Abstract: A method of generating an energy map and an apparatus using the same. The method of generating an energy map includes acquiring a plurality of energy events and a situation event, arranging the plurality of energy events and the situation event temporally in an energy map in an order of occurrence, calculating a weight of the plurality of energy events and the situation event, and determining a correlation between the plurality of energy events and the situation event based on the weight.

Abstract: A network apparatus for interconnecting heterogeneous networks and an interconnecting method thereof. The network apparatus includes a communicator configured to communicate with a heterogeneous network apparatus using the same frequency band, to communicate with the heterogeneous network apparatus through a gateway in a first communication mode, and to perform direct two-way communication with the heterogeneous network apparatus in a second communication mode; and a processor configured to determine a signal received through the communicator, and to determine a communication mode with the heterogeneous communication network.

Abstract: Provided herein is a system for managing energy of a residential community sharing energy, the system including a plurality of home EMS (Energy Management System) provided in individual households; a unit for supplying common use energy having a production unit configured to produce common use energy, and a storage unit for charging the produced common use energy; and a residential community EMS configured to manage production and charging of the common use energy, and to control the unit for supplying the common use energy, in response to receiving a signal requesting to use the common use energy transmitted from a home EMS supply, supply the common use energy to the home EMS that transmitted the signal requesting to use the common use energy.

Abstract: A power conversion apparatus includes a first power conversion unit for converting power produced by a power generation device while being connected to the power generation device and transmitting converted power to any one of a grid and an energy storage device, a second power conversion unit for converting power discharged from the energy storage device while being connected to the energy storage device and transmitting converted power to the first power conversion unit, and a switch control unit for switching the first power conversion unit to any one of the grid and the energy storage device depending on a state of the grid and then transmitting power of the first power conversion unit.

Abstract: Disclosed herein are a smart plug-based power management method for preventing a power failure and an apparatus for the method. The power management method includes acquiring load amount information for each of multiple loads corresponding to power management targets, checking a maximum amount of power that is capable of being generated by a solar power generator, setting a power supply mode based on at least one of whether power is being supplied from a power system and a result of a comparison of the load amount information with the maximum amount of power, and performing power management so as to prevent a power failure by interrupting a supply of power so as to correspond to the power supply mode based on multiple smart plugs for controlling corresponding ones of the multiple loads.

Abstract: Disclosed herein are an apparatus and method for analyzing a building. The apparatus for analyzing a building includes a configuration unit for configuring analysis settings for analyzing a target building; a calculation unit for calculating a distance based on similarity by acquiring information about the target building and information about a standard building depending on the analysis settings and for generating a result of analysis of the target building using the distance; and an output unit for outputting the result of analysis of the target building.

Abstract: A system for configuring low-power wireless network is disclosed. The system includes at least one wireless device configured to be used in a low-power wireless network and be assigned to a new network identifier and a new device identifier; a network coordinator configured to manage the low-power wireless network using the new network identifier and the new device identifier; and a mobile terminal configured to search for the wireless device and assign the new network identifier and the new device identifier to the searched wireless device and transmit the new network identifier and the new device identifier to the network coordinator.

Abstract: The present invention provides an apparatus and method for collecting state information of a solar module, which map a physical shape of a solar module, a string, and an array to a network layer of a modem, a repeater, and a gateway, and receive information about a solar power generation state from a node of an activated lower layer, thereby increasing an efficiency of data collection.

Abstract: A network apparatus for interconnecting heterogeneous networks and an interconnecting method thereof. The network apparatus includes a communicator configured to communicate with a heterogeneous network apparatus using the same frequency band, to communicate with the heterogeneous network apparatus through a gateway in a first communication module, and to perform direct two-way communication with the heterogeneous network apparatus in a second communication mode; and a processor configured to determine a signal received through the communicator, and to determine a communication mode with the heterogeneous communication network.

Abstract: Disclosed is an apparatus and method for automatically configuring a sensor to configure a building energy management system (BEMS). The apparatus may include an information input unit to receive input of information on a building in which a BEMS is to be built, information on a sensor used to build the BEMS, and information on a budget allocated to build the BEMS, a sensor disposition unit to calculate a position for the sensor to be disposed in the building based on the input information on the building, the sensor and the allocated budget, and a user interface unit to display the disposed position for the sensor.

Abstract: Provided herein is a system for managing energy of a residential community sharing energy, the system including a plurality of home EMS (Energy Management System) provided in individual households; a unit for supplying common use energy having a production unit configured to produce common use energy, and a storage unit for charging the produced common use energy; and a residential community EMS configured to manage production and charging of the common use energy, and to control the unit for supplying the common use energy, in response to receiving a signal requesting to use the common use energy transmitted from a home EMS supply, supply the common use energy to the home EMS that transmitted the signal requesting to use the common use energy.

Abstract: A method and apparatus for time synchronization between a plurality of nodes in a network. The apparatus distinguishes between an optical synchronization signal for synchronization between nodes and an optical data signal for data transmission, and synchronizes nodes with each other using the optical synchronization signal.

Abstract: The present invention relates to a method and apparatus for energy management considering multiple context. An embodiment of the present invention allows providing an energy management and saving plan, which is generated by collecting information about space, user, device, service profile, user's energy using pattern, user number, sensor data, energy saving information, weather information, regulations relating thereto, real-time energy price information, demand response information, big data and ontology, to manage and save energy efficiently.

Abstract: The present invention relates to an apparatus and method for managing a home energy information profile based on a smart plug. According to the apparatus for managing a home energy information profile based on a smart plug according to the present invention, it is detected that an energy load device is plugged in or plugged out of the smart plug without adding an additional device such as an RFID tag, and an energy information profile is transmitted to a home energy management server when a corresponding event occurs, so that a user immediately change shape information of the energy load device. According to the present invention, a smart plug manages shape information on a load device plugged in or plugged out of the smart plug on the basis of a plugging in/plugging out event so that information on the load device may constantly match information stored in a home energy management server.

Abstract: The present invention provides an apparatus and method for collecting state information of a solar module, which map a physical shape of a solar module, a string, and an array to a network layer of a modem, a repeater, and a gateway, and receive information about a solar power generation state from a node of an activated lower layer, thereby increasing an efficiency of data collection.

Abstract: A method and apparatus for time synchronization between a plurality of nodes in a network. The apparatus distinguishes between an optical synchronization signal for synchronization between nodes and an optical data signal for data transmission, and synchronizes nodes with each other using the optical synchronization signal.

Abstract: Disclosed is an apparatus for managing energy. The apparatus includes a user recognition unit configured to recognize each of users who use an energy consuming device; an energy usage receiving unit configured to receive energy usage that is consumed by the user; and a communication unit configured to communicate with an energy volume-rate server that manages the energy usage for each of the user. Further, the apparatus includes a controlling unit configured to control the driving of the energy consuming device depending on regulatory guidance the energy consuming device that is received via the communication unit. Furthermore, the regulatory guidance is determined by the energy volume-rate server.

Abstract: An energy management system in a smart grid environment includes: an electrical power producing apparatus for collecting and analyzing real time price information and electrical power production environment information inputted through a communication network interface to thereby determine a control of an electrical power production; a micro grid, connected to the electrical power producing apparatus, for supplying an electrical power in a local micro grid environment; an electrical power grid, connected to the micro grid, for supplying a main power; and an energy routing service apparatus for transmitting an electrical power and processing an energy information packet for a control of an electrical power flow.

Abstract: An apparatus for monitoring a building state, the apparatus comprising: a receiver configured to receive state data of a building from a plurality of sensors that are used to measure a building state; a state database configured to store the state data; a reference database configured to store a reference to determine whether the state data are abnormal; a security determining unit configured to extract abnormal data determined to be in an abnormal scope among the state data; and an abnormal database configured to store the abnormal data.

Abstract: Disclosed are a method and an apparatus for a coaxial cable based broadcast and communication convergence in a home network for supporting a frequency band less than a frequency band used in Multimedia over Coax Alliance (MoCA). The apparatus for broadcast and communication convergence includes a broadcast processor that transmits and receives broadcast signals from an external broadcasting network; a communication processor that transmits and receives communication signals from an external communication network; and a broadcast and communication converging unit that is operated as a terminal for the broadcast signals input to the broadcast processor and the communication signals input to the communication processor, and divides an occupied frequency band of the broadcast signals from a remaining frequency band, and uses the remaining frequency band as a channel for the communication signals.