Abstract: An energy trading system and method for performing energy trading between blockchain-based servers are disclosed. Specifically, in the energy trading method, a blockchain transaction table is divided and operated into an energy channel and a trading channel for energy prosumer power trading, and a procedure for processing a transaction is provided through servers divided into an energy prosumer blockchain server, a power trading blockchain server, and an operator blockchain server.

Abstract: Disclosed is a method and apparatus for providing metering information that may provide a security for personal information. A metering information providing method collects metering information about a variety of energy, such as electricity, gas, heating, cooling, and hot water of an apartment house, provides the collected metering information to a utility provider and an energy information provider, and provides a systematic security function of personal information required to operate a new business model.

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: 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 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: 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 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: 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: 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: 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: Power line communication apparatuses, which are serially connected with power line. The power line communication apparatus may include a bypass unit to be serially connected to power line, and pass a communication signal that flows along the power line; a coupling circuit to be connected to two ends of the bypass unit, and couple the communication signal to the power line; an analog front end (AFE) unit to transform an input/output analog signal so that the input/output analog signal is transferred to the power line, and transfer the input/output analog signal to the coupling circuit unit; and a controller to transfer the communication signal, which is to be transferred through the power line to the AFE unit.

Abstract: Disclosed herein is a building energy management apparatus and method. The building energy management apparatus includes a Building Information Model (BIM) analysis unit for receiving and parsing BIM data and then analyzing BIM objects. A building energy object extraction unit extracts building energy objects related to building energy from the BIM objects. A building energy object database (DB) stores a building energy object data into a DB by arranging the building energy objects. A building energy management unit manages energy of a building based on the building energy object data. Accordingly, the present invention provides technology for extracting and managing objects of a building related to the energy of the building based on a BIM, thus efficiently managing building energy.

Abstract: A method and apparatus for constructing a data warehouse for managing mass building energy information are provided. The apparatus for constructing a data warehouse in order to manage mass building energy information includes a primitive database generator for constructing primitive databases in each building based on energy control point information, a time series data warehouse generator for generating time series data warehouses based on the constructed primitive databases, a space time series data warehouse generator for reconstructing the generated time series data warehouses based on an object construction information table including space information about objects for control points of the plurality of buildings to be controlled to generate space time series data warehouses, and a view database generator for generating view databases by a search condition in accordance with the search condition for energy usage information based on the generated space time series data warehouses.

Abstract: An optimal energy management and energy equipment control interlocking system for a residential complex is provided. The energy management system for managing energy used by a residential complex may include home servers provided in households in the residential complex to collect energy usage information from a plurality of home devices provided in each of the households, to manage the collected energy usage information, and to control energy used by the plurality of home devices, and a complex server for receiving the energy usage information from the home servers to perform integrated management on the received energy usage information, for controlling a corresponding home server based on the received energy usage information, demand response (DR) information, and profile information for saving energy to perform energy saving control in each household, and for controlling energy used by common equipment provided in the residential complex.

Abstract: An electrical outlet for automatically sensing an electrical device, a system for managing electric energy using the electrical outlet, and a method thereof are disclosed. The electrical outlet may include a plug connecting unit to which a plug of an electrical device including a radio frequency identification (RFID) tag is connected, an RFID reader for receiving information about the electrical device from the RFID tag, an electric energy measuring unit for measuring an amount of electric energy consumed by the electrical device, a controller for managing the received information about the electrical device and information about the measured amount of electric energy, and a communication unit for transmitting the information about the electrical device and the information about the amount of electric energy used to an electric energy management system.

Abstract: The network configuration technology for controlling an electric power sensor node is disclosed. The method for controlling electric power includes transmitting an an Ethernet packet type command message to at least one electric power sensor node through an LRWPAN-Ethernet bridge in accordance with profile information related to an electric power control, the profile information being set by a user; receiving LR-WPAN packet type response messages transmitted from the at least one electric power sensor node in response to the Ethernet package type command message as Ethernet packet type response messages through the LRWPAN-Ethernet bridge; and providing a control result of an electric power equipment corresponding to the at least one electric power sensor node to the user based on the Ethernet packet type response messages.

Abstract: An apparatus for generating a management plan of a building includes a basic reference input part for receiving at least one of an indoor-outdoor environment information, a building status information, a requirement for building-management, a sensor information, and a metering information. Further, the apparatus for generating the management plan of the building includes a building-management information part for accumulatively storing past building-management data; and a rule set part which is constructed by accumulating building-management plans extracted from accumulated past building-management information.