Abstract: A forced discharge apparatus for a high-voltage component may include a component unit connected to a power supply unit through a connector. The forced discharge apparatus may also include a forced discharge circuit connected between the power supply unit and the component unit. The forced discharge apparatus may also include a control unit configured to discharge the component unit through the forced discharge circuit such that a voltage of the component unit becomes below a target voltage in response to a detection that a back electromotive force generated from the component unit when the connector is separated.

Abstract: A power supply apparatus according to an example embodiment includes an abnormal state determiner configured to determine a maximum output of a fuel cell by determining whether there is an abnormality in the fuel cell, a fuel cell controller configured to control output power of the fuel cell within the maximum output based on demand power of a load, an energy storage configured to charge with power by receiving the power from the fuel cell and supply the power to the load, a charging state determiner configured to determine a charging state of the energy storage based on a charging amount of the energy storage, and a storage controller configured to control charging and discharging of the energy storage based on a difference between the demand power of the load and the output power of the fuel cell.

Abstract: Provided is a capacity design method and apparatus for performing solar power generation of a residential complex that may calculate a capacity of a solar power generator and an energy storage device to achieve energy independence of a residential complex including a plurality of housings and reduce burden affecting a grid.

Abstract: A method and system for managing energy blockchain transactions in plus energy are disclosed. The energy blockchain transaction management method includes obtaining message data generated by collecting messages including energy-related data of respective households from collectors installed respectively in the households; analyzing the message data and correcting the message data based on an analysis result obtained by the analyzing; and generating an energy blockchain transaction based on the corrected message data and transmitting the generated energy blockchain transaction to a blockchain system.

Abstract: An event management method based on thermal energy data is disclosed. The event management method generates profiles in real time for a single error, a composite error, and a history error, respectively, and detects, from the respective generated profiles, an error in thermal energy data that may occur at every stage of thermal energy data supply, distribution, and consumption to manage an event to execute measures in response to the detected error in the thermal energy data.

Abstract: A power management apparatus and a housing complex combination method for trading surplus power for a housing are provided. Influencing factors in analyzing a consumption pattern of an individual housing and various correlations between the influencing factors are analyzed, and an optimal sustainable housing complex through supply of new renewable energy is formed.

Abstract: A power supply apparatus according to an example embodiment includes an abnormal state determiner configured to determine a maximum output of a fuel cell by determining whether there is an abnormality in the fuel cell, a fuel cell controller configured to control output power of the fuel cell within the maximum output based on demand power of a load, an energy storage configured to charge with power by receiving the power from the fuel cell and supply the power to the load, a charging state determiner configured to determine a charging state of the energy storage based on a charging amount of the energy storage, and a storage controller configured to control charging and discharging of the energy storage based on a difference between the demand power of the load and the output power of the fuel cell.

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: Provided is a missing data correction method and apparatus, and more particularly, a missing data correction method that estimates missing power and energy from an electricity meter in consideration of a case in which power data and energy data collected from the electricity meter are missing and generates continuous power data according to the estimated power and energy.

Abstract: A composite energy sensor is disclosed. The composite energy sensor may support decision-making by identifying a situation related to overall energy use, and provide sensor precision that is at a level of replacing a high-cost sensor through combination of low-cost sensor data.

Abstract: Provided is a capacity design method and apparatus for performing solar power generation of a residential complex that may calculate a capacity of a solar power generator and an energy storage device to achieve energy independence of a residential complex including a plurality of housings and reduce burden affecting a grid.

Abstract: A power management apparatus and a housing complex combination method for trading surplus power for a housing are provided. Influencing factors in analyzing a consumption pattern of an individual housing and various correlations between the influencing factors are analyzed, and an optimal sustainable housing complex through supply of new renewable energy is formed.

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: Disclosed is an adaptive cache transformation architecture for a cache deployed forward to minimize duplicated transmission, by automatically storing content in a subscriber network area. The system for adaptively deploying a cache positioned at a subscriber network includes a cache service group configured to store all or a part of pieces of content serviced from one or more content providing apparatuses to one or more terminals and including a plurality of caches deployed at a subscriber network between the content providing apparatus and the terminal in a distributed manner, and a resource manager configured to transform a deployment structure of the plurality of caches forming the cache service group, based on at least one of an increase rate in the number of pieces of contents requested by the one or more terminals and a reutilization rate for each content.

Abstract: A method of controlling a growth crystallographic plane of a metal oxide semiconductor having a wurtzite crystal structure by using a thermal chemical vapor deposition method includes controlling a growth crystallographic plane by allowing the metal oxide semiconductor to grow in a non-polar direction by using a source material including a thermal decomposition material that reduces a surface energy of a polar plane of the metal oxide semiconductor.

Abstract: A method of performing a function by combining one or more blocks including sensing whether the one or more blocks are connected, determining indexes respectively corresponding to the connected one or more blocks, deciding, by using the indexes, a function to be performed based on the sensing, the function being one of a plurality of functions, each function associated with a respective set of function blocks, and generating a control signal for performing the decided function may be provided.

Abstract: A method of controlling a growth crystallographic plane of a metal oxide semiconductor having a wurtzite crystal structure by using a thermal chemical vapor deposition method includes controlling a growth crystallographic plane by allowing the metal oxide semiconductor to grow in a non-polar direction by using a source material including a thermal decomposition material that reduces a surface energy of a polar plane of the metal oxide semiconductor.

Abstract: A system for recommending data analysis services is provided. The system comprises: a service catalog storing a list of analysis services; a data catalog storing a list of data of targets for analysis; an algorithm catalog storing a list of analysis algorithms; an interactive analytic tool receiving a user requirement in a word form; an analysis helper receiving the user requirement and extracting an analysis service corresponding to the user requirement from the service catalog; an analysis job generator receiving the user requirement, extracting data and an analysis algorithm corresponding to the user requirement from the data catalog and the algorithm catalog, respectively, and defining the extracted data and the extracted analysis algorithm to one job to generate a job, wherein the analysis job generator transmits the generated job to the analysis helper to deliver the job as recommendation analysis service information to a user through the interactive analytic tool.

Abstract: A method of controlling a growth crystallographic plane of a metal oxide semiconductor having a wurtzite crystal structure by using a thermal chemical vapor deposition method includes controlling a growth crystallographic plane by allowing the metal oxide semiconductor to grow in a non-polar direction by using a source material including a thermal decomposition material that reduces a surface energy of a polar plane of the metal oxide semiconductor.

Abstract: Disclosed is an adaptive cache transformation architecture for a cache deployed forward to minimize duplicated transmission, by automatically storing content in a subscriber network area. The system for adaptively deploying a cache positioned at a subscriber network includes a cache service group configured to store all or a part of pieces of content serviced from one or more content providing apparatuses to one or more terminals and including a plurality of caches deployed at a subscriber network between the content providing apparatus and the terminal in a distributed manner, and a resource manager configured to transform a deployment structure of the plurality of caches forming the cache service group, based on at least one of an increase rate in the number of pieces of contents requested by the one or more terminals and a reutilization rate for each content.