Abstract: An electrical system and apparatus for powering and cooling a static transfer switch (STS) assembly are provided. The electrical system includes an STS assembly, which includes at least two silicon controlled rectifiers (SCRs) for at least one power phase of the STS assembly, where the at least two SCRs are for incoming power sources that are opposing to each other. The electrical system includes a cooling system located between the at least two SCRs for the incoming power sources that are opposing to each other for the at least one power phase of the STS assembly. The electrical system further includes a plenum structure, where the cooling system is mounted in a middle of the plenum structure, and the STS assembly is arranged around the cooling system.

Abstract: A wireless automation network (WAN) source device is configured to generate a WAN data packet containing a payload with automation data according to a WAN communication protocol, and to transmit the data packet to a WAN destination device; wherein the WAN source device comprises a wireless localization engine configured to generate a source location stamp and at least one packet wrapper configured to insert the source location stamp in the data packet.

Abstract: A robotic device for reducing electromagnetic interference (EMI) noise and suppress leakage current is provided. The robotic device comprises a controller configured to control phase-shift switching of a plurality of axes to reduce electromagnetic interference (EMI) noise and suppress leakage current, an electrical circuit, and a plurality of loads coupled to a plurality of motors of the plurality of axes. The electrical circuit comprises a power source and rectifier; an EMI filter configured to further reduce the EMI noise and suppress the leakage current from the plurality of axes; and the plurality of axes comprising a plurality of drives and a plurality of motors that are configured to operate the plurality of loads.

Abstract: A production line for processing a work piece in successive steps comprises a plurality of stations and a plurality of trolleys, each of which comprises a first connector, said plurality of stations comprising at least one workstation adapted for carrying out therein an associated one of said steps and at least one charging station comprising a second connector for providing a commodity to one of said trolleys when connected to the first connector of said trolley. At least one of said trolleys comprises a second connector which communicates with the first connector.

Abstract: An electrical contact includes a knife having a first portion, a second portion, and a fixed contact. The fixed contact comprises a galvanic contact point and an arc ignition point. The knife is configured to operate in a first position, where the knife insulated from the fixed contact; a second position, wherein the closest distance between the knife and the fixed contact is between the first portion and the arc ignition point to form an electrical arc between the first portion of the knife and the arc ignition point; a third position, wherein the closest distance between the knife and the fixed contact is between the second portion of the knife and the galvanic contact point; and a fourth position, where the knife and the fixed contact are electrically coupled, namely the second portion of the knife and the galvanic contact point are electrically coupled.

Abstract: A computer-implemented method and system for validating a component specification defining at least one component of an industrial automation system, wherein the component specification is arranged in an object-oriented data format, includes obtaining an invariant specification specifying one or more invariants that must be satisfied for the component specification to be deemed fit for use in conjunction with the industrial automation system; and validating the component specification using the invariants specified in the invariant specification.

Abstract: A method includes receiving data indicating an event from at least one industrial device; providing the received data indicating an event to nodes of a distributed ledger; in response, selecting at least one of the nodes of a distributed ledger and writing a transaction into the distributed ledger, wherein the writing of a transaction into the distributed ledger is authorized by the selected at least one of the nodes of the distributed ledger, wherein the transaction comprises transaction data, wherein the transaction data allows an accessing of event data; wherein the transaction data comprises a pointer pointing to original or pre-processed data existing in one or more industrial databases of the at least one industrial device; providing immutable and tamper-resistant event data, event reaction data, control data, or training data for training a machine learning or an artificial intelligence based industrial control system based on the transaction data.

Abstract: An inrush current limiter circuit for a rectifier provides a flow of a current between a rectifying part of the rectifier and a filter capacitance. A power stage includes a power stage resistor and a power stage transistor disposed in parallel circuit arrangement to the power stage resistor. The power stage resistor conducts an amount of the current in dependence on the state of the power stage transistor, and the power stage transistor conducts an amount of the current in dependence on a charging of a gate capacitance of the power stage transistor.

Abstract: A 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 the electric vehicle and, at the same time, capable of providing frequency control functionalities to optimize power transmission efficiency. In a further aspect, the invention relates to a method for controlling a power transfer system.

Abstract: In one embodiment, a method of operating a power electronic converter device for an electrical power converter system is provided. The power electronic converter device includes a converter circuit, a first converter, and a second converter. The first converter and the second converter are switch with a switching pattern such that the first converter and the second converter generate voltages with stepwise voltages changes and an output voltage of the power electronic converter device results from a superposition of the voltages of the first converter and the second converter. The switching pattern includes switching instants for the second converter such that the voltage of the second converter leaves the fundamental voltage component of the voltage of the first converter unchanged, such that the second converter does not generate a fundamental component of the output voltage.

Abstract: A system and method for interactively communicating with a field device of an industrial automation system for performing a function in relation to monitoring and controlling an industrial process of a power plant includes a field device is associated with a gateway interface device (GID) including NLP algorithm, and communicatively coupled to an interactive device. The GID receives a first instruction associated with the function in relation to monitoring and controlling the industrial process, in natural language format, and converts the first instruction into a second instruction based on the NLP algorithm, where the second instruction has structured format native to the field device. The GID sends the second instruction to the field device for performing the function, receives an information associated to the function performed by the field device, and sends the information for displaying in the interactive device, the function performed by the field device.

Abstract: Provided herein is a cable tray apparatus including a first side rail, a second side rail spaced from the first side rail, and at least one support member having a first end and a second end. The second side rail includes a support wall and first and second tabs extending from the support wall. The support member includes side walls extending between the ends, and first and second recesses formed within each of the two side walls at each end. The support member is located between the side rails, and the tabs of the side rails are configured to engage and be located within the respective first and second recesses at the respective ends of the support member. The support member is slidable relative to the side rails along the tabs.

Abstract: A stator assembly for a rotating electrical machine is operatively associated with an internal cooling circuit including a plurality of cooling channels disposed through a stator core. To directed a liquid coolant medium through the stator core without leakage, the internal cooling circuit is formed from a plurality of cooling tubes including linear tubes and elbow tubes. Linear tubes are disposed in the cooling channels and can be expanded with a hydraulic expansion tool to frictionally fit the linear tube therein. The elbow tubes can fluidly couple two or more linear tubes and are disposed proximately beyond the first and second axial end faces of the stator core. To encapsulate the elbow tubes, first and second stator end castings of thermally conductive, electrically isolating material can be cast adjacent the first and second axial end faces.

Abstract: A power supply system comprises an AC input, an AC output, and a DC input; a DC intermediate circuit; a first converter connected, via a first bistable switching circuit, between the AC input and the DC intermediate circuit; a second converter connected, via a second bistable switching circuit, between the DC intermediate circuit and the AC output; a third converter connected, via a third bistable switching circuit, between the DC input and the DC intermediate circuit; a bypass circuit connected, via a bypass bistable switching circuit, between the AC input and the AC output and configured to provide a bypassing path from the AC input to the AC output; and a control unit.

Abstract: A medium voltage connector incudes a flange leg and a cone leg. The flange leg is connected to the cone leg, and a central longitudinal axis of the flange leg is angled to a central longitudinal axis of the cone leg. The flange leg is configured to be connected to a part of a medium voltage switch gear. The cone leg comprises an outer cone connection, and an outer surface of the flange leg comprises an electroconductive coating and/or an outer surface of the cone leg comprises an electroconductive coating.

Abstract: A cable fixation system includes a cable strip and a cable rack. The cable rack is configured to be mounted to a cable compartment of a low voltage, medium voltage, or high voltage switchgear. The cable rack comprises at least one hole. A first end of the cable strip is configured to connect to a second end of the cable strip. The cable strip is configured to fix or clamp a cable of the low voltage, medium voltage, or high voltage switchgear, and wherein to fix or clamp the cable: the cable strip passes through one or more holes of the at least one hole of the cable rack, the cable strip loops round at least a part of the cable, and the first end of the cable strip is connected to the second end of the cable strip.

Abstract: A flying capacitor converter comprises a converter input comprising a positive pole and a negative pole, an output terminal, and a plurality of cells, each cell comprising two switches and a flying capacitor arranged between each cell. A method for detecting a plurality of faults in the converter includes measuring, by a second current sensor arranged at the positive pole, a second current; measuring by a third current sensor arranged at the negative pole, a third current; and detecting a first fault in the flying capacitor converter when the second current or the third current exceeds a first current threshold, and/or when a gradient of the second current or a gradient of the third current exceeds a first gradient threshold.

Abstract: A method for an auxiliary device of an auxiliary resonant commutated pole inverter (ARCPI) to determine a boosting time of the ARCPI is provided. The auxiliary device includes an auxiliary switch path that uses a resonant inductor with at least one saturable inductor. The method includes: calculating, by a processor of the auxiliary device, a first boosting time in the auxiliary switch path based on a theoretical resonance inductance and a voltage that are applied to the resonant inductor; determining, by the processor, a second boosting time in the auxiliary switch path based on a look-up table; and determining, by the processor, the boosting time in the auxiliary switch path based on the first boosting time and the second boosting time. The method further includes controlling, by the processor, boosting current of the ARCPI based on the boosting time in the auxiliary switch path.

Abstract: A bushing for a metal clad medium voltage switchgear includes a hollow body and a t-off and pin assembly. The hollow body is made from polyamide. The t-off and pin assembly is made from polyamide. A first end of the hollow body is configured to connect to a compartment of a medium voltage switchgear. The t-off and pin assembly is configured to connect to a second end of the hollow body. The t-off and pin assembly is configured to connect to a T-off and pin.