A non-contact power meter system for measuring power in an energized cable is provided. It includes: at least one electric field sensor; a plurality of magnetic field sensors, wherein the at least two magnetic field sensors together are configured to measure a magnetic field in a tangential direction and a radial direction with respect the energized cable measured; and a processor, which receives measurement signals from the various sensors, and is configured to measure power in the energized cable. A method of determining twist in an energized cable using non-contact power meter system(s) is also provided.

In embodiments, it is provided an integrated device for providing a measure of a quantity dependent on current through an electrical conductor, having: a sensing and processing sub-system; an electrical conductor to conduct a current; an insulating material encapsulating the sensing and processing sub-system and maintaining the electrical conductor in a fixed and spaced relationship to the sensing and processing sub-system, wherein the insulating material is configured to insulate the electrical conductor from the sensing and processing sub-system; sensing circuitry comprising a plurality of magnetic field sensing elements arranged on the sensing and processing sub-system adjacent to the electrical conductor, wherein the sensing circuitry is configured to provide a measure of the quantity as a weighted sum and/or difference of outputs of the magnetic field sensing elements caused by the current flowing through the electrical conductor adjacent to the plurality of magnetic field sensing elements; a voltage sensing input for sensing a measure of voltage associated with the current conductor; and output circuitry on the sensing and processing sub-system arranged to provide an output measure of the quantity from the sensed measure of current and sensed measure of voltage.

In embodiments, it is provided an integrated device for providing a measure of a quantity dependent on current through an electrical conductor, having: a sensing and processing sub-system; an electrical conductor to conduct a current; an insulating material encapsulating the sensing and processing sub-system and maintaining the electrical conductor in a fixed and spaced relationship to the sensing and processing sub-system, wherein the insulating material is configured to insulate the electrical conductor from the sensing and processing sub-system; sensing circuitry comprising a plurality of magnetic field sensing elements arranged on the sensing and processing sub-system adjacent to the electrical conductor, wherein the sensing circuitry is configured to provide a measure of the quantity as a weighted sum and/or difference of outputs of the magnetic field sensing elements caused by the current flowing through the electrical conductor adjacent to the plurality of magnetic field sensing elements; a voltage sensing input for sensing a measure of voltage associated with the current conductor; and output circuitry on the sensing and processing sub-system arranged to provide an output measure of the quantity from the sensed measure of current and sensed measure of voltage.

A current sensor includes a substrate, a first bus bar, and a second bus bar. The first bus bar has a first detection recess recessed in a square U-shape upstream in the extending direction (in the Y-direction) and a first adjustment recess downstream, with a first intermediate portion therebetween. The bottom surface of the first detection recess is a first bottom surface. The first sensitive axis of a first magneto-electric conversion element, if extended toward the second bus bar, abuts the body of the second bus bar at a portion where a second adjustment recess is provided.

A structure includes a substrate which includes a surface. The structure also includes a horizontal-type Hall sensor positioned within the substrate and below the surface of the substrate. The structure further includes a patterned magnetic concentrator positioned above the surface of the substrate, and a protective overcoat layer positioned above the magnetic concentrator.

A multi-sensor, real-time, in-process current and voltage estimation system is disclosed including sensors, affiliated hardware, and data processing algorithms that allow accurate estimation of currents and voltages from magnetic and electric field measurements, respectively. Aspects of the system may be embodied in a detector that is readily attachable to conductors of an energized system for contactless current and/or voltage sensing of the conductors without requiring the conductors to be disconnected from the energized system.

A multi-sensor, real-time, in-process current and voltage estimation system is disclosed including sensors, affiliated hardware, and data processing algorithms that allow accurate estimation of currents and voltages from magnetic and electric field measurements, respectively. Aspects of the system may be embodied in a detector that is readily attachable to conductors of an energized system for contactless current and/or voltage sensing of the conductors without requiring the conductors to be disconnected from the energized system.

The present disclosure relates to a method for monitoring power consumption based on current sensing, a wireless power sensing device, and a cloud device. The wireless power sensing device includes a current-acquisition unit configured to sense current flowing in an electrical wire and to generate a current value; a control unit configured to apply the current value by a supply voltage to the electrical wire to calculate a power value; and a communication unit configured to transmit the power value to a cloud device in a predetermined manner.

A structure includes a substrate which includes a surface. The structure also includes a horizontal-type Hall sensor positioned within the substrate and below the surface of the substrate. The structure further includes a patterned magnetic concentrator positioned above the surface of the substrate, and a protective overcoat layer positioned above the magnetic concentrator.

A method for operating a power consumption metering system and a power consumption metering system are disclosed. In an embodiment a method include measuring, by a sensor deployed at a monitored site, high speed power consumption values over time to obtain a high speed value pattern of power consumption with a resolution of more than 1000 values per second, determining one or more harmonics of the high speed value pattern, measuring, by the sensor, low speed power consumption values over time to obtain a low speed value pattern of the power consumption with a resolution of less than 100 values per second, providing the harmonics and the low speed value pattern to a cloud based data processing system and identifying a status of a power consumer of the monitored site dependent on the measured harmonics and the low speed value pattern.