IMPROVEMENTS IN OR RELATING TO BIPOLE POWER TRANSMISSION SCHEMES
Granted: July 13, 2023
Application Number:
20230223759
A bipole power transmission scheme includes a first converter station positioned in-use remote from a second converter station, and first and second transmission conduits to in-use interconnect the first converter station with the second converter station and thereby permit the first converter station to transmit power to the second converter station. The first converter station includes a first power converter, a second power converter, and a converter station controller which is…
SYSTEMS AND METHODS FOR INTEGRATED CONDITION MONITORING FOR POWER SYSTEM ASSET HEALTH SCORING
Granted: July 13, 2023
Application Number:
20230221693
Systems and methods are disclosed for asset health assessment and fleet management. An example method may include classifying a first power system asset into a first sub-system and a second sub-system. The example method may also include measuring, by a processor of a protection relay and from a first power system asset, electrical, thermal, and/or mechanical data associated with the first power system asset. The example method may also include identifying a first fault feature for the…
SYSTEM AND METHOD FOR WARMKEEPING SUB-CRITICAL STEAM GENERATOR
Granted: June 29, 2023
Application Number:
20230204206
A system and method for warmkeeping a steam generator such as a sub-critical steam generator is disclosed. Water extraction piping extracts water from a component of one of the water fill circuits of the sub-critical steam generator. A deaerator heating system having an inventory tank of water mixes the extracted water with the water in the tank, and heats the mix of water to a predetermined temperature level to generate heated deaerated feedwater. Feedwater piping forwards the heated…
SYSTEM AND METHOD FOR PREVENTING ICING IN THE COMBUSTION INLET AIR PATH OF A GAS TURBINE SYSTEM
Granted: June 29, 2023
Application Number:
20230203990
A system and method for preventing icing in the combustion inlet air path of a gas turbine system. An air intake system of the gas turbine system supplies intake air to a gas turbine engine. The air intake system includes an air filter inlet house to filter the intake air. The air filter inlet house includes at least one filter stage having an array of pulse filters, with each of the pulse filters being hydrophobic. A combustion inlet air path is in fluid communication with the air…
IMPROVEMENTS IN OR RELATING TO CHAIN-LINK MODULES FOR VOLTAGE SOURCE CONVERTERS
Granted: June 15, 2023
Application Number:
20230188027
In the field of chain-link modules for voltage source converters, there is a need for an improved chain-link module. A chain-link module, for connection in series with other chain-link modules to form a chain-link converter selectively operable to provide a stepped variable voltage source within a voltage source converter, includes at least one pair of series-connected switching elements that are connected in parallel with a number of series-connected energy storage devices. Each energy…
BOX-SHAPED AIR INTAKE SILENCER WITH VERTICAL BAFFLES FOR GAS TURBINE SYSTEM
Granted: June 15, 2023
Application Number:
20230184164
A box-shaped air intake silencer with vertical baffles for a gas turbine system. The box-shaped silencer has a silencer housing having opposing ends with a first end closed and a second end opened to permit passage of air. Opposing sidewalls extend between the first end and the second end with each of the sidewalls operative to receive a perpendicular flow of intake air. A silencer having vertically, spaced baffles are disposed within the housing. A first end of the baffles face the…
APPARATUS FOR SUPPORTING WAX PATTERN DURING INVESTMENT CASTING
Granted: May 18, 2023
Application Number:
20230150015
An approach for supporting a wax pattern during investment casting. The approach described herein forms a support structure to support the wax pattern during investment casting. The support structure has a capping structure with a geometry that can match a profile of a lower region of the wax pattern, and at least one support brace extending outward from the support capping structure. The support structure can be placed on a surface of the lower region. The support capping structure can…
IMPROVEMENTS IN OR RELATING TO CHAIN-LINK CONVERTERS
Granted: May 11, 2023
Application Number:
20230141230
In the field of chain-link converters operable to provide a stepped variable voltage source, there is a need for an improved method of operating such a chain-link converter. A method of operating a chain-link converter, the chain-link converter including a number of series connected chain-link modules, each chain-link module including at least one switching element and an energy storage device which together are selectively operable to provide a voltage source whereby the chain-link…
LIQUID/FLUID COOLING SYSTEMS FOR HIGH POWER-DENSITY (HPD) TRANSFORMERS
Granted: May 11, 2023
Application Number:
20230142063
A high power-density power converter (500) employs a liquid cooling system (200) to cool its transformers (120). In an embodiment, the coils (135) of a transformer (100) are embedded in a heat-conducting solid (epoxy or resin). The resin-embedded coils (135) are in physical/thermal contact with cold plates (160), which are sandwiched between the coils (135) and/or in contact with exterior surfaces of the coils (135). The cold plates (160) may additionally or alternatively be in…
LIQUID/FLUID COOLING SYSTEMS FOR HIGH POWER-DENSITY (HPD) TRANSFORMERS
Granted: May 11, 2023
Application Number:
20230142063
A high power-density power converter (500) employs a liquid cooling system (200) to cool its transformers (120). In an embodiment, the coils (135) of a transformer (100) are embedded in a heat-conducting solid (epoxy or resin). The resin-embedded coils (135) are in physical/thermal contact with cold plates (160), which are sandwiched between the coils (135) and/or in contact with exterior surfaces of the coils (135). The cold plates (160) may additionally or alternatively be in…
IMPROVEMENTS IN OR RELATING TO CHAIN-LINK CONVERTERS
Granted: May 11, 2023
Application Number:
20230141230
In the field of chain-link converters operable to provide a stepped variable voltage source, there is a need for an improved method of operating such a chain-link converter. A method of operating a chain-link converter, the chain-link converter including a number of series connected chain-link modules, each chain-link module including at least one switching element and an energy storage device which together are selectively operable to provide a voltage source whereby the chain-link…
ELECTRICAL MACHINES FOR INTEGRATION INTO A PROPULSION ENGINE
Granted: May 4, 2023
Application Number:
20230139068
An electrical machine includes a stator assembly coupled to an engine stator component of a propulsion engine. The stator assembly includes a stator support assembly fixedly attached to the engine stator component and a stator disposed on the stator support structure. An electrical machine shaft is coupled to an end of a shaft of the propulsion engine via an intermediate shaft member extending axially between the end of the shaft and the electrical machine shaft. A bearing support frame…
IMPROVEMENTS IN OR RELATING TO BIPOLE POWER TRANSMISSION SCHEMES
Granted: May 4, 2023
Application Number:
20230140103
A bipole power transmission scheme with two independent converts, two power feed and one return conduit. During operation of the bipole power transmission scheme under abnormal conditions, when a return conduit is faulty and unable to provide a return current path, each converter controller is programmed to monitor the first power feed in the first transmission conduit and the second power feed in the second transmission conduit and, if the first power feed in the first transmission…
IMPROVEMENTS IN OR RELATING TO BIPOLE POWER TRANSMISSION SCHEMES
Granted: May 4, 2023
Application Number:
20230140103
A bipole power transmission scheme with two independent converts, two power feed and one return conduit. During operation of the bipole power transmission scheme under abnormal conditions, when a return conduit is faulty and unable to provide a return current path, each converter controller is programmed to monitor the first power feed in the first transmission conduit and the second power feed in the second transmission conduit and, if the first power feed in the first transmission…
ELECTRICAL MACHINES FOR INTEGRATION INTO A PROPULSION ENGINE
Granted: May 4, 2023
Application Number:
20230139068
An electrical machine includes a stator assembly coupled to an engine stator component of a propulsion engine. The stator assembly includes a stator support assembly fixedly attached to the engine stator component and a stator disposed on the stator support structure. An electrical machine shaft is coupled to an end of a shaft of the propulsion engine via an intermediate shaft member extending axially between the end of the shaft and the electrical machine shaft. A bearing support frame…
GEARBOX CONFIGURATIONS FOR CLOCKWISE AND COUNTERCLOCKWISE PROPELLER ROTATION
Granted: April 27, 2023
Application Number:
20230130860
A gear assembly for use with a turbomachine comprises a sun gear, a plurality of planet gears, and a ring gear. The gear assembly is connected to an input shaft and an output shaft. The sun gear is configured to rotate about a longitudinal centerline of the gear assembly, and is driven by the input shaft. A component of the gear assembly drives the output shaft. The gear assembly further comprises an output shaft reversal mechanism configured to reverse the rotational direction of the…
VARIABLE PITCH FANS FOR TURBOMACHINERY ENGINES
Granted: April 27, 2023
Application Number:
20230126551
A turbomachinery engine can include a fan assembly with a plurality of variable pitch fan blades. The fan blades are configured such that they define a first VPF parameter and a second VPF parameter. The first VPF parameter is within a range of 0.10 to 0.40 and is defined as the hub-to-tip radius ratio divided by the fan pressure ratio. The second VPF parameter is within a range of 1-30 lbf/in2 and is defined as the bearing spanwise force divided by the fan area. In certain examples, the…
SYSTEMS AND METHODS TO IMPROVE THE ACCURACY AND MANUFACTURABILITY IN AN ADDITIVE MANUFACTURING COMPENSATION PROCESS
Granted: April 20, 2023
Application Number:
20230117766
A system and method for creating pre-compensated parts through additive manufacturing by providing more precise compensation in part regions either through a user specified selection of the region or an automatic selection of the region. An additive manufacturing system first generates a computer-aided design (CAD) image and then measures the physical representation of the component, then determines the amount to be compensated and generates a compensation field using multi-level…
APPARATUSES, SYSTEMS, AND METHODS FOR PROVIDING ENHANCED RECOATER EVENT PREDICTION FOR DMLM ADDITIVE MANUFACTURING
Granted: April 20, 2023
Application Number:
20230121090
A method may include receiving data associated with a part to be built by additive manufacturing using a recoater, predicting a distortion amount comprising a distance that the part is expected to distort in a vertical direction at one or more layers while the part is being built based on a simulation of the part being built, determining a likelihood of a recoater event based on the predicted distortion amount, determining a severity factor associated with the predicted distortion amount…
IMPROVEMENTS IN OR RELATING TO CHAIN-LINK MODULES FOR VOLTAGE SOURCE CONVERTERS
Granted: April 20, 2023
Application Number:
20230119315
In the field of chain-link modules for voltage source converters, there is a need for an improved chain-link module. Embodiments of the disclosure include a chain-link module, for connection in series with other chain-link modules to form a chain-link converter selectively operable to provide a stepped variable voltage source within a voltage source converter. The module can include a first pair of series-connected switching elements which are separated by a first connection terminal and…
