公开(公告)号：US20180130143A1

公开(公告)日：2018-05-10

申请号：US15393490

申请日：2016-12-29

Applicant: KOREA INSTITUTE OF ENERGY RESEARCH

Inventor： Soo Bin HAN ,  Seaseung OH ,  Su Yong CHAE ,  Jaejoon CHOI

IPC: G06Q50/06 ,  G05F1/66 ,  G06Q30/02 ,  G06Q10/06

CPC classification number: G06Q50/06 ,  G05F1/66 ,  G06Q10/06313 ,  G06Q30/0283 ,  Y02P90/82 ,  Y04S50/14

Abstract: Provided is a control method of a complex energy system that supplies heat and power to energy consumers through a heat network and a power network. The control method includes monitoring energy consumption information of the energy consumers and confirming an energy price applied to each of the energy consumers, calculating a total energy consumption cost of the energy consumers according to the energy price and the energy consumption information, and controlling a cogenerator and a heat generator so that a sum of a power supply amount of the cogenerator and a power consumption amount from an external power grid is equal to a total power consumption amount of the energy consumers, a sum of a heat supply amount of the cogenerator and a heat supply amount of the heat generator is equal to a total heat consumption amount of the energy consumers, and a target function value obtained by subtracting the total energy consumption cost from a sum of a power consumption cost from the external power grid and operating costs of the cogenerator and the heat generator is maximized.

公开(公告)号：US20210157289A1

公开(公告)日：2021-05-27

申请号：US16899277

申请日：2020-06-11

Applicant: Korea Institute of Energy Research

Inventor： Jong Bok BAEK ,  Kuk Yeol BAE ,  Mo Se KANG ,  Sea Seung OH ,  Su Yong CHAE ,  Seon Ri HONG ,  Hak Geun JEONG

IPC: G05B19/042 ,  H02J13/00

Abstract: The present disclosure relates to a multifunctional energy storage system in which one energy storage system is capable of performing a plurality of functions and an operating method thereof. According to an aspect of the present disclosure, there is provided a multifunctional energy storage system including: a battery; a power converter to transfer power between a system and the battery; a multi-function controller to select the activation functions, to generate an integrated objective function, a weight, and a constraint condition corresponding to the activation functions, and to generate a control value for controlling each function included in the activation functions on the basis of the integrated objective function, the weight, and the constraint condition; and an individual function controller to receive the control value for each of the activation functions from the multi-function controller and to control the power converter so that each function is performed on the basis of the received control value.

公开(公告)号：US20210104896A1

公开(公告)日：2021-04-08

申请号：US16597236

申请日：2019-10-09

Applicant: Korea Institute of Energy Research

Inventor： Su Yong CHAE ,  Sea Seung Oh ,  Hak Geun Jeong ,  Jong Bok Baek ,  Soo Bin Han ,  Suk In Park

IPC: H02J7/00 ,  G01R31/382 ,  G06F17/11

Abstract: One exemplary embodiment provides a charging and discharging control apparatus for an energy storage apparatus, the charging and discharging control apparatus including: a charging and discharging controlling unit configured to control a charging and discharging current amount of the energy storage apparatus according to a droop curve; a communication unit configured to receive state information from the energy storage apparatus; and a droop curve adjusting unit configured to adjust a characteristic value of the droop curve according to the state information.

公开(公告)号：US20160351042A1

公开(公告)日：2016-12-01

申请号：US15165233

申请日：2016-05-26

Applicant: KOREA INSTITUTE OF ENERGY RESEARCH

Inventor： Su Yong CHAE ,  Seung Weon YU ,  Jin Ju PARK ,  Sea Shung OH ,  Gyu Duk KIM ,  Suk In PARK

IPC: G08B21/18 ,  G08B29/18

CPC classification number: H02H1/0015 ,  G01R31/1272

Abstract: The present provides an arc detection apparatus that includes: a current sensor configured to sense the first current that flows through the first line of a system in which the influence of noise according to the operation is detected in the first frequency band; a frequency data creator configured to digitally process sensed values of the first current in the first time period and the second time period, respectively, in order to thereby create the first frequency data and the second frequency data for the first frequency band; and an arc determination unit configured to determine the possibility of the generation of an arc of the system according to comparison data between the first frequency data and the second frequency data.

Abstract translation: 本发明提供了一种电弧检测装置，其包括：电流传感器，被配置为感测流经系统的第一线的第一电流，其中在第一频带中检测到根据操作的噪声的影响; 频率数据生成器，被配置为分别在所述第一时间段和所述第二时间段中数字地处理所述第一电流的感测值，从而为所述第一频带创建所述第一频率数据和所述第二频率数据; 以及电弧判定单元，其被配置为根据所述第一频率数据和所述第二频率数据之间的比较数据来确定所述系统的电弧的产生的可能性。

公开(公告)号：US20150115891A1

公开(公告)日：2015-04-30

申请号：US14523051

申请日：2014-10-24

Applicant: Korea Institute of Energy Research

Inventor： Yoon Dong SUNG ,  Su Bin HAN ,  Sea Seung OH ,  Su Yong CHAE ,  Gyu Duk KIM ,  Seung Weon YU ,  Yujin SONG ,  ILoun LEE ,  Sukin PARK

IPC: B60L11/18

CPC classification number: B60L11/1824 ,  B60L11/1844 ,  B60L11/1848 ,  B60L11/185 ,  B60L11/1862 ,  Y02E60/721 ,  Y02T10/7005 ,  Y02T10/7044 ,  Y02T10/705 ,  Y02T10/7072 ,  Y02T90/121 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/169 ,  Y04S10/126 ,  Y04S30/14

Abstract: The present disclosure provides a charging system including: at least two charging devices including at least two output units configured to supply connected automobiles with charging power, a first bus electrically connected to the output units and configured to transfer charging power to the output units, and a power processing unit configured to process power, which is supplied from a power source, using a first capacity and supply the first bus with the processed power; and a second bus configured to connect a first bus of a first charging device and a first bus of a second charging device, wherein, when a total capacity of charging power supplied to automobiles connected to the first charging device exceeds the first capacity, a part or all of lacking capacity is supplied via the second bus.

Abstract translation: 本公开提供了一种充电系统，包括：至少两个充电装置，包括被配置为向连接的汽车提供充电电力的至少两个输出单元，电连接到输出单元并被配置为将充电电力传送到输出单元的第一总线，以及 功率处理单元，被配置为使用第一容量来处理从电源提供的电力，并将第一总线提供处理的电力; 以及第二总线，被配置为连接第一充电装置的第一总线和第二充电装置的第一总线，其中，当提供给连接到所述第一充电装置的汽车的充电电力的总容量超过所述第一充电装置时， 或者通过第二总线提供所有缺少容量的容量。

公开(公告)号：US20220065916A1

公开(公告)日：2022-03-03

申请号：US17500944

申请日：2021-10-14

Applicant: Korea Institute of Energy Research

Inventor： Su Yong CHAE ,  Mo Se KANG ,  Kuk Yeol BAE ,  Suk In PARK ,  Hak Geun JEONG ,  Gi Hwan YOON

IPC: G01R31/12

Abstract: An embodiment of the present disclosure provides an arc detection method, in which an apparatus detects arcs, comprising the steps of: obtaining time series data for measured values of an electric current flowing in a wire; calculating first statistical values indicating dispersion degrees with time of the measured values or dispersion degrees with time of variances of the measured values from the time series data; and determining that an arc occurs in the wire or that the possibility of arc occurrence in the wire is high in a case when at least one of the first statistical values is out of a predefined range.

公开(公告)号：US20210255232A1

公开(公告)日：2021-08-19

申请号：US16841676

申请日：2020-04-07

Applicant: Korea Institute of Energy Research

Inventor： Su Yong CHAE ,  Mo Se KANG ,  Kuk Yeol BAE ,  Suk In PARK ,  Hak Geun JEONG ,  Gi Hwan YOON

IPC: G01R31/12

Abstract: An embodiment of the present disclosure provides an arc detection method, in which an apparatus detects arcs, comprising the steps of: obtaining time series data for measured values of an electric current flowing in a wire; calculating first statistical values indicating dispersion degrees with time of the measured values or dispersion degrees with time of variances of the measured values from the time series data; and determining that an arc occurs in the wire or that the possibility of arc occurrence in the wire is high in a case when at least one of the first statistical values is out of a predefined range.

公开(公告)号：US20150364982A1

公开(公告)日：2015-12-17

申请号：US14525846

申请日：2014-10-28

Applicant: KOREA INSTITUTE OF ENERGY RESEARCH

Inventor： Su Yong CHAE ,  Yu Jin SONG ,  Sea Seung OH ,  Yoon Dong SUNG ,  Jin Ju PARK

IPC: H02M1/00 ,  H02M3/157

CPC classification number: H02M3/157 ,  H02M3/1584 ,  H02M2001/0032 ,  Y02B70/16 ,  Y10T307/549

Abstract: Provided is a converter system including: a plurality of converter modules connected to one power source in parallel; and a controller for storing mapping information of first parameters corresponding to processing power of the converter modules and second parameters corresponding to the number of converter modules that optimally process the processing power among the converter modules, configuring a value of the first parameter according to a measurement value of power input into the converter modules or power output from the converter modules, calculating a value of the second parameter by substituting the value of the first parameter into the mapping information, selecting the number of converter modules corresponding to the value of the second parameters as active converter modules from the converter modules and processing the processing power by using the active converter modules, and controlling output power of the active converter module to gradually increase or decrease in a transient state where the value of the second parameter is changed.

Abstract translation: 提供一种转换器系统，包括：并联连接到一个电源的多个转换器模块; 以及控制器，用于存储对应于转换器模块的处理能力的第一参数的映射信息和对应于最佳地处理转换器模块之间的处理能力的转换器模块的数量的第二参数，根据测量配置第一参数的值 输入到转换器模块的功率值或从转换器模块输出的功率值，通过将第一参数的值代入映射信息来计算第二参数的值，选择与第二参数的值对应的转换器模块的数量 作为来自转换器模块的有源转换器模块，并且通过使用有源转换器模块来处理处理能力，并且控制有源转换器模块的输出功率在第二参数的值改变的过渡状态下逐渐增加或减少。