The invention relates to a system to identify an electrical device connected to an electrical outlet. The electrical outlet has a sensor configured to measure an electrical signal of an electricity supply to the electrical device connected to the electrical outlet. A processor is configured to receive the measured electrical signal and determine an electrical signature of the electrical device based on one or more features of a frequency domain spectrum of the electrical signal. A processor is configured to compare the electrical signature against a signature database to identify the electrical device.

A smart plug designed to electrically connect a household appliance to power lines. The smart plug has an electronic controller configured to measure current and voltage of the electric power supplied to household appliance via a smart plug, determine electric quantities indicative at least of prefixed current harmonics and/or prefixed voltage harmonics, based on said measured current and voltage, determine load information which are indicative of electric loads of the household appliance being activated during an operating cycle performed by household appliance, based on determined electric quantities; determine the operating cycle performed by the household appliance based on the load information, communicate determined operating cycle to a network system.

A power control device is contained within a housing and has an electric current sensor configured to measure current passing through an electric outlet during a time period, a proximity sensor configured to detect a distance of an object relative to the electric outlet during the time period, a relay switch that can open or close to stop or conduct current through a circuit in the electric outlet in response to a command, and a wireless network interface in communication with the electric current sensor and the proximity sensor, the wireless network interface configured to transmit and receive data from the current sensor and the proximity sensor, to transmit commands to the relay switch, transmit the data to a computing device, and receive commands from the computing device.

The present disclosure aims to provide a charge unit for a robotic load handling device which reduces the wear/damage experienced by charge contacts of the charge unit and provides a solution whereby easier servicing of the charge unit can be accomplished. A charge unit for a robotic load handling device is operative on top of a grid framework. The charge unit includes a plurality of profiled sections arranged to interface with a hoist element of the robotic load handling device, and a power transfer device is arranged to transfer power to the robotic load handling device.

A custom outlet module is contained within a housing and has an electric current sensor configured to measure current passing through an electric outlet during a time period, a proximity sensor configured to detect a distance of an object relative to the electric outlet during the time period, a relay switch that can open or close to stop or conduct current through a circuit in the electric outlet in response to a command, and a wireless network interface in communication with the electric current sensor and the proximity sensor, the wireless network interface configured to transmit and receive data from the current sensor and the proximity sensor, to transmit commands to the relay switch, transmit the data to a computing device, and receive commands from the computing device.

The invention relates to an arrangement for controlling electrical gadgets, which comprises at least one master device and a slave switch device; or at least one master device and a slave socket device; or at least two master devices, as long as at least one of them is a switch-type device; or any of the master and switch devices and an external control. The arrangement for controlling electrical gadgets provides safety to the user and a substantial energy saving while generating comfort for the user.

An electric energy supply management method includes having a certifier system define a reference electric power profile for an electric apparatus, and having the certifier system provide a device coupled to the electric apparats and to a socket that delivers electric energy provided by an electric energy supplier. The device is associated only to the electric apparatus through the reference electric power profile. The method also includes having a user of the electric apparatus couple the electric apparatus to the socket through the device, and having the device check that the electric apparatus is coupled to the socket by comparing a measured electric power profile of the electric apparatus to the reference electric power profile. If the check has a positive outcome, the method has the device collect measurements about the electric power used by the electric apparatus and certify them as energy consumptions of the electric apparatus.

Systems and methods are disclosed to control the power grid frequency by capturing the frequency change using an extended Kalman filter method with the distributed smart outlet devices at the low-voltage distribution level; and locally control the relay that provides power to the appliance by comparing the captured frequency with the threshold sent from the cloud control center.

A region-based electrical intelligence system is used to configure and control electrical usage within regions, for example, within certain areas of a floor of a building or within certain floors of a building. A number of network-enabled electric plugs are deployed in a region. Each of the network-enabled electric plugs is configured to deliver electricity from an electricity source to one or more powered devices located in the region. A server runs a web application used to monitor electrical usage information for the region based on electrical usage by each of the one or more powered devices. The web application generates rules for selectively controlling the delivery of electricity from the network-enabled electric plugs to the powered devices based on the monitored electrical usage information.

Systems and methods for managing power distribution from in-home electrical wiring are disclosed. In one embodiment, a power splitter device includes a an electrical input source connection with a first input line and a second input line for two hot phases of alternating current electricity, a primary electrical output and a secondary electrical output, the primary electrical output having a first primary output line and a second primary output line and the secondary electrical output having a first secondary output line and a second secondary output line, a first, second, third, and fourth current sensor, a first relay and a second relay, and a control logic microprocessor configured to receive measurements of current, determine an overcurrent condition based upon measurements of current over a period of time and disconnect power from the secondary electrical output connection based upon a determined overcurrent condition.