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公开(公告)号:KR101371099B1
公开(公告)日:2014-03-11
申请号:KR1020120146507
申请日:2012-12-14
Applicant: 한국전기연구원
Abstract: The present invention relates to a test system for testing the dynamic response features of a power system due to a change in wind power generation or a sudden change of an acceptable load in an independent power system including a wind generator and an energy saving device for an island area or an isolated area by simulating the real system and a method thereof. [Reference numerals] (100) Wind turbine simulation device; (200) Distribution system simulation device; (300) Load simulation device; (400) Energy saving device; (500) Independent power system testing device
Abstract translation: 本发明涉及一种用于测试由于风力发电的变化或包括风力发电机的独立电力系统中的可接受负载的突然变化而导致的电力系统的动态响应特征的测试系统和用于 岛屿区域或隔离区域,通过模拟真实系统及其方法。 (附图标记)(100)风力发电机模拟装置; (200)配电系统仿真装置; (300)负载模拟装置; (400)节能装置; (500)独立电力系统测试装置
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公开(公告)号:KR101297082B1
公开(公告)日:2013-08-19
申请号:KR1020110147753
申请日:2011-12-30
Applicant: 한국전기연구원
IPC: H02P9/04 , G05B23/02 , G05B19/418 , F03D11/00
CPC classification number: Y02P90/18
Abstract: 풍력발전 단지의 출력제어 시스템을 위한 풍력발전 단지의 통합 출력제어 방법은, (a) 상기 풍력발전 단지의 출력제어 시스템에 포함된 단지 통합 출력제어 장치가 상기 풍력발전 단지에 포함되고 전력 계통에 연결되는 풍력 발전기들의 출력변동을 감지하는 단계와, (b) 상기 단지 통합 출력제어 장치가 상기 출력제어 시스템에 포함된 에너지 저장 장치의 충전 또는 방전을 제어하여 감지된 풍력 발전기들의 출력 변동에 대응하는 전력을 1차적으로 보상하도록 제어하는 단계를 포함한다.
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73.
公开(公告)号:KR1020130078680A
公开(公告)日:2013-07-10
申请号:KR1020110147753
申请日:2011-12-30
Applicant: 한국전기연구원
IPC: H02P9/04 , G05B23/02 , G05B19/418 , F03D11/00
CPC classification number: Y02P90/18 , H02P9/04 , F03D7/048 , G05B19/418 , G05B23/02 , Y02E10/763
Abstract: PURPOSE: An integrated output control device for an output control system of a wind power generation plant and a control method thereof are provided to detect a sudden output variation, to independently control a long-term or short-term energy storage device from an individual aerogenerator, and to control a diesel generator and a dump load, thereby stably controlling the output of a wind power generation plant overall. CONSTITUTION: An output control system (110) of a wind power generation plant includes energy storage devices (115,116) which store or discharge the energy generated by aerogenerators included in the wind power generation plant; a diesel generator (118) which operates if the amount of energy in the energy storage devices is not sufficient; a dump load (117) which discharges the excessively generated energy exceeding the capacity of the energy storage devices; a supervisory computing and data acquisition (SCADA) system (111) which individually controls each aerogenerator; and an integrated output control device (200) which senses the output variation of the aerogenerators connected to an electric power system and controls the operation of the energy storage devices, the diesel generator, and the dump load. The integrated output control device controls the absorption or discharge of energy to or from the energy storage devices to primarily compensate the output variation of the aerogenerators. The SCADA system controls the aerogenerators to increase or decrease the output to secondarily compensate the output variation of the aerogenerators. The operation of the diesel generator and the dump load is controlled for the tertiary compensation of the output variation of the aerogenerators. [Reference numerals] (110) Wind power generation plant output control system; (114) Weather information; (115) Short term energy storage devices; (116) Long term energy storage devices; (117) Dump load; (118) Diesel generator; (120) Wind power generator; (200) Integrated output control device; (AA) Electric power system side; (BB) Wind power plant side
Abstract translation: 目的:提供一种用于风力发电厂输出控制系统的集成输出控制装置及其控制方法,以检测突然的输出变化,以独立控制来自各个风力发电机的长期或短期能量存储装置 并且控制柴油发电机和倾卸负载,从而稳定地控制风力发电厂的输出。 构成:风力发电设备的输出控制系统(110)包括存储或排放包括在风力发电设备中的风力发电机产生的能量的能量存储装置(115,116) 柴油发电机(118),如果能量存储装置中的能量的量不足则运行; 排出超过能量存储装置的能力的过度产生的能量的倾卸负载(117); 监控计算和数据采集(SCADA)系统(111),其分别控制每个风力发电机; 以及集成输出控制装置(200),其感测连接到电力系统的风力发电机的输出变化并且控制能量存储装置,柴油发电机和倾倒负载的操作。 集成输出控制装置控制对能量存储装置的能量的吸收或释放,以主要补偿风力发电机的输出变化。 SCADA系统控制风力发电机增加或减少输出,以二次补偿风力发电机的输出变化。 控制柴油发电机和倾卸负载的运行,以便对发电机输出变化进行三次补偿。 (附图标记)(110)风力发电厂输出控制系统; (114)天气信息; (115)短期储能装置; (116)长期储能装置; (117)转储负荷; (118)柴油发电机; (120)风力发电机; (200)集成输出控制装置; (AA)电力系统侧; (BB)风力发电厂侧
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公开(公告)号:KR1020120059868A
公开(公告)日:2012-06-11
申请号:KR1020100121354
申请日:2010-12-01
Applicant: 한국전기연구원
CPC classification number: Y02E40/72 , Y04S10/12 , H02J3/40 , H02J3/02 , H02J13/0013
Abstract: PURPOSE: A device and a method for actively controlling the synchronization of a microgrid are provided to control the voltage and frequency of a microgrid by providing control signals to dispersed power supplies that are controllable based on information necessary for the synchronization of a power system and the microgrid. CONSTITUTION: An intelligent distribution device(200) comprises first and second signal detection modules, a comparison module(203), a control command input module(205), and a control command output module(206). The intelligent distribution device cooperates with a stationary switch(110) for measuring and generating synchronization signals and implementing synchronization. In the intelligent distribution device, voltage sensors(201a,201b) are installed close to a microgrid and a power system, respectively, to measure the voltage of both sides. The first and second signal detection modules calculate the amplitude, frequency, and phase angle of the voltage based on a three-phase voltage signal measured by the voltage sensors.
Abstract translation: 目的:提供一种用于主动控制微电网同步的装置和方法,通过向基于电力系统同步所需的信息可控的分散电源提供控制信号来控制微电网的电压和频率, 微电网。 构成:智能分配装置(200)包括第一和第二信号检测模块,比较模块(203),控制命令输入模块(205)和控制命令输出模块(206)。 智能分配装置与固定开关(110)配合,用于测量和产生同步信号并实现同步。 在智能配电装置中,电压传感器(201a,201b)分别安装在微电网和电力系统附近,以测量两侧的电压。 第一和第二信号检测模块基于由电压传感器测量的三相电压信号来计算电压的幅度,频率和相位角。
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公开(公告)号:KR1020110071157A
公开(公告)日:2011-06-29
申请号:KR1020090127632
申请日:2009-12-21
Applicant: 한국전기연구원
CPC classification number: Y02E10/723 , F03D7/0284 , F03D7/042 , F03D9/11 , F05B2260/42
Abstract: PURPOSE: An integrated control device and an integrated control method for a hybrid type wind turbine system are provided to improve cost-efficiency and to reduce waste factors by using a serial energy storage device. CONSTITUTION: A hybrid type wind turbine system uses a wind power generator(200) as a main generation unit and a diesel generator(300) as an auxiliary generation unit. The hybrid type wind turbine system comprises a super capacitor, a battery, and an integrated control device(100). The super capacitor and the battery store electricity generated from the wind power generator or the diesel generator. The integrated control device controls the super capacitor and the battery to use all electricity of the super capacitor.
Abstract translation: 目的:提供一种用于混合型风力发电机组的集成控制装置和集成控制方法,以通过使用串联储能装置来提高成本效率并减少浪费因素。 构成:混合式风力涡轮机系统以风力发电机(200)为主要发电机组,柴油发电机组作为辅助发电机组。 混合型风力涡轮机系统包括超级电容器,电池和集成控制装置(100)。 超级电容器和电池存储来自风力发电机或柴油发电机的电力。 集成控制装置控制超级电容器和电池使用超级电容器的全部电力。
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公开(公告)号:KR1020110070023A
公开(公告)日:2011-06-24
申请号:KR1020090126660
申请日:2009-12-18
Applicant: 한국전기연구원
CPC classification number: H02J3/381 , H02J2003/388
Abstract: PURPOSE: A method and device for detecting the active single driving of distributed power by voltage forward feedback control are provided to guarantee the safety of a human life and increase the driving reliability of distributed power. CONSTITUTION: A first current command value is generated using effective power. A voltage variation acceleration component is generated using a load and a connection point voltage. The voltage variation acceleration component is added to the first current command value to generated a second current command value. An inverter is controlled according to the second current command value by a voltage forward feedback method. Single driving is detected by inducing the variation of the effective power or the connection point voltage.
Abstract translation: 目的:提供一种用于通过电压正向反馈控制来检测分布式电力的主动单次驱动的方法和装置,以保证人身安全,提高分布式电力的驱动可靠性。 构成:使用有效电源产生第一个电流指令值。 使用负载和连接点电压产生电压变化加速度分量。 电压变化加速度分量被添加到第一电流指令值以产生第二电流指令值。 通过电压正向反馈方法根据第二电流指令值控制逆变器。 通过诱导有效功率或连接点电压的变化来检测单次驱动。
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77.
公开(公告)号:KR101023703B1
公开(公告)日:2011-03-25
申请号:KR1020080122976
申请日:2008-12-05
Applicant: 한국전기연구원
Abstract: 본 발명은, 실 기상조건을 이용한 MMS 성능평가용 HILS 시스템으로서, 마이크로그리드를 제어하는 MMS(Microgrid Management System)의 개발 및 테스트를 위한 HILS(Hardware In-Loop Simulation)에 있어서, 피시험대상체인 MMS와 상기 MMS가 제어할 가상의 마이크로그리드 시스템을 구현하는 RTDS(Real Time Digital Simulator) 및 상기 MMS와 RTDS 간에 데이터를 전송하는 중재장치인 에뮬레이터(Emulator)를 포함하는 것을 특징으로 한다. 또한, RTDS를 이용한 가상의 마이크로그리드 시스템 구현에 있어서, 구성기기인 신재생전원의 동작특성 모의의 정확성을 높이기 위해 외부의 온도, 풍속, 일사량과 같은 실제 기상관측 데이터를 이용하여 신재생 발전원의 출력특성을 모의하는 방법을 특징으로 한다. 이와 같은 본 발명에 의하면, 외부기상 데이터를 이용하여 실제조건과 유사하게 모의할 수 있는 가상의 마이크로그그리드 시스템을 RTDS로 구현하며, 통신 중재장치인 이뮬레이터(Emulator)를 설치하여 MMS와 RTDS간의 데이터 통신이 가능하도록 하여, 이를 통해 MMS를 설계, 개발 및 테스트 할 수 있는 HILS 시스템을 제공한다.
MMS, RTDS, HILS, 마이크로그리드 시스템.-
公开(公告)号:KR1020100085563A
公开(公告)日:2010-07-29
申请号:KR1020090004932
申请日:2009-01-21
Applicant: 한국전기연구원
CPC classification number: H02J13/001 , H01M2250/405
Abstract: PURPOSE: A method and a device for controlling a micro grid operation in consideration of a cogeneration system are provided to optimally calculate the output command of the distributed power like the cogeneration on-line. CONSTITUTION: A monitoring control module(130) collects the operation state of loads and distributed power. An optimal operation module(140) determines the output command value of the cogeneration system based on power buying price or power selling price and the generation cost of the cogeneration system.
Abstract translation: 目的:提供一种考虑到热电联产系统来控制微电网运行的方法和装置,以最佳地计算分布式电力的输出命令,如热电联机在线。 构成:监控控制模块(130)收集负载和分布式电力的运行状态。 最优运行模块(140)根据电力购买价格或电力销售价格以及热电联产系统的发电成本确定热电联产系统的输出指令值。
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公开(公告)号:KR1020100078938A
公开(公告)日:2010-07-08
申请号:KR1020080137329
申请日:2008-12-30
Applicant: 한국전기연구원
Abstract: PURPOSE: A correction device for a cogeneration system and a correction method thereof are provided to continuously operate a cogeneration system even while performing the correction on one or more channels. CONSTITUTION: A correction device for a cogeneration system(10) comprises a measuring unit(20), an integrated controller(30), and a terminal(40). The measuring unit measures an analog signal for at least one of voltages, currents, temperatures, pressures, and fluid flow of the cogeneration system. The integrated controller converts the analog signal measured from the measuring unit into a digital signal and controls the cogeneration system based on the converted digital signal. The terminal is connected to the integrated controller to transmit/receive data and transfers the correction command on the digital signal converted by the integrated controller. The integrated controller corrects the signal of a corresponding channel according to the correction command received from the terminal.
Abstract translation: 目的:提供一种用于热电联产系统的校正装置及其校正方法,以便即使在一个或多个通道上执行校正也可连续操作热电联产系统。 构成:用于热电联产系统(10)的校正装置包括测量单元(20),集成控制器(30)和端子(40)。 测量单元测量热电联产系统的电压,电流,温度,压力和流体流中的至少一个的模拟信号。 集成控制器将从测量单元测量的模拟信号转换为数字信号,并根据转换的数字信号控制热电联产系统。 该终端连接到集成控制器以发送/接收数据,并对由集成控制器转换的数字信号传送校正命令。 集成控制器根据从终端接收到的校正命令来校正相应信道的信号。
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公开(公告)号:KR100934607B1
公开(公告)日:2009-12-31
申请号:KR1020070121774
申请日:2007-11-28
Applicant: 한국전기연구원
Abstract: An apparatus for testing a micro-grid management system is provided to obtain the same effect as a real micro-grid pilot plant by using a real-time simulator and interface device. A computer-based real-time simulation unit(310) simulates a micro-grid management system(210) in real time in order to evaluate static/dynamic characteristics of the system. A data mediation unit(320) provides an interface between the micro-grid management system and the real-time simulation unit. The real-time simulation unit changes a parameter or setup value during the real-time simulation by using a hardware interface.
Abstract translation: 通过使用实时模拟器和接口装置,提供了用于测试微电网管理系统的设备以获得与真实微电网中试设备相同的效果。 基于计算机的实时模拟单元(310)实时模拟微电网管理系统(210)以评估系统的静态/动态特性。 数据调解单元(320)提供微电网管理系统和实时模拟单元之间的接口。 实时仿真单元通过使用硬件接口在实时仿真期间更改参数或设置值。
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