical contacts (24, 25) of a circuit breaker (11) therein. When used in a circuit breaker, the electric arc blast nozzle (10) can be moved together with one of the electrical contacts in longitudinal direction (L) relative to the other electrical contact. According to the invention, the interior housing (12) of the electric arc blast nozzle (10) is intimately covered by at least one outer layer (32) comprising a reinforcement layer (33). In doing so, gas-filled gaps and cavities are avoided between the at least one outer layer (32) and the interior housing (12), which reduces the risk of partial discharge.

An inspection system (126) for inspecting cooling holes (120) in a component (90) and a related method are provided. The inspection system includes at least one inspection element (128). Each inspection element includes a probe element (132) configured to be inserted into a respective cooling hole (120) of the plurality of cooling holes. Each inspection element includes a three-axes force/torque transducer (140) operatively coupled to each probe element. The three-axes force/torque transducer measures three-axes forces applied to the probe element and three-axes torques applied to the probe element during insertion of the probe element into the respective cooling hole. A controller (150) is operatively coupled to each inspection element and determines whether the respective cooling hole into which a respective inspection element is inserted is at least partially blocked based on at least one of the three-axes forces and the three-axes torques measured by the three-axes force/torque transducer of the respective inspection element.

A HGP segment, such as a nozzle or shroud, for a GT system includes a body. A seal slot is defined in the face of side edge(s) of the body. Each seal slot has radial inner and outer walls, an inner sidewall between the radially inner and outer walls, and receives part of a sealing member extending between the seal slots of adjacent segments. Groove(s) are defined in one or both of the radial inner and outer walls of the seal slot and extend transverse to the slot. The groove(s) extend between the inner sidewall of the respective seal slot and the face of the respective side edge. A cooling passage is defined in the body and has an outlet defined in the inner sidewall within the at least one groove of the slot and an inlet in fluid communication with an inner coolant source defined in the body.

A system includes at least one component of a turbine section (22). The at least one component includes a fuel port (56) formed into a wall (111) of the at least one component, which is configured to inject fuel (52) into a chamber (94) of the turbine section. The at least one component also includes an inert gas port (57) formed into the wall upstream of the fuel port. The inert gas port is configured to inject an inert gas (54) to flow at least partially around the injected fuel in a buffer region (228) downstream from the fuel port. The presence of the inert gas in the buffer region may mitigate an ignition of the fuel near the surface of the wall downstream of the fuel port (e.g., flame anchoring) and/or help to lift the flame from the ignited fuel into the hot gas flow path.

An injector system (130) and method for masking a plurality of openings (134) in a component are provided. The injector system includes at least one injector body (132) configured to be positioned within a respective opening. Each injector body includes a radiation transmitting channel (150) and a radiation-curable material passage (160) defined in the injector body adjacent to the radiation transmitting channel. The radiation transmitting channel (150) includes a first terminal end (152) and a second opposing end (154) configured to optically communicate with a source of radiation (138), and the radiation-curable material passage (160) includes a first terminal end (162), and a second opposing end (164) configured to fluidly communicate with a source of radiation-curable material (136). A radiation block (170) is between the channel and the passage to prevent radiation from the channel from entering the passage. The injector system simultaneously injects and cures radiation-curable masking material.

A printed circuit heat exchanger (PCHE) and methods for fabricating a PCHE for use in facilitating heat transfer includes providing a plurality of plates that each include a plurality of densely spaced channels configured to channel fluid through the PCHE. The method also includes applying a protective coating to pre-defined regions identified on at least one of the plurality of plates, wherein the protective coating facilitates extending a useful life of the PCHE, and coupling at least two of the plurality of plates together to create the PCHE.

A tool (200) for thrust clearance testing a turbine rotor includes at least one turbine rotor thrust engagement element (220). Each engagement element includes an adjustable clamp (230) including a first engagement member (232), a second engagement member (234), and a space adjuster (236) configured to adjust a distance (D) between the first and second engagement members. The first and second engagement members are configured to engage opposing axial ends of coupling flange(s) (202, 204) of a load coupling (120) extending from at least the turbine rotor (110). The tool also includes a dual-action linear actuator (260) coupled to the adjustable clamp and having an actuator end (262), and a fixture (270) configured to axially fix the actuator end of the actuator to a stationary structure (272) adjacent the turbine rotor. A controller (300) is configured to activate the actuator of each engagement element to move the turbine rotor between a first axial direction (Al) and a second axial direction (A2) opposite to the first axial direction.

There is provided a computer-implemented method (300) of controlling a relay for an electrical line. The method (300) comprises providing (308a), a control signal for tripping one or more components of the electrical line if a fault is determined and all of a plurality of supervisory checks are determined to be satisfied, or, providing (308b) the control signal if an apparent impedance enters into and remains within a third characteristic for a predetermined period of time. A first supervisory check (307a) comprises determining the apparent impedance has entered into a second characteristic. A second supervisory check (307b) comprises determining a first difference, the first difference being based on a positive sequence voltage angle and a positive sequence current angle; determining a rate of change of the first difference; and determining that a magnitude of the rate of change of the first difference is less than a first threshold value. A third supervisory check (307c) comprises determining, based on positive sequence voltage angles of present and previously stored positive sequence voltage phasors or positive sequence voltage samples, a second difference; and determining that a magnitude of the second difference is less than a second threshold value. A fourth supervisory check (307d) comprises determining a directionality based on an emulated electromechanical disk behaviour; and determining the directionality satisfies a preset direction.

A method includes additively manufacturing a first portion of the ceramic mold (100). The main body (162) of the core structure (104) defines a plurality of main body apertures (166). The method further includes additively manufacturing a second portion of the ceramic mold (100) that includes a tip cap (164) of the core structure (104). The tip cap (164) of the core structure (104) defines a plurality of tip cap apertures (168). The method further includes firing the first portion and the second portion of the ceramic mold (100). The method further includes, after firing the first portion and the second portion of the ceramic mold (100), connecting the first portion and the second portion by inserting each pin (108) of a plurality of pins (108) into a respective main body aperture (166) of the plurality of main body apertures (166) and a respective tip cap aperture (168) of the plurality of tip cap apertures (168).

A method (1300) for fabricating a ceramic mold (100) is provided. The method (1300) includes additively manufacturing the ceramic mold (100) with a liquid ceramic photopolymer by using an additive manufacturing system (400). The ceramic mold (100) includes a core structure (104) and a shell structure (102). A cavity (110) is defined between the core structure (104) and the shell structure (102) that is adapted to define a shape of a cast component (45). The shell structure (102) defines a plurality of shell apertures (106). The method (1300) further includes inserting each pin (108) of a plurality of pins (108) through a first shell aperture (106) of the plurality of shell apertures (106), across a portion of the cavity (110), and into one of a second shell aperture (106) of the plurality of shell apertures (106) or contact with the core structure (104).

A combustor (130) for a gas turbine system (100) includes an additively manufactured (AM) one-piece member (164) with a combustion liner (166) with a transition portion (170) and an aft frame (190) at an aft end (232) of the transition portion (170). An impingement cooling structure of the transition portion (170) includes impingement openings (254) leading to an internal impingement cavity (256). A coolant passage (260) extends from the internal impingement cavity (256) to the aft end (232) of the transition portion (170). A coolant passage (260) outlet is near an aft rail (266) extending radially inward from the transition portion (170) aft end (232) and axially spaced from the aft frame (190). In operation, coolant enters the internal impingement cavity (256) through the impingement openings (254), then travels through the coolant passage (260) to cool the aft rail (266). The AM combustor body (160) includes a plurality of parallel, metallurgically bonded metal layers (280). The impingement cooling structure promotes increased cooling to the aft frame (190) and combustion liner (166) without loss of structural strength.

A shortened piping layout for a steam cycle circuit (352) of a combined-cycle power plant (354) without thermal expansion loops is provided. The piping layout includes a first steam pipe (366) to provide a first supply of main steam from a steam generating source (356) to a first turbine section (126, 226) of a steam turbine system (358). A first steam admission valve (361) is configured to receive the first supply of main steam at a bottom portion. A cold reheat steam pipe (368) supplies cold reheat steam exhausted from the first turbine section to the steam generating source for reheating. A hot reheat steam pipe (370) supplies hot reheat steam from the steam generating source to a second turbine section. At least one reheat steam admission valve (363) is configured to receive the hot reheat steam at a side portion for introduction to a side portion of the second turbine section.

Described herein are compositions, and more particularly to alloy compositions and articles formed with the alloy compositions. The alloy compositions are broadly applicable in applications requiring alloys with improved oxidation resistance and improved creep strength.

A system (10) includes an intake heating system (16) having one or more heat exchangers (121). The one or more heat exchangers (121) are fluidly coupled to a steam turbine system (64), a gas turbine system (12), a carbon capture system (100), and a heat recovery steam generator (66) (HRSG). The one or more heat exchangers (121) are configured to receive steam from the HRSG, the steam turbine system (64), or a combination thereof. The one or more heat exchangers (121) are also configured to receive an air (96). The one or more heat exchangers (121) are also configured to place the steam (116) in a heat exchange relationship with the air (96) to produce a heated air (118) and a cooled steam (119). The one or more heat exchangers (121) are also configured to send the cooled steam (119) to the carbon capture system (100). The one or more heat exchangers (121) are also configured to send the heated air (118) to one or more injection locations of the gas turbine system (12).

There is provided a method performed by a DC voltage controller for a HVDC converter, the method comprising: generating a synchronous phase angle from a DC voltage error, wherein the DC voltage error is generated from a measured DC voltage and a demanded DC voltage; generating an AC grid phase angle from an AC grid signal; generating a DC power compensation function based at least in part on the measured DC voltage; and generating, for the HVDC converter, a phase angle demand based on at least one of: the synchronous phase angle, the AC grid phase angle, and the DC power compensation function.

There is provided a method performed by a DC voltage controller for a HVDC converter, the method comprising: generating a synchronous angular speed and synchronous phase angle based on a DC voltage error signal; determining an AC grid phase angle from a combination signal, wherein the combination signal is based on an AC grid signal and a function of the synchronous angular speed; generating, for the HVDC converter, a phase angle demand, wherein the phase angle demand is based on the AC grid phase angle and the synchronous phase angle.

The invention refers to a wireless power transmission system (10) and method. It comprises a power transmitter arrangement (11) and a power receiver arrangement (12). The power transmitter arrangement (11) is configured to transmit electromagnetic wave pulses (W) to the power receiver arrangement (12), where the electrical energy can be accumulated and/or stored. The power receiver arrangement (12) is configured to create a feedback signal (F) for controlling the amount of transmitted electrical energy and/or power. The feedback signal (F) is wirelessly transmitted from the power receiver arrangement (12) to the power transmitter arrangement (11). In the power transmitter arrangement (11) the creation of electric pulses (P) resulting in the transmission of electromagnetic wave pulses (W) is controlled based on the received feedback signal (F).

Methods and systems for controlling access to restricted functionality (125) of a computing device (100) are provided. The method (400) can include receiving a request for access to restricted functionality (125) of a computing device (100), the request for access identifying at least a portion of the restricted functionality (125) to be unlocked. The method (400) can include transmitting the request to a trusted license store (140) and receiving data indicative of a license, including an identifier of the portion of the restricted functionality (125) and a number of times the user may access the restricted functionality (125). The method (400) can include determining that the user has not accessed the restricted functionality (125) more than the number of times the user may access the restricted functionality (125). The method (400) can include, in response to determining that the user has not accessed the restricted functionality (125) more than the number of times, providing access to the restricted functionality (125).

A system (100) for fluoride-ion cleaning processes includes at least one test device (200) configured to be received within an interior volume (104) of a reaction chamber (102). A test volume (VOL1) is defined by each of the at least one test device (200).Each of the at least one test device (200) defines a metering inlet (208) through which reaction gas from the interior volume (104) of the reaction chamber (102) is received in the test volume (VOL1). Additionally, the system (100) includes at least one test sample (202), each of the at least one test sample (202) being configured to be received within the test volume (VOL1) of a respective one of the at least one test device (200) and cleaned by the reaction gas received within the test volume (VOL1) through the metering inlet (208).

An electrical system (300) comprising: a first busbar (302a); a second busbar (302b); a resistor module (306) comprising one or more resistors, the resistor module (306) being electrically coupled between the first busbar (302a) and the second busbar (302b); a first switching element (307), the first switching element (307) being electrically coupled between the first busbar (302a) and the second busbar (302b), the first switching element (307) being in series with the resistor module (306); and a plurality of power transmission media (304); wherein each power transmission medium (304) of the plurality of power transmission media (304) is electrically coupled to the first busbar (302a) via a respective second switching element (308); and each power transmission medium (304) of the plurality of power transmission media (304) is electrically coupled to the second busbar (302b) via a respective third switching element (310).

A hydrogen capable fuel injector (200, 500) for a combustor (17) of a gas turbine engine (10) is provided. The fuel injector (200, 500) includes an annular body (300) extending from a first end (301) to a second end (302) and a fuel circuit (340) at least partially disposed in the annular body (300). The annular body (300) defines a centerline axis (303) extending from the first end (301) to the second end (302). The fuel circuit (340) includes a fuel plenum (345), a primary fuel outlet (348) in fluid communication with the fuel plenum (345) and extending along the centerline axis (303), and a plurality of secondary fuel outlets (350) in fluid communication with the fuel plenum (345) and disposed radially about the primary fuel outlet (348). The fuel injector (200, 500) also includes a first plurality of fluid channels (325) radially disposed about the centerline axis (303) and a second plurality of fluid channels (330) radially disposed about the first plurality of fluid channels (325).

Controller (300) and method (400) for controlling one or more components of a power system (100). The power system (100) comprises an AC power node (110) connected to an AC system (104). The controller (300) is configured to determine a first phase angle (Φ) between a first voltage (V1) of the AC power node (110) and a current (Is) of the AC power node (110); determine, based on the first angle (Φ), a second angle (δ) between the first voltage (V1) of the AC power node (110) and a second voltage (V2) of the AC system (104); and output data indicative of at least the second angle (δ) for controlling the one or more components of the power system (100).

Computer-implemented methods and systems for determining component predicted lifespan are provided. The method includes obtaining, by a computing system comprising one or more computing devices, an image of the component. The method further includes obtaining, by the computing system, a stress map of the component. The method further includes processing, by the computing system, the image and the stress map of the component with a machine-learned model to generate, as an output of the machined-learned model, a predicted lifespan of the component.