Abstract: A cooling apparatus for a medium voltage or high voltage switchgear includes an evaporator, a fluid conduit, and a condenser. The evaporator is configured to surround at least part of a current carrying contact. The fluid conduit fluidly connects the evaporator to the condenser. A section of the fluid conduit is formed within the evaporator and is electrically insulating and is configured such that fluid can contact an outer surface of the current carrying contact. The cooling apparatus is configured such that in use a working fluid in the evaporator is heated to a vapour state, and the vapour is transferred by the fluid conduit to the condenser. The vapour in the condenser is condensed to the working fluid. The condensed working fluid is passively returned via the fluid conduit to the evaporator.

Abstract: An arc mitigation apparatus includes an arc mitigation device and a solar cell. The arc mitigation device is configured to be mounted to a low-, medium-, or high-voltage switchgear. The arc mitigation device is configured to stop or limit current flow within at least one part of the low-, medium-, or high-switchgear when activated. The solar-cell is configured to be located within a compartment of the low-, medium-, or high-voltage switchgear. The solar-cell is configured to cause the arc mitigation device to activate due to radiation from an electrical arc of the switchgear impinging upon the solar-cell.

Abstract: A system for using one of two independent alternating power sources to power a load is provided. The system sets a flux match to a first value, wherein the flux match indicates a set range for switching between powering the load using a first power source and powering the load using a second power source. The system switches between powering the load using the first power source and powering the load using the second power source using the first flux match value. The system further obtains a first set of inrush current values associated with the switching. Based on the first set of inrush current values and a maximum inrush current threshold, the system adjusts the flux match to a second value and switches between powering the load using the first power source and powering the load using the second power source using the second flux match value.

Abstract: Power transfer system for supplying electric power to a battery of an electric vehicle including a control architecture capable of controlling the transmission of electric power to a battery of said electric vehicle and, at the same time, capable of providing fast responsive control functionalities. In a further aspect, the application relates to a method for controlling a power transfer system.

Abstract: An emergency lighting luminaire for mounting in a recess in a wall or ceiling of a building, wherein this recess is configured to be covered with a covering plate, the luminaire comprising: a power supply unit that is configured to be mounted in the recess, the power supply unit comprising at least one power source and driver electronics for a plurality of illuminants; an illuminant unit that is configured to be held outside the recess, the illuminant unit comprising a substrate on which a plurality of illuminants are mounted; and a connector that attaches the illuminant unit to the power supply unit, contains electrical connections between the illuminants and the power supply unit, and is configured to traverse the covering plate.

Abstract: An electrical power cable is provided with two ends and an elongated length therebetween. The cable includes one or more conductors for conducting electrical power from a power source to an electrical load. One end includes a switch and a relay to provide electrical power to the electrical load and to disconnect an electrical contact from the power conductor.

Abstract: A cable tray of the ladder type configuration can be fabricated from soft solid curable polymer strips comprised of a thermosetting material. The curable polymer strips in a pliable state may be wound into strip rolls for storage and transportation to the installation site. At the installation site, the soft solid curable polymer strips can be deployed, molded into pliable formed rail sections, and transversely connected together by a plurality of rungs. The curing process can be completed by, for example, exposing the thermosetting material to a ultraviolet or visible light source to produce hardened rail sections of the ladder type cable tray.

Abstract: A method for determining a temperature of a fluid flowing through a pipe section includes: determining a temperature of the pipe section; obtaining a reference temperature at a distance from a surface of the pipe section; determining a heat transfer behaviour, in particular a thermal resistance, of a boundary layer of the fluid on an inner wall of the pipe section based on at least one material property and/or at least one value of a state variable of the fluid; and determining the temperature of the fluid based on the heat transfer behaviour of the boundary layer, a heat transfer behavior, in particular a thermal resistance, of the pipe section, the temperature of the pipe section, and the reference temperature.

Abstract: A material and method for manufacturing an Ag-based electrical contact material includes synthesizing an intermetallic compound of MexSny type; ball milling the intermetallic compound; mixing the so obtained intermetallic compound powder with silver powder; packing the mixed powders into a green body; and forming a MeO-SnO2 cluster structure by internally oxidizing the intermetallic compound MexSny while sintering the green body.

Abstract: An electronic cover for an electrical lighting device includes a conducting electrical track structure for lighting components and control components.

Abstract: A method (500), performed by an industrial automation system, for condition monitoring an industrial plant includes receiving (502) operational data of die industrial plant and obtaining an information model corresponding to at least one asset of the industrial plant from a cloud infrastructure. The method (500) further includes processing (504) die operational data using the information model to generate a recommendation for a control action. The industrial automation system (200) is configured to provide a means to update the information model by dynamically receiving (510) a new scheme for condition monitoring from a user and generating (512) an updated information model based on the received scheme using an engineering tool m the cloud infrastructure. The step of updating the information model is performed by storing the updated information model in a machine readable file format on the cloud infrastructure.

Abstract: A system and method for securely training a model comprises including the algorithms of the model into a training module, and communicating the training module from a vendor computer system to a customer computer system. The training module is operated on the customer's computer system using the data from the customer, and a trained training module is achieved after operating the training module on the customer's computer system. The trained training module is used to initialize at least one additional module, which is communicated from the customer's computer system to the vendor's computer system, is used to score observations.

Abstract: A switch for a medium voltage or high voltage switchgear includes: a first fixed contact; a second fixed contact; a moveable contact; at least one flexible link; and a contact drive. In an on state of the switch, the moveable contact is in a position that connects the first fixed contact to the second fixed contact. In an off state of the switch, the moveable contact is in a position where the first fixed contact is not connected to the second fixed contact. The at least one flexible link is connected to the moveable contact. The at least one flexible link engages with the contact drive. The contact drive pulls the moveable contact via the at least one flexible link and pushes the moveable contact via the at least one flexible link. Activation of the contact drive in a first mode moves the moveable contact.

Abstract: An energy storage system includes a Master Control Unit, at least one bank comprising at least one supercapacitor and a Capacitor Monitoring System, at least one Acquisition Unit that acquires data, related to the single bank, from the Capacitor Monitoring System and communicates with the Master Control Unit, wherein there is one Acquisition Unit for each bank, wherein the Master Control Unit communicates with an external controller via a communication bus, and wherein the Master Control Unit and the Acquisition Unit communicate with each other.

Abstract: A method for managing operation of a mobile application, the application being operable in different modes, comprises obtaining a current value of a performance indicator of a network to which a mobile computing device is attached; map, based on a rule set, the value of the performance indicator to an optimal operating mode of the application and/or to at least one action; and cause the application to switch to the optimal operating mode, initiate the action, or prompt a user to switch the application to the optimal operating mode or initiate the action.

Abstract: A converter includes a DC split link with a positive line, a floating midpoint, and a negative DC line, a first DC capacitance arranged between the positive line and the floating midpoint, a second DC capacitance arranged between the negative line and the floating midpoint, a first resistor arranged in parallel to the first DC capacitance, a second resistor is arranged in parallel to the second DC capacitance. The first and the second resistors are configured to be engaged during a pre-charge phase of the converter.

Abstract: The invention relates to remote activation of a communication module of a self-powered intelligent electronic device (IED). The IED controls an auto recloser mounted on an electric pole of a power distribution network. A controller of the IED, receives an activation signal from a trigger source, positioned within a predefined distance from the IED, through an optical sensor to activate the communication module. A control signal is generated, upon the controller of the IED detecting the activation signal, for powering the communication module from a power supply module. The power supply module is enabled to power the communication module for a duration controlled with the control signal. The communication module is activated for communicating a plurality of data associated with the IED to a remote communication device upon enabling the power supply module for the communication module.

Abstract: A computer-implemented method for monitoring a communication system includes identifying a set of signals that need to be transmitted over the communication system for proper functioning of the control and/or surveillance; for each signal from the identified set of signals, identifying one or more resources of the communication system that are needed for transmission of this signal; obtaining information that is indicative of the operational state of the identified resources; and evaluating, from the obtained information, at least one remedial activity which, when performed on at least one resource, and/or on the control and/or surveillance, is likely to improve, and/or to restore, the reliability of the control and/or surveillance.

Abstract: A detection circuit including a converter configured to convert a multiphase alternating current (AC) input into a direct current (DC) output, a plurality of sensing diodes, each sensing diode being separately electrically connected to one phase of the multiphase AC input, at least one node arranged downstream from the plurality of sensing diodes relative to the multiphase AC input, a power source configured to output a power source voltage to the at least one node and plurality of sensing diodes, and a mask time generator configured to determine a node voltage at the at least one node and determine whether the node voltage persists for a predetermined mask time period.