A system and method for remotely monitoring, measuring and controlling power to an electrically powered device is disclosed herein. The system preferably comprises an apparatus, an electrically-powered device and a controller. The apparatus preferably comprises a cord, an alternating current outlet socket, an alternating current input plug, an electro-mechanical relay, a processor and a transceiver. The system preferably uses a WiFi communication signal to transmit commands from the remote controller to the apparatus.

This energy management device is provided at a customer and is capable of controlling an electric appliance of the customer by communicating with a server. The server is configured to send a request for demand response. The energy management device includes: a receiver configured to receive the request for the demand response from the server; a transmitter configured to transmit a response indicating participation or nonparticipation with respect to the request; an electric appliance control unit configured to control the electric appliance; and an information acquisition unit configured to acquire information of the electric appliance. When determination that the request for the demand response is not achievable has been made after the response indicating participation has been transmitted, a response indicating nonparticipation is transmitted.

A building manager includes a communications interface configured to receive information from a smart energy grid. The building manager further includes an integrated control layer configured to receive inputs from and to provide outputs to a plurality of building subsystems. The integrated control layer includes a plurality of control algorithm modules configured to process the inputs and to determine the outputs. The building manager further includes a fault detection and diagnostics layer configured to use statistical analysis on the inputs received from the integrated control layer to detect and diagnose faults. The building manager yet further includes a demand response layer configured to process the information received from the smart energy grid to determine adjustments to the plurality of control algorithms of the integrated control layer.

A control system (300) allows recognized standard premise electrical outlets, for example NEMA, CEE and BS, among others to be remotely monitored and/or controlled, for example, to intelligently execute blackouts or brownouts or to otherwise remotely control electrical devices. The system (300) includes a number of smart receptacles (302) that communicate with a local controller (304), e.g., via power lines using the TCP/IP protocol. The local controller (304), in turn, communicates with a remote controller (308) via the internet.

Systems and methods dynamically assess energy efficiency by obtaining a minimum energy consumption of a system, receiving in a substantially continuous way a measurement of actual energy consumption of the system, and comparing the minimum energy consumption to the measurement of actual energy consumption to calculate a substantially continuous energy performance assessment. The system further provides at least one of a theoretical minimum energy consumption based at least in part on theoretical performance limits of system components, an achievable minimum energy consumption based at least in part on specifications for high energy efficient equivalents of the system components, and the designed minimum energy consumption based at least in part on specifications for the system components.

An energy management device according to an embodiment of the present invention comprises: a communication unit for receiving energy information of a system to which the energy management device belongs; a display unit for displaying any one energy information icon on the basis of the received energy information; and a control unit for displaying at least one energy information icon corresponding to a lower level of the energy information icon upon receiving a command to select an expansion icon corresponding to the energy information icon, and connecting the energy information icon having the selected expansion icon and the energy information icon corresponding to the lower level to energy nodes having different thickness according to the amount of energy.

A method recognizes topology in low-voltage networks including local substations each having a plurality of output lines connected to a controllable electrical resource, and a control apparatus of each local substation. The method uses a computer arrangement assigning resources to the control apparatuses based on geographical proximity, selecting an assigned resource, transmitting a test control command specific to the selected resource from the control apparatus to the assigned resources, the test control command configured to trigger a change in power consumption or power output of the selected resource, measuring a change in an electrical variable on the output lines of the local substation by using a measuring apparatus, and assigning the selected electrical resource to that output line of that local substation on which a correlation between test control command and change is recognized. An arrangement for recognizing a topology in a low-voltage network is also provided.

A monitoring system for recognizing a contingency in a power supply network including in-field measurement devices adapted to generate measurement data of the power supply network and a processing unit adapted to process the measurement data generated by the in-field measurement devices of the power supply network by using a local network state estimation model to calculate local network state profiles used to generate a global network state profile, wherein the processing unit is further adapted to process the measurement data generated by the in-field measurement devices of the power supply network to provide a relevance profile including for the in-field measurement devices a relevance distribution indicating a probability where the origin of a contingency within the power supply network.

A control system and method for a group of interconnected feeders which enables fault location, isolation and service restoration without requiring each switch to have topology knowledge of devices in adjacent feeders. The method defines, for each switch, connectivity and X/Y directional information about its neighboring switches and propagates this information throughout each feeder. A leader device is also determined for each feeder. Information about topology of adjacent feeders is not needed by all devices. Only normally-open tie switches which define a boundary between two adjacent feeders have knowledge of the devices in both feeders. Switches which open during fault isolation automatically find open tie switches in a direction opposite the fault, and request service restoration downstream of the fault by providing power from an adjacent feeder. Leader devices ensure an overload condition is not created before initiating opening and closing operations of switches downstream of the fault.

A control device is connected to power loads installed in a consumer facility so as to be able to communicate with the power loads. The control device includes: a control unit; and a display unit. The control unit determines the power loads and predicted power consumption when the power loads are used, determines at least one usable power load out of the power loads based on a remaining amount of available electric power in the consumer facility and the predicted power consumption, displays the usable power load on the display unit such that the usable power load is selectable, and controls use of the selected power load.