General Electric Patent Applications

CIRCUIT BREAKER COMPRISING AN IMPROVED GAS FLOW MANAGEMENT

Granted: November 30, 2023
Application Number: 20230386771
The present application concerns a high-voltage circuit breaker filled with insulating gas having a main axis A, including arcing contacts and an insulating nozzle, wherein an insulating gas flowing from a storage chamber and heated by an electric arc between the two arcing contacts is partitioned into a first gas flow and a second gas flow conducted outside of the insulating nozzle from opposite directions toward a main gas chamber, wherein the first gas flow flows through a first…

CIRCUIT BREAKER COMPRISING AN IMPROVED LINKAGE MECHANISM

Granted: November 30, 2023
Application Number: 20230386762
The present application concerns a circuit breaker including a movable contact, a driving rod slidably mounted in the circuit breaker, a linkage mechanism for driving the movable contact, a pivoted driving fork rotatably mounted in the circuit breaker which cooperates with the driving rod through the cooperation of a primary pin provided on the driving rod and a primary slot provided on the driving fork, a driven lever connecting the driving fork to the movable contact, and wherein the…

SEAL ASSEMBLY FOR A TURBOMACHINE

Granted: November 30, 2023
Application Number: 20230383666
This disclosure is directed to seal assemblies for a turbomachine. The seal assemblies include stationary and rotating components and at least one interface between the stationary and rotating components. The seal assembly further includes a self-lubricating lattice element made of carbon or a carbon-based material. The self-lubricating lattice element may have a porous and compressible microstructure capable of retaining a liquid substance. During engine operation, the self-lubricating…

CONNECTION STRUCTURE FOR A GENERATOR ASSEMBLY

Granted: November 16, 2023
Application Number: 20230366324
A generator assembly includes a stator assembly coupled to an engine stator component of a propulsion engine, the stator assembly including: a stator support structure fixedly attached to the engine stator component; a stator disposed on a supporting surface of the stator support; a manifold coupled to the stator support, the manifold defining a connection volume and including at least one coolant opening at a connection end of the manifold; and an electrical connector extending between…

PHASE SHIFTING TRANSFORMERS COMPRISING A SINGLE COIL FOR TWO EXCITING WINDINGS FOR VOLTAGE REGULATION AND FOR PHASE SHIFT ANGLE REGULATION

Granted: November 2, 2023
Application Number: 20230353059
The present disclosure relates to a phase shifting transformer. The phase shifting transformer includes two exciting windings sharing the same three double taped coils, a first excited winding having three connected coils, for a phase shift regulation, a second excited winding comprising three connected coils, for a voltage regulation, each of the two exciting windings regulating the voltage of one coil of the second excited winding, and regulating the voltage level of one coil of the…

SWITCHING VALVE

Granted: November 2, 2023
Application Number: 20230353043
There is provided a switching valve for a voltage source converter, the switching valve including a number of modules, each module including at least one switching element and at least one energy storage device, each switching element and each energy storage device arranged to be combinable to selectively provide a voltage source, the switching valve including a controller programmed to selectively control the switching of the switching elements to select zero, one or more of the modules…

IMPROVEMENTS IN OR RELATING TO VOLTAGE SOURCE CONVERTERS

Granted: October 26, 2023
Application Number: 20230344364
A voltage source converter includes first and second DC terminals which have at least one converter limb extending therebetween. Each limb portion includes a chain-link converter that extends between an associated AC terminal and a corresponding one of the first or the second DC terminal. Each chain-link converter also includes a chain-link converter controller which is programmed to control a series of connected chain-link modules. The voltage source converter additionally includes a…

DC ENERGY STORAGE SYSTEM

Granted: October 26, 2023
Application Number: 20230344257
A DC energy storage system may include first and second DC terminals for connection to a DC link, a DC energy storage converter including a number of modules connected in series between the first and second DC terminals, each module including at least one switching element and at least one battery, the or each switching element and the or each battery in each module being combinable to selectively provide a voltage source, and at least one fire-resistant protective barrier arranged to…

DC ENERGY STORAGE SYSTEM

Granted: October 26, 2023
Application Number: 20230344236
A DC energy storage system may include first and second DC terminals for connection to a DC link, a DC energy storage converter including a number of modules connected in series between the first and second DC terminals, each module including at least one switching element and at least one energy storage device, the or each switching element and the or each energy storage device in each module being combinable to selectively provide a voltage source, and at least one circuit interruption…

IMPROVEMENTS IN OR RELATING TO CHAIN-LINK CONVERTERS

Granted: October 19, 2023
Application Number: 20230336067
A chain-link converter includes a number of series-connected chain-link modules. Each chain-link module has a module controller that is programmed to control operation of the corresponding chain-link module to selectively provide a voltage source, whereby the chain-link converter is able to provide a stepped variable voltage source. The chain-link converter also includes a chain-link converter controller that is arranged in communication with each module controller, and which is…

ELECTRICAL ASSEMBLY

Granted: October 19, 2023
Application Number: 20230335994
There is provided an electrical assembly including at least one power converter and at least one dynamic reactive power source, the or each power converter and the or each dynamic reactive power source connectable to an AC network, the or each power converter and the or each dynamic reactive power source operable to exchange reactive power with the AC network, wherein the or each dynamic reactive power source is configured to selectively adjust its exchange of reactive power with the AC…

AIR-CORE REACTORS FOR USE WITH POWER TRANSMISSION SYSTEMS

Granted: October 19, 2023
Application Number: 20230335324
Air-core reactors for use with power transmission systems are disclosed. An example air-core reactor may include a main coil and an auxiliary coil. The main coil may include a first solenoid having a first diameter and a second solenoid having a second diameter, wherein the first diameter and the second diameter are different. The auxiliary coil may include a third solenoid. The first solenoid and the second solenoid may be arranged concentrically. The auxiliary coil may also be…

SYSTEM AND METHOD FOR PROGNOSTIC ANALYTICS OF AN ASSET

Granted: October 19, 2023
Application Number: 20230334394
There are provided systems and methods for prognostic analytics of an asset. For example, there is provided a system for monitoring a reliability of a component of an asset. The system includes a processor and a memory comprising instructions that, when executed by the processor, cause it to perform certain operations. These operations may include receiving input data, which can include performance data relating to the component, configuration data relating to the component, and…

RELATING TO CONTROLLERS FOR CHAIN-LINK CONVERTERS

Granted: October 12, 2023
Application Number: 20230327538
A controller, for a chain-link converter having a number of series-connected chain-link modules that are operable in combination to provide a stepped variable voltage source, is programmed to obtain for each chain-link module an indication of whether the current flow through the corresponding chain-link module is in a first flow direction or a second flow direction. The controller is additionally programmed to evaluate the number of indications in the first flow direction and the number…

IMPROVEMENTS IN OR RELATING TO BIPOLE POWER TRANSMISSION SCHEMES

Granted: October 12, 2023
Application Number: 20230327427
A bipole power transmission scheme typically includes a first converter station that is positioned remote from a second converter station, along with first and second transmission conduits which interconnect the first and second converter stations to permit the transmission of power between the first and second converter stations. The first converter station has first and second power converters, with the first power converter including a first DC terminal that is connected with the…

GAS TURBINE ASSEMBLIES AND METHODS

Granted: October 12, 2023
Application Number: 20230324048
The systems and methods described herein relate to a dome of a gas turbine assembly configured to suppress pressure pulsations. The systems and methods provide a dome having an aperture configured to surround an injector assembly of a combustor. The dome having a front panel extending radially from the aperture. The systems and methods couple a first cavity to the front panel. The first cavity includes a series of ducts. A first duct of the series of ducts is configured to receive…

OVERALL ENGINE EFFICIENCY RATING FOR TURBOMACHINE ENGINES

Granted: October 12, 2023
Application Number: 20230323819
A turbomachine engine can include a fan assembly, a vane assembly, a core engine, a gearbox, and an overall engine efficiency rating. The fan assembly can include a plurality of fan blades. The vane assembly can include a plurality of vanes, and the vanes can, in some instances, be disposed aft of the fan blades. The core engine can include a low-pressure turbine. The gearbox includes an input and an output. The input of the gearbox is coupled to the low-pressure turbine of the core…

COMMUNICATING SECURELY WITH DEVICES IN A DISTRIBUTED CONTROL SYSTEM

Granted: October 5, 2023
Application Number: 20230318812
A method comprises a server generating a server nonce and transmitting a server public key, a key signature and the server nonce to a device, the device verifying the server public key, signing the server nonce with a device private key, generating a device nonce, and transmitting the server nonce, the server nonce signature, a device public key, a device key signature, and the device nonce to the server, the server verifying the server nonce and the device public key, generating a…

BIPOLE POWER TRANSMISSION NETWORKS

Granted: October 5, 2023
Application Number: 20230318301
A bipole power transmission network includes a first upstream power converter which has a first DC terminal that is connected with a first transmission conduit which extends, in-use, to a first downstream power converter. The first upstream power converter has a second DC terminal that is connected with a return conduit which extends, in-use, to the first downstream power converter and a second downstream power converter. The first upstream power converter has at least one first AC…

TOOL FOR SCAN PATH VISUALIZATION AND DEFECT DISTRIBUTION PREDICTION

Granted: September 28, 2023
Application Number: 20230302539
A system and method for analyzing build files in an additive manufacturing process in order to predict defects in an additive part. The system and method further include the steps of reading an additive build file containing a set of scan paths of a three-dimensional (3D) object for a build, the set of scan paths comprising a plurality of points, creating a transfer function from parameters in the build file that corresponds to a local melt pool shape at each point of the plurality of…