Abstract: A cable clamp device for retaining an electrical cable in relation to a carrier outside the device may include a stirrup comprising two legs connected by a curved base, a conducting stop which is mounted between the two legs and which includes a surface that establishes contact with the electrical cable, and a drive mechanism that effects a movement of the stirrup in relation to the conducting stop to move the base and the stop alternatively toward and away from one another. The contact surface of the stop may be concave in shape, the concavity of which may be turned in a direction of the base of the stirrup.

Abstract: In a method for forming a stepped profile from a layer sequence comprising a first patterning step, in which a first layer partial sequence is removed apart from a first residual layer partial sequence, a second patterning step, in which a second layer partial sequence located below the first layer partial sequence is partially removed by means of etching with a second etchant, and a third patterning step, in which a third layer partial sequence located below the second layer partial sequence is partially removed by means of etching with a third etchant, according to the invention, a region of the second layer partial sequence that is located below the first residual layer partial sequence is removed in the second patterning step and the first projection of the first residual layer partial sequence is removed in the third patterning step.

Abstract: A method for sensorless estimation of rotor speed and position of a permanent magnet synchronous machine the method comprising the steps of calculating first stator flux vector estimate ({circumflex over (?)}d,i+j{circumflex over (?)}q,i) using the flux model and measured stator currents, calculating second stator flux vector estimate ({circumflex over (?)}d,u+j{circumflex over (?)}q,u) using the voltage model and measured stator voltages, comparing the directions of the first and second flux vectors to achieve a first error signal (F?), using speed adaptation to achieve estimates for the rotor angular speed ({circumflex over (?)}m) and angular position ({circumflex over (?)}m) from the first error signal (F?), injecting a known voltage signal (uc) to the stator voltage, detecting a current signal (iqc) from the stator current to form a second error (?) signal, which is dependent on the estimation error of the rotor position, augmenting the voltage model by the second error signal (?) to keep the first and se

Abstract: The high-power switch (1) according to the invention, with at least one switch pole (2) for guiding and switching an electric current which flows in one current flow direction when the switch is in the closed state, with the at least one switch pole (2) containing an inner conductor (3) which carries the current and containing an outer conductor (4) which is connected to ground potential (G) and carries a return current in the opposite direction to the current, with the outer conductor (4) being in the form of a housing (4) which surrounds the inner conductor (3), is characterized in that a cooling rib arrangement (5) which contains cooling ribs (9) is arranged on the outer conductor (4). At least some of the cooling ribs are advantageously arranged on a separate part of the housing (4), which is not the same as the part (15) of the housing (4) which is at a minimum distance from the inner conductor (3).

Abstract: An improved robot arrangement for performing predetermined tasks, such as paint finishing, features equipping a robot with a plurality of manipulatable arms, with at least two of the arms performing like operations. Alternatively, a plurality of commonly controlled manipulator arms may be provided by clustering a plurality of conventional single arm robots on a common mounting stand.

Abstract: A cabling method especially for installing thick electric cables (1) for connection to electric devices (8), in which method the cables (1) are brought to a cabling space (3), fitted and supported in place, cut and stripped at necessary locations, and the desired cables are equipped with cable shoes (6) or connectors for installing to the electric device (8), in which case the cabling steps are, before connection to the electric device (8), performed mainly outside the electric device (8) to be connected by using a separately arranged cabling part (3) comprising said cabling space (3). The invention also relates to this cabling part.

Abstract: A meter for monitoring consumption of a resource, such as water or other fluids, and corresponding methods of configuring and operating the meter are disclosed. The meter includes processing and memory devices for determining and storing a supplier measure of consumption of the resource and a communication link for enabling a supplier to access the stored supplier measure. The supplier access is controlled by a first access control device, which prevents unauthorized access to the stored data. The meter further includes a consumer data memory for storing consumer data including a consumer measure of consumption and second access control device. The second access control device enables a consumer to access the stored consumer data without permitting the consumer to modify the stored supplier measure of consumption.

Abstract: The invention relates to a power semiconductor module having at least one semiconductor chip (11) made of a semiconductor material and having a first and a second main electrode (12, 13), a first and a second main connection (91, 92) and a contact lamina (2) in electrical contact with the first main electrode (12) and the first main connection (92). The contact lamina (2) contains an alloying partner which can form a eutectic with the semiconductor material. According to the invention, the contact lamina is coated with an electrically conductive protective layer (31, 32) that prevents formation of a fixed material connection between the first main electrode (12) and the contact lamina (2).

Abstract: An induction device having windings of different phases arranged around magnetic core limbs. The magnetic core limbs are connected by at least one body formed from magnetic particles in a matrix of a dielectric material.

Abstract: A method for coupling an inverter to an alternating voltage source, the inverter comprising a current controller, which controls phase currents and implements reference current. The method comprises steps of giving zero current as the reference current for the current controller, determining phase voltages of the inverter, determining frequency of the alternating voltage source from the determined phase voltages, and synchronizing and coupling the inverter to the determined frequency of the alternating voltage source.

Abstract: A permanent magnet element intended especially for electrotechnical devices and an electric machine, the element (1) comprising at least one permanent magnet piece (10). The permanent magnet element (1) also comprises a protective cover (11) that is arranged to partly surround the permanent magnet pieces (10) arranged in the element, and the permanent magnet element (1) also comprises one or more fastening elements (13; 21).

Abstract: The invention relates to a device for the surface treatment of workpieces (12) such as vehicle bodies. One such device has a plurality of successive treatment stations (1–9), a guiding system (16, 17) having a first guiding section (16) extending in the region of the treatment stations (1–9), and a plurality of rotational mounts (13) which can move individually on said guiding system (16, 17). Each rotational mount (13) has a holding device (14) for at least one workpiece (12) and a rotational axis (15) which is arranged in such a way that the workpeice (12) in the holding device (14) can be brought into, or taken out of, one of the treatment stations (1–9) by rotation about the rotational axis (15).

Abstract: The use of spring clamping clips (1) between two adjacent guide vane shafts (21, 22) leads to a defined force on the bearing points of the guide vane in the guide bush. The seating force, resulting from the clamping force and the flow-related lift/drift forces, of the guide vane in the guide bush is therefore always positive and the guide vane rests constantly in the guide bush.

Abstract: Electrical and mechanical connecting device for an electrical connection unit Electrical and mechanical connecting device designed to be connected to a connection unit, including at least two fixing branches, at least one of these branches being elastic, each including at its end means of fixing to a connection unit, at least a first mechanical bearing point bearing against the connection unit, situated between the ends including the fixing means of the two branches, a second bearing point promoting the electrical contact between the connection unit and the device, also situated between the ends including the fixing means of the two branches, and the means of connection to an external conductive component.

Abstract: A dry-type, resin-encapsulated transformer coil that includes multiple layers formed from a length of conductive material, and multiple cooling ducts that are formed of thermoplastic material and spaced between the layers of conductive material. The thermoplastic material forming the cooling ducts and the resin that encapsulates the multiple layers of conductive material are thermally and electrically compatible.

Abstract: A method for changing the speed of a motor group, in particular for starting or stopping it, the motor group comprising a plurality of squirrel-cage induction motors or synchronous motors and network converters arranged for their control, when the nominal supply power (Pns), the acceleration power (Pacct) at the final speed (Vmax) of the motors and the losses (Ploss) of the used power are known.

Abstract: The invention relates a method and a device for storing baggage delivered early, so-called early baggage, in traffic facilities, in particular commercial airports, which baggage is delivered to a check-in point a period, for example >2 h before the departure time of the respective transport vehicle, whereby this early baggage is being taken into storage until the time when it will be loaded into the respective transport vehicle by placing the baggage into a conveying system and storing it in this system in such a way that it can be removed from storage at any time and is brought via a removal station to the loading, whereby the early baggage is conveyed from the check-in point via a conveyor section of the conveying system to a special intermediate storage place and is handled there item by item mechanically and stacked in a space-saving manner at assigned intermediate storage places, the respective intermediate storage place for the respective baggage is recorded in an electronic data processing system, a

Abstract: A method for operating a doubly-fed machine by determining its rotational speed (nact), forming a rotational speed reference (nref), measuring network voltage and current, and calculating network active power (Pact) and reactive power (Qact). Thereafter, calculating shaft torque (T) based on active power (Pact) and rotating speed (nact), forming a frequency reference (Fref) for the inverter based on machine rotating speed (nact), rotating speed reference (nref), shaft torque (T), and the known pole pair number and network frequency, forming a reactive power reference (Qref) for the machine.

Abstract: The circuit breaker is intended for installation in a low-voltage distribution board having a socket and having at least two busbars which are guided parallel, are held on the socket and are each associated with one pole conductor of a multiphase power supply system. This circuit breaker has an enclosure as well as a plug contact for making contact with one of the busbars. The plug contact can be positioned as a function of the position of the busbar with which contact is to be made, and is held on a contact mount, which can be moved transversely with respect to the busbars and can be locked to the circuit breaker enclosure. In a circuit breaker such as this, a pole conductor change from one busbar to another busbar can be carried out quickly and without the use of any tools.

Abstract: A method and arrangements in a computerized system for control operations is disclosed. The computerized is adapted for processing data associated with real world entities based on objects representing the real world entities. In the method at least one formal instance is created, the at least one formal instance containing information regarding instantiation of at least one object. At least one formal instance is associated with one or more formal instances or groups of formal instances based on information of the type of said at least one object or the at least one formal instance.