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公开(公告)号：KR1020160038924A
公开(公告)日：2016-04-08
申请号：KR1020140130780
申请日：2014-09-30
Applicant: 한국전기연구원
CPC classification number: Y02P80/14 , H03C3/0958 , H02J3/38 , H02J3/381 , Y04S10/265
Abstract: 아일랜딩검지시스템에의한마이크로그리드내의아일랜딩현상검지방법에있어서, 분산전원에서의전압에관한단위시간당주파수정보를수집하는단계; 수집한주파수정보를통해주파수변화율을계산하는단계; 주파수변화율이문턱값을초과하는경우, 초과시간을산정하는단계; 및산정한초과시간이일정시간이상인경우아일랜딩현상으로판정하는단계를포함하는것을특징으로하는마이크로그리드아일랜딩검지방법이개시된다.
Abstract translation: 公开了一种通过孤岛检测系统检测微电网中的孤岛的方法。 该方法包括以下步骤：单位时间收集关于分布电力电压的频率信息; 通过收集的频率信息计算频率变化率; 如果频率变化率超过阈值则计算超时时间; 以及如果所计算的超过时间是否不低于预定时间，则确定孤岛。
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32.发明公开
公开(公告)号：KR1020150080233A
公开(公告)日：2015-07-09
申请号：KR1020130168370
申请日：2013-12-31
Applicant: 한국전기연구원
Abstract: IEC 61850 기반의분산전원플러그앤플레이가가능한마이크로그리드및 그분산전원플러그앤플레이방법이개시된다. 본발명에따른마이크로그리드는, 다양한종류로구성된다수의분산전원및 선로임피던스를포함하는배전선로; 배전선로에분산하여분포된부하; 및각각의분산전원및 부하와네트워크사이의데이터송수신을중계하는마이크로그리드 EMS(Energy Management System)를포함하는것을특징으로한다.
Abstract translation: 公开了能够基于IEC 61850的分散电源即插即用的微格栅和其分散电源即插即用方法。 根据本发明的微电网包括：分配线包括多种分散电源和线路阻抗; 分布在分布线上的载荷; 以及在每个分散电源和每个负载之间进行数据传输和接收的微电网能量管理系统（EMS）。
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公开(公告)号：KR1020140072965A
公开(公告)日：2014-06-16
申请号：KR1020120140082
申请日：2012-12-05
Applicant: 한국전기연구원
IPC: H02J7/04
CPC classification number: H02J7/0014 , H02J7/045
Abstract: A method for balancing cells of a battery module is provided to balance voltages of at least two battery cells included in a battery module by a battery management system (BMS). The method for balancing cells of a battery module includes the steps of: (a) measuring, by a measuring unit included in a BMS, an open circuit voltage (OCV) which is a charge voltage of each of battery cells; (b) setting, by a control unit of the BMS, a voltage included among the measured OCVs as a balancing voltage; (c) controlling, by the control unit of BMS, the respective battery cells having the measured OCVs which are higher than the balancing voltage to be balanced to have the balancing voltage by discharging currents to resistance based on the set balancing voltage by controlling a switch circuit which is included in a cell balancing unit of the BMS and is electrically connected to the resistance; and (d) controlling, by the control unit of the BMS, the respective battery cells having the measured OCVs which are lower than the balancing voltage to be balanced to have the balancing voltage by injecting currents of a current source into the respective battery cells having the measured OCVs which are lower than the balancing voltage by controlling the switch circuit which is included in the cell balancing unit and is electrically connected to the current source.
Abstract translation: 提供一种用于平衡电池模块的单元的方法，以通过电池管理系统（BMS）来平衡电池模块中包括的至少两个电池单元的电压。 用于平衡电池模块的电池的方法包括以下步骤：（a）通过包括在BMS中的测量单元测量作为每个电池单元的充电电压的开路电压（OCV）; （b）由所述BMS的控制单元将包含在所测量的OCV中的电压设置为平衡电压; （c）通过BMS的控制单元控制具有高于待平衡的平衡电压的测量OCV的相应电池单元，以通过基于设定的平衡电压将电流放电到电阻以具有平衡电压，通过控制开关 电路，其被包括在BMS的电池平衡单元中并电连接到电阻; 以及（d）通过BMS的控制单元控制具有低于要平衡的平衡电压的测量OCV的各个电池单元，以通过将电流源的电流注入到具有 通过控制包含在电池单元平衡单元中并与电流源电连接的开关电路，测量的OCV低于平衡电压。
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公开(公告)号：KR1020140056693A
公开(公告)日：2014-05-12
申请号：KR1020120121798
申请日：2012-10-31
Applicant: 한국전기연구원
IPC: G01R31/36 , G01R19/165
Abstract: A method of estimating a state of charge of a battery relates to a method of estimating the state of charge (SOC) of a battery module having at least one battery cell through a battery management system (BMS) which includes (a) a step where a measuring unit included in the battery management system measures the off potential, which is the open circuit voltage of the battery cell; and (b) a step where a control unit of the battery management system estimates the state of charge corresponding with the off potential measured in step (a) based on a lookup table. The lookup table includes battery cell temperature, charging and discharging numbers and state of charge (SOC) corresponding with the off potential according to the discharge current amount.
Abstract translation: 估计电池的充电状态的方法涉及通过电池管理系统（BMS）估计具有至少一个电池单元的电池模块的充电状态（SOC）的方法，该电池管理系统包括：（a） 包括在电池管理系统中的测量单元测量作为电池单元的开路电压的关闭电位; 以及（b）电池管理系统的控制单元基于查找表来估计与步骤（a）中测量的关闭电位对应的电荷状态的步骤。 查找表包括根据放电电流量对应于关闭电位的电池单元温度，充电和放电次数以及充电状态（SOC）。
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Patent Agency Ranking
公开(公告)号：KR1020120074458A
公开(公告)日：2012-07-06
申请号：KR1020100136295
申请日：2010-12-28
Applicant: 한국전기연구원
CPC classification number: Y04S10/60
Abstract: PURPOSE: An intelligence power charging system and a control method thereof are provided to establish stable power supply plan by constructing a charge infra for efficiently supplying electricity with a region as a unit. CONSTITUTION: A plurality of magnetic field meters receives user requirement information from a user and transfers electricity to the user. The plurality of magnetic field meters stores the user requirement information and state information. A maternal line transmits and receives data with the plurality of magnetic field meters. The maternal line commands in order to control supply power amount of the plurality of magnetic field meters. A management server(400) is connected with the maternal line through a network. The management server manages the plurality of magnetic field meters and the maternal line.
Abstract translation: 目的：提供一种智能电源充电系统及其控制方法，通过构建一个充电基地，以一个区域为单位有效地供电，建立稳定的供电方案。 构成：多个磁场计量器从用户接收用户需求信息并向用户传送电力。 多个磁场计存储用户需求信息和状态信息。 母线用多个磁场计发送和接收数据。 母线命令用于控制多个磁场计的供电量。 管理服务器（400）通过网络与母线连接。 管理服务器管理多个磁场计和母线。
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公开(公告)号：KR101030309B1
公开(公告)日：2011-04-19
申请号：KR1020080117713
申请日：2008-11-25
Applicant: 한국전기연구원
Abstract: 본 발명은 개인 PC와 연동하는 웹 PC 제공 시스템 및 그 웹 PC 제공 방법으로서, 사용자가 웹 서버로부터 개인 PC의 바탕 화면을 제공받아 웹 환경에서 데이터 작업을 수행하고, 변경된 데이터 내역은 PC의 데이터와 동기화되어 데이터의 동일성을 상호 유지한다.
본 발명에 따르는 개인 PC와 연동하는 웹 PC 제공 시스템은, 동기화가 설정된 데이터의 동일성을 유지하는 동기화 프로그램을 사용자 단말로 제공하는 수단; 사용자 단말로부터 동기화 대상이 되는 PC 바탕 화면에 대한 정보를 전송받고 웹 바탕 화면으로 저장하는 수단; 사용자 단말로부터 동기화 대상이 되는 PC 폴더를 지정받고 PC 폴더의 데이터를 전송받아 웹 폴더에 저장하는 수단; 웹 서버에서 상기 웹 바탕 화면을 이용하는 사용자의 웹 PC 작업에 의하여 변경된 데이터를 동기화 프로그램으로 전송하여 데이터의 동일성을 유지하는 수단; 사용자 단말에서 사용자의 로컬 PC 작업에 의하여 변경된 데이터를 동기화 프로그램으로부터 전송받아 데이터의 동일성을 유지하는 수단을 포함하는 웹 서버를 구비한다.
본 발명에 따르면, 사용자는 웹 PC 작업시 자신의 PC와 동일한 바탕 화면을 제공받아 웹 어플리케이션을 실행하고 PC 데이터와 서버 데이터는 상호 동기화되어 그 데이터의 동일성을 유지한다.-
公开(公告)号：KR1020100117364A
公开(公告)日：2010-11-03
申请号：KR1020090036066
申请日：2009-04-24
Applicant: 한국전기연구원
IPC: H05B37/02
CPC classification number: H05B37/034 , F21S13/10 , F21W2111/02 , H05B37/0254
Abstract: PURPOSE: A power controlling system for a street lamp is provided to reduce time for fixing a broken street lamp by applying power to normal street lamps excluding the broken street lamp. CONSTITUTION: A plurality of street lamps is divided into a plurality of groups. Each group is composed of a first sub-group and a second sub-group. Cabinet panels are installed between the divided groups. The cabinet panels include a plurality of power switching parts. One power switching part controls the power of one sub-group. The abnormality of a street lamp is detected by the cabinet panels. Power is supplied to street lamps excluding a broken street lamp.
Abstract translation: 目的：提供一种用于路灯的电力控制系统，用于通过向除了路灯破碎的普通路灯施加电力来减少固定损坏的路灯的时间。 构成：将多个路灯分为多组。 每个组由第一子组和第二子组组成。 机柜面板安装在分组之间。 柜面板包括多个电源开关部件。 一个电源开关部分控制一个子组的电源。 路灯的异常由橱柜检测。 电源被提供给路灯，不包括破碎的路灯。
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公开(公告)号：KR1020100059073A
公开(公告)日：2010-06-04
申请号：KR1020080117713
申请日：2008-11-25
Applicant: 한국전기연구원
CPC classification number: H04L67/1095 , H04L67/02
Abstract: PURPOSE: A web pc providing system for interworking with a personal pc and web pc providing method thereof are provided to perform generation, correction and deletion of all sort of files in a GUI(Graphical User Interface) environment as same as a user pc in pc of other person through internet connection. CONSTITUTION: A synchronization program provider(21) performs transmission, installation and version control of a synchronization program with a user terminal. A web wallpaper setter(22) receives set up of a synchronized wallpaper. A web folder setter(23) receives set up of a synchronized folder. A web folder management unit(24) transmits web folder data changed by a web PC(Personal Computer) task. A PC folder management unit(25) receives PC folder data changed by a local pc task.
Abstract translation: 目的：提供一种用于与个人PC和web pc提供方法相互配合的web pc提供系统，用于在GUI（图形用户界面）环境中执行与pc中的用户pc相同的所有类型的文件的生成，校正和删除 的其他人通过互联网连接。 构成：同步程序提供器（21）执行与用户终端的同步程序的传输，安装和版本控制。 网页壁纸设定器（22）接收同步壁纸的设置。 网页文件夹设定器（23）接收同步文件夹的设置。 Web文件夹管理单元（24）发送由web PC（Personal Computer，个人计算机）任务改变的web文件夹数据。 PC文件夹管理单元（25）接收由本地pc任务改变的PC文件夹数据。
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公开(公告)号：KR100398662B1
公开(公告)日：2003-09-19
申请号：KR1020010071441
申请日：2001-11-16
Applicant: 한국전기연구원
IPC: H04B1/40
Abstract: PURPOSE: A circuit of generating a local signal for a wireless communication device is provided to use a Gaussian monocycle oscillator during narrowband RF and microwave communication, and to use ultrawideband properties of a pulse, thereby solving multipath fading, multipath time delay, jamming, and signal interferences. CONSTITUTION: A square wave oscillator(10) generates a square wave. A non linear transmission line unit(20) generates pulses on a rising edge and a falling edge only of the generated square wave. A differential circuit(30) differentiates generated pulse signals. An amplifier(40) amplifies outputs of the differentiated signals. The non linear transmission line unit(20) comprises as follows. One end of the first inductor(L1) is connected to a collector of a transistor(Q1). One end of the second inductor(L2) is connected to the other end of the first inductor(L1). The first varactor diode(D1) is connected between common connection points of the first and the second inductors(L1,L2) and a ground. The second varactor diode(D2) is connected between the common connection points of the first and the second inductors(L1,L2) and the other end of the second inductor(L2). A resistance(R2) is connected between common connection points of the second inductor(L2) and the second varactor diode(D2) and the ground.
Abstract translation: 目的：提供一种为无线通信设备生成本地信号的电路，以在窄带RF和微波通信期间使用高斯单周期振荡器，并使用超宽带脉冲特性，从而解决多径衰落，多径时延，干扰和 信号干扰。 构成：方波振荡器（10）产生方波。 非线性传输线单元（20）仅在所产生的方波的上升沿和下降沿产生脉冲。 差分电路（30）区分生成的脉冲信号。 放大器（40）放大差分信号的输出。 非线性传输线路单元（20）包括如下。 第一电感器（L1）的一端连接到晶体管（Q1）的集电极。 第二电感器（L2）的一端连接到第一电感器（L1）的另一端。 第一变容二极管（D1）连接在第一和第二电感器（L1，L2）的公共连接点与地之间。 第二变容二极管（D2）连接在第一和第二电感器（L1，L2）的公共连接点与第二电感器（L2）的另一端之间。 电阻（R2）连接在第二电感器（L2）和第二变容二极管（D2）的公共连接点与地之间。
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