Abstract: A current sensing device includes sensor modules, each having a substrate segment and one or more coil elements and a holder structure; wherein the substrate segment comprises a plurality of retaining holes extending at least partially through the substrate segment from a first surface; each coil element comprises at least two locating pins; the one or more coil elements are mounted to the first surface of the substrate segment of that sensor module such that the two locating pins of the at least two locating pins of each coil element are located in two retaining holes of the plurality of retaining holes of the substrate segment; and wherein the plurality of sensor modules are mounted to the holder structure.

Abstract: A current sensing device includes a substrate and one or more coil elements. The substrate comprises a plurality of holes extending at least partially through the substrate from a first surface of the substrate. The coil element comprises two locating pins. A first locating pin engages a locating cavity of a first flange and locates in a first hole. A second locating pin engages another locating cavity of a second flange and locates in a second hole. The end of the first locating pin bends to form an obtuse angle. The end of the second locating pin also bends to form an obtuse angle.

Abstract: A current sensing device comprises N coil elements, arranged in annular or polygonal configuration. Coil at =1 is adjacent coil at i=N, and coil at i=x is adjacent to coils at i=x?1 and i=x+1. Each coil comprises a plurality of wire winding layers comprising innermost and outermost wire winding layers that are electrically connected to each other. The outermost layer of coil at i=1 is connected to a terminal via an electrical link. The outermost layer of coil at i=y is connected to innermost layer of coil at i=y?2 via an electrical link. Outermost layer of coil at i=2 is connected to a terminal via an electrical link. Outermost layer of coil at i=z is connected to innermost layer of coil at i=z-2 via an electrical link. Innermost layer of coil at i=N is connected to innermost layer of coil at i=N?1 via an electrical link.

Abstract: A coil element includes a winding body and a length of wire wound around the outer surface of the winding body. A cross section of the outer surface perpendicular to the axis of the winding body has a substantially rectangular shape. A first axis of the cross section is equally spaced from the two first sides and has a dimension, a, and a second axis of the cross section perpendicular to the first axis of the cross section is equally spaced from the two second sides and has a dimension, b. The cross section has a first radius rc, a second radius ra, a third radius rb, and a fourth radius rao; wherein a?b; rc<ra<?; rc<rb<?; ra<ra0; rb<ra0.

Abstract: A current sensing device includes a substrate and one or more coil elements. The substrate comprises a plurality of holes extending at least part way through the substrate from a first surface of the substrate, wherein prior to a coil element being mounted to the substrate each of the plurality holes has a circular or polygonal cross section. Each coil element comprises a plurality of locating pins. A first locating pin of the plurality of locating pins projects from the coil element in a direction parallel to a pin axis that is perpendicular to the axis of the winding body. A second locating pin of the plurality of locating pins projects from the coil element in the direction parallel to the pin axis.

Abstract: A monitoring system includes a frame, a fixed contact, a moveable contact, a drive mechanism, and a linkage mechanism, wherein the fixed contact is fixed in position with respect to the frame, and wherein the linkage mechanism is coupled to the drive and the moveable contact, and wherein activation of the drive is configured to move the linkage mechanism such that the moveable contact is moved towards or away from the fixed contact, and wherein the monitoring system comprises a sensor system having a position sensor and a processor, the position sensor configured to be positioned with respect to the frame and the linkage mechanism such that lateral movement of a part of the linkage mechanism generates at least one displacement signal; and the processor configured to convert the at least one displacement signal to a displacement movement of the moveable contact toward or away from the fixed contact.

Abstract: A monitoring system includes a frame, a fixed contact, a moveable contact, a drive mechanism, and a linkage mechanism, wherein the fixed contact is fixed in position with respect to the frame, and wherein the linkage mechanism is coupled to the drive and the moveable contact, and wherein activation of the drive is configured to move the linkage mechanism such that the moveable contact is moved towards or away from the fixed contact, and wherein the monitoring system comprises a sensor system having a position sensor and a processor, the position sensor configured to be positioned with respect to the frame and the linkage mechanism such that lateral movement of a part of the linkage mechanism generates at least one displacement signal; and the processor configured to convert the at least one displacement signal to a displacement movement of the moveable contact toward or away from the fixed contact.

Abstract: A calibration method for calibrating a magnetizable core, wherein the magnetizable core is coupled to a magnetic transducer; the method comprising applying a pulse of magnetomotive force to the core such that a distinct value of remanence is produced in the core, wherein the value of remanence in the core depends on a strength of the pulse.

Abstract: A voltage and or current sensor device for use in medium- or high voltage application, wherein a sensor or sensors of the sensor device is or are arranged in a housing. To enhance communication between the sensor and an electronical device, in order to use maximum possible accuracy potential of the voltage and current sensors, a signal and/or data memory element is integrated in the sensor housing, or placed near the sensor such that the sensor device output signal can be directly evaluated.

Abstract: A resistive voltage divider includes first and second resistors, which are electrically connected in series and are made of a resistive film material which is applied in the form of a trace onto an insulating substrate. The divider's voltage ratio has a value between ten and one million. To improve the accuracy of the voltage divider, the first and second resistors are made of the same resistive film material, have a trace length above a corresponding specific trace length, and have approximately the same trace width.

Abstract: A resistive voltage divider includes a first resistor and a second resistor electrically connected in series. Each of the resistors is made of an electrically resistive film material and applied in the form of a trace onto an insulating substrate. The divider's voltage ratio has a value between one hundred and one million, where two ends of the trace of the second resistor overlap at least in part with a first and a second) contacting terminal, respectively, and two ends of the trace of the first resistor overlap at least in part with the first and third contacting terminal, respectively. In order to decrease the parasitic capacitance between the first contacting terminal and the third contacting terminal, the second contacting terminal is placed with at least a screening part between the first and the third contacting terminals.

Abstract: A resistive voltage divider includes at least a first and a second resistor electrically connected in series. The resistors are made of an electrically resistive film material and each resistor is applied as a trace onto an insulating substrate. The divider's voltage ratio has a value between one hundred and one million. In order to achieve these high voltage ratios, a third resistor is electrically connected in parallel with the second resistor. The trace of the second and of the third resistor each overlap on one end at least in part with a first contacting terminal and on the respective other end at least in part with a second contacting terminal. A compact size of the divider is maintained by arranging the first and second contacting terminals in an interdigitated manner.

Abstract: A resistive voltage divider includes at least a first and a second resistor electrically connected in series. The resistors are made of an electrically resistive film material and each resistor is applied as a trace onto an insulating substrate. The divider's voltage ratio has a value between one hundred and one million. In order to achieve these high voltage ratios, a third resistor is electrically connected in parallel with the second resistor. The trace of the second and of the third resistor each overlap on one end at least in part with a first contacting terminal and on the respective other end at least in part with a second contacting terminal. A compact size of the divider is maintained by arranging the first and second contacting terminals in an interdigitated manner.

Abstract: A resistive structure has an improved electric field profile deposited on the surface of a cylindrical insulating substrate. At least one resistive path or trace is provided with a helix-looking shape and is directly printed on the surface of the insulating substrate. A resistive voltage divider includes first and second resistors electrically connected in series, where each resistor is made of one or more traces of electrically resistive film material applied onto a cylindrical insulating substrate. At least one of the traces is shaped like a helix and is applied onto the substrate by direct printing.

Abstract: A voltage and or current sensor device for use in medium- or high voltage application, wherein a sensor or sensors of the sensor device is or are arranged in a housing. To enhance communication between the sensor and an electronical device, in order to use maximum possible accuracy potential of the voltage and current sensors, a signal and/or data memory element is integrated in the sensor housing, or placed near the sensor such that the sensor device output signal can be directly evaluated.

Abstract: An exemplary electrical device for measuring alternating current or current pulses includes at least one coil of electrically conductive wire being wound around a non-magnetic carrier, where the non-magnetic carrier is made of glass.

Abstract: An exemplary current sensor operating in accordance with the principle of compensation includes a primary winding creating a magnetic field based on a current to be measured, a secondary winding generating a magnetic field compensating the primary winding based on a compensation current. The current sensor also includes a magnetic core, a terminating resistor connected in series to the secondary winding, and sensor means. A booster circuit is connected downstream of the sensor means and feeds the compensation current to the secondary winding via the terminating resistor. The booster circuit includes a switched mode amplifier with a pulse width and density modulator that operates based on pulse width and density modulation, turning the compensation current into a pulse width and density modulated current. The switched mode amplifier having a switching frequency that is high at when the compensation current is small and low when the compensation current is high.

Abstract: A phase-locked loop is provided for estimating a phase angle of a three-phase reference signal. The phase-locked loop includes a device for calculating an estimated first state and an estimated second state at a fundamental frequency on the basis of the reference signal and the estimated fundamental frequency, a device for calculating a fundamental positive sequence component of the reference signal on the basis of the first state and the second state, a device for calculating a direct component and a quadrature component in a reference frame synchronous with the phase angle on the basis of the fundamental positive sequence component and an estimated phase angle, and a device for determining estimates of the estimated fundamental frequency and the estimated phase angle on the basis of the quadrature component.

Abstract: A resistive structure has an improved electric field profile deposited on the surface of a cylindrical insulating substrate. At least one resistive path or trace is provided with a helix-looking shape and is directly printed on the surface of the insulating substrate. A resistive voltage divider includes first and second resistors electrically connected in series, where each resistor is made of one or more traces of electrically resistive film material applied onto a cylindrical insulating substrate. At least one of the traces is shaped like a helix and is applied onto the substrate by direct printing.

Abstract: A resistive voltage divider includes a first resistor and a second resistor electrically connected in series. Each of the resistors is made of an electrically resistive film material and applied in the form of a trace onto an insulating substrate. The divider's voltage ratio has a value between one hundred and one million, where two ends of the trace of the second resistor overlap at least in part with a first and a second) contacting terminal, respectively, and two ends of the trace of the first resistor overlap at least in part with the first and third contacting terminal, respectively. In order to decrease the parasitic capacitance between the first contacting terminal and the third contacting terminal, the second contacting terminal is placed with at least a screening part between the first and the third contacting terminals.