Abstract: An energy metering system includes a plurality of sensors arranged in proximity to circuit breakers of a distribution panel for sensing a magnetic field in the area of the circuit breakers and providing corresponding sensor data. The system further includes a data processing system for converting the sensor data of the plurality of sensors into electrical load information for a plurality of electrical circuits protected by corresponding circuit breakers. The system further includes a calibration unit configured to determine at least a reference voltage and a reference current of at least one circuit. The data processing system is configured to calibrate a relationship between the sensor data and the load information based on the reference voltage and reference current determined by the calibration device in a calibration mode of the energy metering system.

Abstract: The present invention relates to an energy metering system for determining electrical loads of a distribution panel, sensor devices, and fuse boxes for an energy metering system. The energy metering system includes a plurality of sensors for sensing an electrical load of the plurality of circuit breakers and providing corresponding sensor data, wherein the plurality of sensors are arranged in proximity to a plurality of circuit breakers of the distribution panel. The energy metering system also includes a data processing system for converting the sensor data of the plurality of sensors into electrical load information for a plurality of electrical circuits protected by corresponding circuit breakers, and at least one energy harvesting device for powering the plurality of sensors. The at least one energy harvesting device is arranged in front of a protective cover of the distribution panel covering the plurality of electrical circuits.

Abstract: An energy metering system includes a plurality of sensors arranged in proximity to circuit breakers of a distribution panel for sensing a magnetic field in the area of the circuit breakers and providing corresponding sensor data. The system further includes a data processing system for converting the sensor data of the plurality of sensors into electrical load information for a plurality of electrical circuits protected by corresponding circuit breakers. The system further includes a calibration unit configured to determine at least a reference voltage and a reference current of at least one circuit. The data processing system is configured to calibrate a relationship between the sensor data and the load information based on the reference voltage and reference current determined by the calibration device in a calibration mode of the energy metering system.

Abstract: The present invention relates to an energy metering system for determining electrical loads of a distribution panel, sensor devices, and fuse boxes for an energy metering system. The energy metering system includes a plurality of sensors for sensing an electrical load of the plurality of circuit breakers and providing corresponding sensor data, wherein the plurality of sensors are arranged in proximity to a plurality of circuit breakers of the distribution panel. The energy metering system also includes a data processing system for converting the sensor data of the plurality of sensors into electrical load information for a plurality of electrical circuits protected by corresponding circuit breakers, and at least one energy harvesting device for powering the plurality of sensors. The at least one energy harvesting device is arranged in front of a protective cover of the distribution panel covering the plurality of electrical circuits.