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公开(公告)号：KR1020140037679A
公开(公告)日：2014-03-27
申请号：KR1020120104136
申请日：2012-09-19
Applicant: 한국전력공사
IPC: H02J3/24
CPC classification number: H02J3/24 , H02J3/1878
Abstract: Disclosed are a device and a method for stabilizing an intelligence power system using synchronized-phasor information to set an optimum parameter of an intelligent power system stabilizing device by reflecting low-frequency vibration frequency which is calculated using visual synchronization data. The intelligent power system stabilizing device comprises an input unit which receives a generator parameter, a control system parameter, and visual synchronization data; a processing unit which stores a characteristic value distribution chart which is produced by calculating a characteristic value according to change in a PSS parameter base on the generator parameter and the control system parameter; a detection unit which detects low-frequency vibration frequency based on the visual synchronization data; and a deduction unit which deducts the PSS parameter based on the characteristic value distribution chart and the low-frequency vibration frequency. [Reference numerals] (110) Input unit; (120) Processing unit; (130) Detection unit; (140) Deduction unit; (150) Application unit; (160) Control unit; (200) Visual synchronization data collection device
Abstract translation: 公开了一种使用同步相量信息来稳定智能电力系统的装置和方法，用于通过反映使用视觉同步数据计算的低频振动频率来设置智能电力系统稳定装置的最佳参数。 智能电力系统稳定装置包括接收发电机参数的输入单元，控制系统参数和可视同步数据; 存储通过基于发电机参数和控制系统参数根据PSS参数的变化计算特性值而生成的特征值分布图的处理单元; 检测单元，其基于视觉同步数据检测低频振动频率; 以及基于特征值分布图和低频振动频率来扣除PSS参数的扣除单元。 （附图标记）（110）输入单元; （120）处理单元; （130）检测单元; （140）扣除单位; （150）申请单位; （160）控制单元; （200）可视同步数据采集装置
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公开(公告)号：KR101039431B1
公开(公告)日：2011-06-08
申请号：KR1020100094207
申请日：2010-09-29
Applicant: 한국전력공사
Abstract: PURPOSE: A system and a method for managing voltages are provided to supply controlling signals to a user in order to control a power system when the user manually drives the system. CONSTITUTION: A voltage managing system is composed of a fast adaptive voltage controller(100), a reactive power distributor(200), an output device(330), a voltage input(360), and an automatic voltage controller(390). The fast adaptive voltage controller generates information related to the output ratio of reactive power based on information related to the output of system reactive power and information related to maximum and minimum output ratio when a user manually drives the automatic voltage controller. The reactive power distributor receives the information related to the output ratio of the reactive power or information related to the difference of output ratio from the fast adaptive voltage controller. The voltage input receives the voltage control information of the reactive power distributor when the user automatically drives the automatic voltage controller.
Abstract translation: 目的：提供一种用于管理电压的系统和方法，以向用户提供控制信号，以便在用户手动驱动系统时控制电力系统。 构成：电压管理系统由快速自适应电压控制器（100），无功功率分配器（200），输出装置（330），电压输入（360）和自动电压控制器（390）组成。 当用户手动驱动自动电压控制器时，快速自适应电压控制器基于与系统无功功率的输出相关的信息和与最大和最小输出比相关的信息，产生与无功功率的输出比相关的信息。 无功功率分配器接收与无功功率的输出比相关的信息或与快速自适应电压控制器的输出比差异有关的信息。 当用户自动驱动自动电压控制器时，电压输入接收无功功率分配器的电压控制信息。
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公开(公告)号：KR101033033B1
公开(公告)日：2011-05-11
申请号：KR1020100095307
申请日：2010-09-30
Applicant: 한국전력공사
Abstract: PURPOSE: An apparatus and a method for controlling a bus are provided to increase the reliability of increasing power supply by rapidly separating a bus through a thyristor. CONSTITUTION: In an apparatus and a method for controlling a bus, a bus coupling device(30) connects and disconnects a first bus lines(10) and a second bus lines(20). A gate driver controls a circuit breaker according to the control of a controller. The controller determines the separation of a bus and transmits a control signal for opening and closing the circuit breaker or a thyristor.
Abstract translation: 目的：提供一种用于控制总线的装置和方法，以通过将总线通过晶闸管快速分离来增加增加电源的可靠性。 构成：在用于控制总线的装置和方法中，总线耦合装置（30）连接和断开第一总线（10）和第二总线（20）。 门驱动器根据控制器的控制来控制断路器。 控制器确定总线的分离，并发送用于打开和关闭断路器或晶闸管的控制信号。
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公开(公告)号：KR1020110035659A
公开(公告)日：2011-04-06
申请号：KR1020090093470
申请日：2009-09-30
Applicant: 한국전력공사
IPC: H02H3/24
Abstract: PURPOSE: A load shedding method and an apparatus for the same are provided to prevent a broad area power blackout by minimizing a counter effect of an accident. CONSTITUTION: A bus lines selection part(110) selects a first object bus lines through the voltage sensitivity analysis using the correlation between a reactive power and a voltage. A monitoring part(120) generates a block activation signal and outputs the signal to a load shedding part(130). The load shedding part computes shedding amount by the step. The load shedding part comprises a first shedding amount calculation unit, a second shedding amount calculation unit, and a shedding unit.
Abstract translation: 目的：提供一种卸载方法及其装置，以通过最小化事故的反作用来防止广域功率中断。 构成：总线选择部分（110）使用无功功率和电压之间的相关性，通过电压灵敏度分析来选择第一对象总线。 监视部分（120）产生块激活信号并将该信号输出到负载切除部分（130）。 卸载部分通过步骤计算脱落量。 负荷切除部包括第一开口量计算单元，第二开口量计算单元和脱落单元。
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公开(公告)号：KR1020090032570A
公开(公告)日：2009-04-01
申请号：KR1020070097927
申请日：2007-09-28
Applicant: 한국전력공사
CPC classification number: G06Q50/10 , G05B2219/23067 , G05B2219/23445 , G06Q50/06
Abstract: A monitoring system using a real-time simulator is provided to enable a user to verify the operation of a new power system control device and evaluate the effect of the device in a real power system state by simulative-testing the power system control device with a real-time simulator. A test target material(100) is installed at a power system, and a simulator(200) which is connected to a test target material detects simulated power system data for the test target material by simulating the power system. An MMI platform(300) interworks with the simulator, to simulates the power system by providing power system state information to the simulator in order for the simulator to simulate the test target material, and receives the simulated power system data for the test target material. An MMI client(400) interworks with the MMI platform to display the received power system data from the MMI platform.
Abstract translation: 提供了使用实时模拟器的监视系统，以使用户能够验证新的电力系统控制装置的操作，并通过对电力系统控制装置进行模拟测试来评估设备在实际电力系统状态下的影响 实时模拟器。 测试目标材料（100）安装在电力系统上，连接到测试目标材料的模拟器（200）通过模拟电力系统来检测测试目标材料的模拟电力系统数据。 MMI平台（300）与模拟器进行交互，通过向模拟器提供电力系统状态信息来模拟电力系统，以便模拟器模拟测试目标材料，并接收测试目标材料的模拟电力系统数据。 MMI客户端（400）与MMI平台进行交互，以显示来自MMI平台的接收到的电力系统数据。
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Patent Agency Ranking
公开(公告)号：KR100681538B1
公开(公告)日：2007-02-09
申请号：KR1020050101951
申请日：2005-10-27
Applicant: 한국전력공사
IPC: G01R11/32
Abstract: A real-time power consumption monitoring system is provided to exactly analyze and estimate data, to save electricity prices, and to prevent electric accidents by monitoring and controlling power in real time. A real-time power consumption monitoring system is composed of a power record unit(30) for measuring and recording measurement items, such as active power, reactive power, maximum load, power factor, wattage, current, voltage, peak power, and unbalance rate of feeders(20) connected to various facilities(10) of the power use place and a synthetic management unit(50) connected to the power record unit through a network(40) to receive, store, analyze, and monitor the measurement items in real time and composed of a database storing the measurement items measured in the power record unit in real time, an alarm informing an abnormal situation if the values of the measurement items are over a pre-set reference value, and a three-dimensional visualization module making the measurement items into graphics and displaying the graphic.
Abstract translation: 提供实时功耗监控系统，实时精确分析和估算数据，节约电价，实时监控电源，防止电力事故发生。 实时功耗监测系统由功率记录单元（30）组成，用于测量和记录有功功率，无功功率，最大负载，功率因数，功率，电流，电压，峰值功率和不平衡等测量项目 连接到电力使用地点的各种设施（10）的供电器（20）的速率以及通过网络（40）连接到电力记录单元以接收，存储，分析和监视测量项目的综合管理单元（50） 并且由实时存储在功率记录单元中测量的测量项目的数据库组成，如果测量项目的值超过预设参考值，则通知异常情况的警报，以及三维可视化 模块将测量项目制作成图形并显示图形。
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公开(公告)号：KR1020030035273A
公开(公告)日：2003-05-09
申请号：KR1020010067257
申请日：2001-10-30
Applicant: 한국전력공사
IPC: H02P9/08
Abstract: PURPOSE: A time constant compensator of an AC exciter is provided to reduce the time constant of the exciter by using a proportional integrator controller. CONSTITUTION: An automatic voltage regulator(10) is used for receiving a predetermined voltage from a generator(13) and regulating the received voltage, automatically. A control rectification device(12) is connected to the automatic voltage regulator(10) in order to output the power of the automatic voltage regulator(10) to a coil. A detector is used for detecting electromagnetic waves from the power and outputting the electromagnetic waves to the coil. The detector is connected to a rotating body(20). A time constant compensator(TCC) is connected between the automatic voltage regulator(10) and the control rectification device(12) in order to compensate a time constant by controlling a gain integer.
Abstract translation: 目的：提供交流励磁器的时间常数补偿器，通过使用比例积分器控制器来减小励磁机的时间常数。 构成：自动电压调节器（10）用于从发电机（13）接收预定的电压并自动调节接收的电压。 控制整流装置（12）连接到自动电压调节器（10），以将自动电压调节器（10）的功率输出到线圈。 检测器用于检测来自电力的电磁波，并将电磁波输出到线圈。 检测器连接到旋转体（20）。 时间常数补偿器（TCC）连接在自动电压调节器（10）和控制整流装置（12）之间，以通过控制增益整数来补偿时间常数。
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公开(公告)号：KR1019990085800A
公开(公告)日：1999-12-15
申请号：KR1019980018422
申请日：1998-05-21
Applicant: 한국전력공사
IPC: H01B17/00
Abstract: 본 발명은 이벤트-데이트(Event-date) 분석기법을 이용한 애자의 고장예측 방법에 관한 것으로, 특히 특정 변전소에서 인출되는 특고압(22.9KV) 배전선로에서의 전류 데이터에 일단의 주파수신호 분석기법을 거친후 생성되는 비정규 고조파성분(Non-harmonic Component)의 이벤트율(Event-date Percontage)을 계산하는 이벤트-데이트 분석기법(Event-date Analysis)을 이용하여 애자의 고장을 예측함으로써 전력설비의 효율적인 유지보수와 적정투자비 산출에 이용하도록 하는 것에 관한 것이다.
이와 같은 본 발명은, 고주파와 원시신호에 대하여 실효치 계산을 수행하는 단계와; 상기단계에서 필터를 거치지 않은 원시신호에 대해서 퓨리에 변환을 수행하는 단계와; 상기단계에 의해 비정규 고조파 성분을 추출하는 단계와; 상기단계에서 추출된 비정규 고조파 성분중 고주파 성분에 대하여 지-스코어 계산을 수행하는 단계와; 상기단계에서 계산된 이벤트를 계산하는 단계와; 상기단계에서 계산된 이벤트 횟수가 15회 이상이면 이벤트로 설정하는 단계와; 상기단계에서의 이벤트를 퍼센테지로 계산하는 단계와; 상기단계에서 계산된 이벤트률 30∼40% 이상이면 알람 또는 고장표시를 수행하도록 하는 단계와; 로 이루어진다.
이와 같은 본 발명은 전력설비의 재해가능성을 사전에 예측가능하게 하는 것으로 특히 애자에 대한 고장징후 검출 및 분석기법을 이용하며 한 선로(D/L)에 대해 거시적으로 애자고장을 예측케 함으로써, 전력설비의 유지보수비를 절감하고 양질의 전력공급을 통한 공급신뢰도를 향상시킬수 있게 된다.-
公开(公告)号：KR102089181B1
公开(公告)日：2020-04-20
申请号：KR1020180145419
申请日：2018-11-22
Applicant: 한국전력공사
IPC: G01R31/08 , G01R33/028 , G01R19/165
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公开(公告)号：KR101686296B1
公开(公告)日：2016-12-28
申请号：KR1020140117674
申请日：2014-09-04
Applicant: 한국전력공사
Abstract: 본발명은전력계통의전압안정도관리장치및 그방법에관한것으로, 다수개의대상모선으로부터수신한전압정보를이용하여무효전력출력비율정보를생성하는속응형전압제어부; 생성된무효전력출력비율정보를토대로무효전력기준정보를생성하고, 생성된무효전력기준정보를이용하여단자전압조정정보를생성하는무효전력분배부; 생성된단자전압조정정보를이용하여단자전압을조정하는단자전압조정부; 주파수변동시 보조신호를발생시켜상기무효전력분배부에제공하는과도저감제어부; 및대상모선의전압을측정하여보조신호를발생시켜상기단자전압조정부에제공하는전압조정제어부;를포함한다.
Abstract translation: 本发明涉及一种用于管理电力电网的电压稳定性的装置及其方法。 该装置包括：快速响应型电压控制单元，用于使用从多个目标总线接收的电压信息产生无功功率输出比信息; 无功配置单元，其基于所生成的无功功率输出比信息生成无功功率参考信息，并使用所生成的无功功率参考信息生成终端电压调整信息; 端子电压调整单元，用于使用所生成的端子电压调整信息来调节端子电压; 瞬变减少控制单元，用于产生辅助信号，并且当频率改变时向辅助信号分配单元提供辅助信号; 以及电压调节控制单元，用于测量目标总线的电压，产生辅助信号，并将辅助信号提供给端子电压调节单元。
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