Abstract: A surface inspection apparatus comprises a camera, an actuator apparatus for displacing the camera relative to a surface to be inspected; a first light source mounted to the actuator apparatus for joint displacement with the camera; and a second light source arranged so that an angle in which optical axes of the first and second light sources intersect is non-zero.

Abstract: A fastening device includes: a head having: a first strap aperture; a second strap aperture; a first fastener receiving area; and a second fastener receiving area. The first strap aperture intersects the first fastener receiving area. The second strap aperture intersects the second fastener receiving area. In an embodiment, the first strap aperture and the second strap aperture each have a same shape, and the first fastener receiving area and the second fastener receiving area each have a same shape.

Abstract: A method for providing a secure onboarding of a component from at least one first host device into a second host device includes verifying the integrity, authenticity and/or execution environment of the first host device by an orchestrator; providing a trusted root certificate to the second host device by the orchestrator; providing an onboarding identity by the orchestrator to the first host device, when the integrity, the authenticity and/or the execution environment of the first host device has been verified; receiving the onboarding identity from the orchestrator by the first host device and assigning the onboarding identity to the component; providing the assigned onboarding identity to the second host device; and securely onboarding the component from the first host device into the second host device based on the assigned onboarding identity and the provided trusted root certificate.

Abstract: A choke coil including a conductor element having a plurality of coil turns, a first terminal member adapted for electrically connecting the choke coil to a first circuit terminal of an electric circuit, and a second terminal member adapted for electrically connecting the choke coil to a second circuit terminal of the electric circuit. The first terminal member is adapted to compensate lateral dimensional variance between locations of the first circuit terminal and second circuit terminal, and the second terminal member is adapted to compensate longitudinal dimensional variance between locations of the first circuit terminal and second circuit terminal, wherein the lateral dimensional variance is perpendicular to a longitudinal direction of the choke coil extending between the first terminal member and the second terminal member, and the longitudinal dimensional variance is parallel to the longitudinal direction.

Abstract: A switching apparatus including one or more electric poles. For each electric pole, the switching apparatus includes a first pole terminal, a second pole terminal, and a ground terminal. The switching apparatus further includes a plurality of fixed contacts spaced apart one from another, a movable contact, which is reversibly movable about a corresponding rotation axis according to opposite first and second rotation directions, so that said movable contact can be coupled to or uncoupled from one or more of the above-mentioned fixed contacts, a vacuum interrupter including a vacuum chamber, in which a fixed arc contact and a movable arc contact are enclosed and can be coupled or separated, and a motion transmission mechanism operatively coupled to the movable arc contact of said vacuum interrupter.

Abstract: A transfer switch for hybrid switching between a first power source and a second power source, the transfer switch includes a first switch and a second switch, the first and second switch connecting a load to a first power source and a second power source, respectively. The first switch includes at least one first solid state switching device (SSSD) pair. The second switch includes at least one second SSSD pair. The at least one first SSSD pair includes a different type of switching devices relative to the type of switching devices of the at least one second SSSD pair. Moreover, a controller may be configured to selectively cycle the at least one first SSSD pair and the at least one second SSSD pair on and off to electrically couple one of the first power source and the second power source to the load.

Abstract: A method for assembling and/or disassembling alkaline electrolyzer units of a hydrogen producing plant. The method includes: providing an industrial robot system including a controller having robot functionality, and a plurality of robots; transporting the plurality of robots to a plurality of electrolyzer unit sites, assembling the alkaline electrolyzer units at the electrolyzer unit sites by the plurality of robots executing assembly instructions included in the controller, and/or disassembling at least one of the alkaline electrolyzer units at an electrolyzer unit site by at least one of the plurality of robots executing disassembly instructions included in the controller.

Abstract: A method for providing diagnostic data of a component comprising an OPC UA server includes providing metadata that describes the diagnostic data; discovering the OPC UA server; creating a corresponding data collection unit comprising an OPC UA client; generating a configuration file using the metadata; transferring the configuration file to the data collection unit; modifying a configuration file of the time-series database by adding a URI of the data collection unit; connecting to the time-series database; delivering diagnostic data of the component via the data collection unit to the time-series database; and storing the diagnostic data of the component to a diagnostic data repository of the time-series database.

Abstract: A method is provided for protecting a circuit comprising a switch device connected between a power source and a load, the power switch device controlled by a gate driver. The method comprises generating a first trip signal indicating a desaturation (DESAT) signal based on an input voltage to the gate driver and a first trip threshold; generating a second trip signal indicating an overcurrent detection (OCD) signal based on a current obtained by a current sensor and a second trip threshold; generating a third trip signal indicating a transient recompensed instantaneous trip (TRIP) signal based on the current obtained by the current sensor and a third trip threshold; detecting, using a microcontroller, a fault based on merging at least two of the first trip signal, the second trip signal, and the third trip signal; and controlling, based on detecting the fault, the gate driver to disconnect the switch device.

Abstract: A computer-implemented method includes obtaining an amount of a resource and/or capability of a process module, and dividing this amount by the maximum amount of the respective resource and/or capability to obtain a theoretical utilization of the resource and/or capability as the theoretical utilization of the process module. A pool of available process modules is searched to identify candidate process modules to replace the process module. The theoretical utilization for each candidate module is determined and an optimized topology of the plant is generated by replacing the process module with a candidate process module that has a same or a higher theoretical utilization than process module.

Abstract: The present disclosure provides a grid forming vector current control system configured to emulate a virtual synchronous machine (VSM). The disclosed system comprises a droop control unit, a current control unit, a virtual admittance unit and a phase locked loop (PLL) unit. The virtual admittance unit and the PLL unit are configured to emulate an inertia of the VSM. A virtual current source is connected in parallel to the VSM.

Abstract: An apparatus for determining oil leakage of a gearbox and an associated robot. The apparatus includes a base arranged between the gearbox and a motor coupled to the gearbox. The base can be made of a oil-absorbing material such that a volume of the base changes when the base contacts oil. The apparatus also includes a signal generator coupled to the base and configured to cause an electrical signal or a change in a physical property of the signal generator in response to a change in the volume of the base. The apparatus also includes a controller coupled to the signal generator and configured to detect the electrical signal or the change in the physical property and to determine the oil leakage in response to a detection of the electrical signal or the change in the physical property.

Abstract: Systems and methods for a transfer switch including a first switch device at a first leg between a first power source and an electrical load, and a second switch device at a second leg between a second power source and the electrical load and a first resistor circuit including a third switch device connected to the first leg. The third switch device switches between open and closed states in response to the state of the first switch device to limit back feed voltage generated as a result of leakage current when the first power source is inactive. The system may also include a second resistor circuit including a fourth switch device connected to the second leg. The fourth switch device switches between open and closed states in response to the state of the second switch device to limit back feed voltage as a result of leakage current when the second power source is inactive.

Abstract: An electric current switch comprising: a housing; a contact lever including a proximal end and a distal end and is rotatable at a pivot point at the distal end, the contact lever including a lever arcing contact area and a lever arcing contact at the proximal end; a fixed contact assembly configured to receive the contact lever in a closed position of the contact lever, the fixed contact assembly including fixed main contacts and a fixed arcing contact, the fixed contact assembly being fixed relative the housing accommodating the fixed contact; the contact lever is configured to rotate about the pivot point between the closed position and an open position, the electric current switch further including a nozzle fixedly arranged to surround the position of the fixed arcing contact, the nozzle including at least one outlet to provide a flow of cooling gas towards the fixed arcing contact, the flow of cooling gas being in the proximal direction of the contact lever as when the contact lever in the closed position

Abstract: A power down circuitry for a controller of a process control system includes at least one buffer capacitor for buffering sufficient energy to complete a power down sequence; a power voter configured to select the at least one buffer capacitor as energy source in response to detection of power failure; non-volatile memory for retaining process data following the detection of power failure; and logic circuitry configured to coordinate transfer of the process data to the non-volatile memory during the power down sequence.

Abstract: A method for providing a network configuration for an industrial network includes discovering network topology data by a network configuration agent (NCA); receiving communication intent data from a network device; commissioning and identifying a remote network engine; forwarding the discovered network topology data and the received communication intent data to the remote network engine and requesting by the NCA the remote network engine for calculating network configuration data indicating network configurations; calculating the network configuration data on the provided network topology data and the received communication intent data; providing the calculated network configuration data to the NCA and distributing the calculated network configuration data to the network device, and initiating a network configuration in the industrial network.

Abstract: A system and method for detecting high impedance faults (HIFs) in an electrical distribution system may include obtaining a first current signal of a first electrical conductor, determining, based on a time period, a first moving window for the first current signal and a second moving window for a second current signal, determining a first instantaneous phase of the first moving window and a second instantaneous phase of the second moving window, determining a first frequency spectrum and a second frequency spectrum based on the first instantaneous phase and second instantaneous phase respectively, determining an error spectrum corresponding to a difference between points of the first frequency spectrum and the second frequency spectrum respectively, generating an error index based on the error spectrum, and identifying a trigger event at the first electrical conductor based on a comparison between the error index and a reference threshold.

Abstract: An electrical power distribution system includes a plurality of circuit protection devices coupled between an electrical power source and a plurality of electrical loads. Each circuit protection device includes a trip unit, a network interface communicatively coupled to a communication network including the circuit protection devices, a processor, and a memory. The memory stores instructions that, when executed by the processor, cause the processor to store test operational parameters associated with the circuit protection device, receive a test message including test data representing an electrical condition in the electrical power distribution system, adjust the test operational parameters based on the test data to simulate a response of the trip unit to the electrical condition, generate circuit protection data based on the test data and the adjusted set of test operational parameters, and transmit the circuit protection data to at least one of the communication network and a remote access device.

Abstract: A Robotized manifold system including a pipe matrix including a first series of pipes extending according to a first direction and being comprised in a first layer of the pipe matrix and a second series of pipes extending according to a second direction transverse to the first direction and extending in a second layer of the pipe matrix, the pipe matrix being organized according to at least two walls extending transversally to each other or at least one curved wall, each wall including a portion of the first layer and the second layer; a plurality of bistable valves being distributed on the at least two walls or at least one curved wall, each bistable valve including a shutter body configured to constitute a portion of a pipe of the first series and a portion of a pipe of the second series in a line position and to link the pipes of the first series and second series in a transverse position; a robot with an arm configured to individually actuate each shutter body of the bistable valves.