Abstract: Systems and methods for loading and/or unloading a die in a press are disclosed. A handling system for loading a die may include a linear sliding path between a supply position outside the press and a press position on the press base, configured to support a die such that the die is displaceable while it is supported on the path, and a robot configured to displace the die between the supply position and the press position along the linear sliding path. A method may include providing a robot for loading workpieces in the press, providing a linear sliding path between a supply position outside the press and a press position on the press base, placing a die in the supply position, and causing the robot to displace the die on the linear sliding path, from the supply position to the press position.

Abstract: A rotor for a synchronous reluctance machine having an even number 2 p of poles circumferentially spaced at an angle ?, with ?=2 ?/2 p, the rotor comprising a substantially cylindrical laminate stack having a plurality of magnetically conductive laminations. One or more of the magnetically conductive laminations includes non-magnetic flux barriers which are spaced from each other in the radial direction, one or more of the non-magnetic flux barriers having a first and second bridge transversally positioned in correspondence of their lateral ends and defining a first and a second air-gap with the outer rim of the magnetically conductive lamination, and further including a third and a fourth bridge transversally positioned and respectively defining together with the first and second bridge a first and a second internal space which are filled with an electrically conductive and non-magnetically conductive material.

Abstract: A power electronics module and a method of manufacturing a power electronics module and a base plate. The power electronics module comprising at least one power electronics component, wherein the power electronics module comprises a base plate for transferring heat generated by the at least one power electronics component to a cooling device, the base plate comprising a layered structure having a first copper layer, a second copper layer and a carbon based layer between the first and second copper layers.

Abstract: A method of characterizing a wet paint layer stack of a painted body by individual parameters of the wet paint layers, based on fitting to a physical model, is provided. The method includes: emitting a THz radiation signal towards the painted body such that the THz radiation interacts with the wet paint layer stack; detecting a response signal being the detected THz radiation signal having interacted with the wet paint layer stack; determining model parameters of the physical model by optimizing the model parameters such that a predicted response signal of the physical model is fitted to the detected response signal, at least some of the model parameters being indicative of optical properties of the wet paint layers and of a wet paint layer thickness; and determining, from the determined model parameters, the individual paint layer parameters of at least one of the wet paint layers.

Abstract: The invention relates to a method for operating a converter in an energy distribution system, wherein, by means of the converter, an electrical energy provided by a source is fed into an AC electricity network at a coupling point (E) or electrical energy is drawn from the AC electricity network at the coupling point (E), wherein the AC electricity network is coupled to further converters for feeding in or drawing electrical energy, wherein the converter has an inverter provided with power switches in order to provide an electrical variable, comprising providing one or a plurality of system state variables indicating a system state of the electricity network, selecting one of a plurality of commutation patterns depending on the one or the plurality of system state variables, and driving the inverter according to the selected commutation pattern.

Abstract: A microgrid is re-synchronized to a main grid or substation by determining a degree of bus angle or frequency mismatch and bus voltage mismatch between the microgrid and the main grid or substation prior to re-synchronization, determining an amount of power adjustment needed to reduce the bus angle or frequency mismatch and bus voltage mismatch to below respective predetermined thresholds, determining at least one participation factor for each microgrid bus, each participation factor indicating an amount of influence power injection by the corresponding bus has on the bus angle or frequency mismatch or on the voltage mismatch, allocating the amount of power adjustment to the microgrid buses in proportion to the participation factors assigned to the buses, and re-synchronizing the microgrid to the main grid or substation responsive to the bus angle or frequency mismatch and bus voltage mismatch satisfying the respective predetermined thresholds.

Abstract: To provide as data rate independent user experience as possible for remote service, function descriptions are associated with identifiers, and a function plan transmitted between a service center and a user apparatus comprises the identifiers but the function plan outputted in the user apparatus comprises the function descriptions.

Abstract: The invention relates to a test block intended to be implanted in the circuit connecting an apparatus to be tested such as an electricity meter or a protective relay and a power source supplying the apparatus to be tested such as an intensity sensor and/or a voltage sensor. The test block comprises a base including a plurality of inner electric circuits capable of allowing the transmission of information from the power source to the apparatus to be tested and a protective cover intended to be assembled in a dismountable manner with the base in order to form a closed enclosure in which the inner electric circuits are housed. The base and the protective cover are configured such that the removal of the protective cover gives access to a receiving site delimited by the base and capable of receiving by plugging a test plug independent of the test block and electrically linked to a test equipment, in particular a voltmeter and/or an ammeter and/or a dummy current source. A test appliance is also described.

Abstract: A subsea pressure compensation arrangement is disclosed as having a vessel filled with insulating fluid, and a pressure compensator for compensating pressure variations of the insulating fluid. The arrangement can include a fluid connection pipe for fluid communication between the vessel and the pressure compensator, wherein the fluid connection pipe is connected to a bottom wall of the pressure compensator. A pipe opening arranged at an end of the fluid connection pipe extends above a level of the bottom wall of the pressure compensator.

Abstract: The present disclosure provides a docking frame for receiving at least one uninterrupted power supply module for high power uninterrupted power supply systems. The power supply system includes a bus connection for electrically connecting another uninterrupted power supply module to at least another docking frame and/or an I/O module. The one or more I/O modules, docking frames and uninterrupted power supply modules can be electrically connected in a horizontal arrangement.

Abstract: A converter system comprising a capacitance (C), an inverter (20) comprising at least two controllable semiconductor switches (S1, S2, S3, S4, S5, S6), and at least two DC conductors (100, 200) connected between the capacitance (C) and the at least two controllable semiconductor switches (S1, S2, S3, S4, S5, S6), wherein at least one of the at least two DC conductors (100, 200) comprises carbon fiber.

Abstract: A method and an apparatus for detecting a vector shift in an AC power system, the apparatus comprising frequency measuring means adapted to determine a frequency of the AC power system, derivation means adapted to determine a time derivative of the frequency, filtering means adapted to filter the time derivative of the frequency, and detection means adapted to calculate time derivatives for the filtered time derivatives of the frequency over a time period having the length of the fundamental period of the AC power system, to determine a number of positive and negative time derivatives among the calculated time derivatives, and to detect a vector shift in the AC power system in response to an absolute value of a difference between the determined number of positive time derivatives and negative time derivatives exceeding a predetermined threshold value.

Abstract: A device for monitoring a current in a primary conductor with respect to a predetermined current threshold, comprising: a magnetic circuit associable to the primary conductor and comprising a fixed part and an element which can rotate about a rotation axis; at least one spring operatively connected to the rotating element for keeping it in a first position, the spring being elastically deformable along a linear axis; and sensing means operatively associated to the magnetic circuit. The magnetic circuit is configured in such a way that the rotating element rotates from the first position to a second position when the current in the primary conductor exceeds the predetermined current threshold, so as to at least reduce one or more air gaps between the rotating element and the fixed part and to elongate the spring from a first length to a second length.

Abstract: A parallel redundancy protocol (PRP) frame is generated at a first electronic device for transmission to a second electronic device over a LAN and a WAN. The PRP frame includes a source MAC address field, packet data, and a redundancy control trailer (RCT). The RCT is compliant with IEC standard 62439-3 and includes a sequence number field, a LAN identifier field, and a frame size field. The source MAC address of the first electronic device and at least one of a sequence number, a LAN identifier and a frame size for the RCT fields of the PRP frame are encoded, and the encoded data is inserted in at least one of the RCT fields of the PRP frame in place of the sequence number, LAN identifier and/or frame size. The PRP frame is transmitted to the second electronic device with the encoded data in the RCT.

Abstract: The present invention relates to a cut-off member intended to be electrically series-connected to an electric circuit comprising a device for protecting an electric installation against lightning, the cut-off member (1) comprising: a first conducting armature (7) electrically connected to a first coupling terminal (3) to the electric circuit and a second conducting armature (9) electrically connected to a second coupling terminal (5) for coupling to the electric circuit; at least one fuse element (11) disposed between the first conducting armature (7) and the second conducting armature (9) and electrically connected to the first conducting armature (7) and to the second conducting armature (9), the at least one fuse element (11) being arranged to melt when it is crossed by a current of a threshold intensity over a threshold period of time; a device for increasing a peak arc voltage (15) between the first conducting armature (7) and the second conducting armature (9) in the case of melting of the at least o

Abstract: A series injection device includes a power splitter coupled to two or more lines of an AC power system. The power splitter includes a coupling transformer for each phase of a single phase or polyphase AC circuit that includes the two or more lines. Each of the coupling transformers couples one of the phases of the two or more lines. The power splitter is configured to inject a first voltage of a first polarity into one or more of the two or more lines and inject a second voltage of a second polarity opposite the first polarity into at least one of the two or more lines via the same coupling transformers used to inject the first voltage. The first and the second voltages are controllable, and may or may not be independently variable.

Abstract: An arrangement, method and computer program product are provided for limiting circulating currents in a converter converting between AC and DC. The converter has a number of AC and DC terminals and includes a number of converter arms, where a first and a second converter arm are connected in parallel between a first DC terminal and a first AC terminal. Each converter arm includes a string of series-connected converter cells. The arrangement includes a control unit that obtains a current of the first converter arm and a current of the second converter arm, forms an average of the two converter arm currents, forms a first and a second voltage control signal based on the average and uses the first and second voltage control signal in the control of the voltage provided by the first and second converter arm.

Abstract: A rotary switch assembly, including a rotary contact and a stationary contact, and a rotary actuator for rotating the rotary contact such as to connect with and disconnect from the stationary contact. The rotary actuator includes a shield for shielding the rotary contact from a side that faces the stationary contact when the rotary contact and the stationary contacted are being disconnected from each other.

Abstract: A semiconductor module and a stack arrangement of semiconductor modules is proposed. The semiconductor module comprises an insulated gate bipolar transistor, a wide band-gap switch, a base plate, and a press device. The insulated gate bipolar transistor and the wide band-gap switch are connected in parallel and are each mounted with a first planar terminal to a side of the base plate. Further, a second planar terminal of the insulated gate bipolar transistor and a second planar terminal of the wind band-gap switch are connected with an electrically conductive connection element, and the press device is arranged on the second planar terminal of the insulated gate bipolar transistor. Hence, when arranging the semiconductor modules in a stack arrangement, any press force is primarily applied to the insulated gate bipolar transistors of the semiconductor modules.