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公开(公告)号：KR101699135B1
公开(公告)日：2017-01-24
申请号：KR1020140194693
申请日：2014-12-31
Applicant: 한국전력공사
IPC: H02J3/46
CPC classification number: Y02P80/14
Abstract: 본발명의일 실시예는독립형마이크로그리드시스템에관한것으로, 해결하고자하는기술적과제는기존의 EMS 독립형마이크로그리드시스템의단점을극복하기위해보다저렴하고효율적인운영이가능한 EMS가없는도서용독립형마이크로그리드시스템을제공하는데있다. 이를위해본 발명은부하에전원을공급하여방전하거나, 또는충전이가능한배터리에너지저장장치; 부하에전원을공급하거나, 또는배터리에너지저장장치를충전하는신재생에너지원; 및, 부하에전원을공급하거나, 또는배터리에너지저장장치를충전하는디젤엔진발전장치를포함하고, 배터리에너지저장장치가신재생에너지원및 디젤엔진발전장치를직접제어하는독립형마이크로그리드시스템을개시한다.
Abstract translation: 本发明的一个实施例涉及一种独立的微电网系统。 要实施的一项技术任务是为岛屿提供一个独立的微网系统，该系统更便宜，可以高效运行，以克服传统的与EMS无关的微电网系统的缺点。 为此，本发明提供了一种独立的微电网系统，包括：能够通过向负载提供电力或被充电而放电的电池能量存储装置; 用于为负载供电或对电池蓄能装置充电的新的和可再生的能源; 以及用于向负载供电或对电池能量存储装置充电的柴油发动机发电装置，其中，电池能量存储装置直接控制新的和可再生的能源以及柴油发动机的发电装置。
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公开(公告)号：KR101375812B1
公开(公告)日：2014-03-20
申请号：KR1020120105749
申请日：2012-09-24
Applicant: 한국전력공사
IPC: H02J3/46
Abstract: Disclosed are an apparatus and a method of controlling the distributed power of a micro-grid. The apparatus of controlling the distributed power of the micro-grid according to the present invention comprises: a measuring unit obtaining measurement voltage and measurement frequency by measuring voltage and frequency of the point that is connected to the distributed power and the micro-grid; a determination unit for an operating point control value, determining the operating point control value of the distributed power by using the measurement frequency, the measurement voltage, the predetermined frequency droop, and the predetermined power droop; and a control unit changing the operating point of the distributed power corresponding to the operating point control value. [Reference numerals] (110) Measuring unit; (120) Determination unit for an operating point control value; (130) Control unit; (140) Determination unit for a recovery control value; (150) Deadband control unit; (160) Reset control unit
Abstract translation: 公开了一种控制微电网分布式电力的装置和方法。 根据本发明的控制微电网分布式电力的装置包括：测量单元，通过测量连接到分布式电力点和微电网的点的电压和频率来获得测量电压和测量频率; 用于操作点控制值的确定单元，通过使用测量频率，测量电压，预定频率下降和预定功率下降来确定分布式功率的工作点控制值; 以及控制单元，其改变与所述工作点控制值相对应的所述分布式电力的工作点。 （附图标记）（110）测量单元; （120）工作点控制值的确定单位; （130）控制单元; （140）恢复控制值的确定单元; （150）死区控制单元; （160）复位控制单元
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公开(公告)号：KR1020140014763A
公开(公告)日：2014-02-06
申请号：KR1020120081635
申请日：2012-07-26
Applicant: 한국전력공사
IPC: G06Q50/06
CPC classification number: H02J3/386 , H02J3/383 , Y02E10/563 , Y02E10/763 , Y02P80/15
Abstract: The present invention relates to an energy and fresh-integrated supply device using a micro-grid. The device can stably manage the independent driving of the micro-grid and the output intermittence of energy outputted from a new regeneration energy source and integrally manage fresh water facilities producing fresh water through heat energy supplied from the micro-grid so that efficient and stable supply balance can be done. The device also performs the optimal driving of the device by monitoring management and control states of the whole system through integration management. [Reference numerals] (10) Micro-grid system; (20) Fresh water system; (30) Communication network; (40) Obtaining server; (50) Integrated management server; (60) Database; (70) Weather observation; (80) Web server
Abstract translation: 本发明涉及一种使用微电网的能量和新鲜集成供电装置。 该设备可以稳定地管理微电网的独立驱动和从新再生能源输出的能量的输出间歇，并通过从微电网提供的热能整体管理生产淡水的淡水设施，从而高效稳定的供应 平衡可以做到。 该设备还通过集成管理监控整个系统的管理和控制状态，实现设备的最佳驾驶。 （附图标记）（10）微电网系统; （20）淡水系统; （30）通讯网络; （40）获取服务器; （50）综合管理服务器; （60）数据库; （70）天气观测; （80）Web服务器
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公开(公告)号：KR101039430B1
公开(公告)日：2011-06-08
申请号：KR1020090092052
申请日：2009-09-28
Applicant: 한국전력공사
Abstract: PURPOSE: A system and method for estimating the capacity of a microgrid energy storage device are provided to stably and economically operate a system. CONSTITUTION: A micro grid system unit(100) includes one or more distribution power sources and supplies power to a micro grid load. An operation plan system unit(200) calculates the optimum output condition of the distribution power source and calculates the capacity of an energy storage device. An energy managing system unit(400) controls the distribution power source and the energy storage device according to the capacity of the energy storage device and the optimum output condition of the distribution power source.
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公开(公告)号：KR1020110034510A
公开(公告)日：2011-04-05
申请号：KR1020090092052
申请日：2009-09-28
Applicant: 한국전력공사
Abstract: PURPOSE: A system and method for estimating the capacity of a microgrid energy storage device are provided to stably and economically operate a system. CONSTITUTION: A micro grid system unit(100) includes one or more distribution power sources and supplies power to a micro grid load. An operation plan system unit(200) calculates the optimum output condition of the distribution power source and calculates the capacity of an energy storage device. An energy managing system unit(400) controls the distribution power source and the energy storage device according to the capacity of the energy storage device and the optimum output condition of the distribution power source.
Abstract translation: 目的：提供一种用于估计微电网储能装置容量的系统和方法，以稳定和经济地操作系统。 构成：微电网系统单元（100）包括一个或多个配电电源并向微电网负载供电。 操作计划系统单元（200）计算分配电源的最佳输出条件并计算能量存储装置的容量。 能量管理系统单元（400）根据能量存储装置的容量和分配电源的最佳输出状况来控制分配电源和能量存储装置。
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Patent Agency Ranking
公开(公告)号：KR1020110013903A
公开(公告)日：2011-02-10
申请号：KR1020090071602
申请日：2009-08-04
Applicant: 한국전력공사
Abstract: 전력회사에서 설비에 대한 투자계획 수립 시 배전계통 구성, 설비 및 부하정보를 이용하여 경제적 가치평가를 기반으로 하는 투자의 우선순위를 결정하는데 있어서 배전계통을 모델링 하고, 현 계통의 신뢰도를 개선하기 위한 방향으로 설비투자 대안들을 설계한 다음, 이 대안들을 대상으로 경제적 가치평가를 통한 설비투자 우선순위를 결정하는 배전계통 설비투자 우선순위 결정 시스템 및 저장매체가 개시된다. 상기 시스템은 전기판매이익 증가에 따른 이익을 연산하는 제 1 연산모듈; 공급지장비용 감소에 따른 이익을 연산하는 제 2 연산모듈; 고장시 복구비용 감소에 따른 이익을 연산하는 제 3 연산모듈; 융통전력량 증대에 따른 이익을 연산하는 제 4 연산모듈; 신규수요 공급에 따른 이익을 연산하는 제 5 연산모듈; 전력손실의 감소에 따른 이익을 연산하는 제 6 연산모듈; 및 상기 제 1 내지 제 6 연산모듈로부터 연산되어 데이터베이스에 저장된 이익값을 판독하여 상기 데이터베이스에 저장된 연산식에 기초한 각각의 공사별 총이익액에 따라 복수의 공사의 설비투자에 대한 우선순위를 결정우선순위 결정모듈를 포함한다.
Abstract translation: 目的：提供分销系统及其记录介质的设施投资优先确定系统，通过经济效益模型对经济投资成本进行估值。 构成：第一计算模块（10）根据电力边际的增加来计算增益。 第二和第三操作模块根据故障成本的降低计算增益。 优先级确定模块（90）基于计算模块的计算结果，根据总增益确定关于设施投资的优先级。
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公开(公告)号：KR101883558B1
公开(公告)日：2018-07-30
申请号：KR1020160120113
申请日：2016-09-20
Applicant: 한국전력공사
Abstract: 본발명은독립형마이크로그리드내 선로상에복수로마련되어선로의개방또는투입을제어하는지능화개폐기, 전류리미터를내장하여출력전류의제한이가능한배터리인버터및 상기복수의지능화개폐기로부터상기선로의단락고장정보를수신하여고장구간을판단하고, 상기배터리인버터가출력전류를제한하도록제어하는운영시스템을포함하는인버터기반독립형마이크로그리드내 선로단락고장구간절체시스템및 절체방법으로서, 리클로저(Recloser)와같은별도의차단설비가구비되지못하는독립형마이크로그리드내에서발생하는선로단락고장구간을신속하고정확하게절체하는것이가능하다.
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公开(公告)号：KR1020140039511A
公开(公告)日：2014-04-02
申请号：KR1020120105709
申请日：2012-09-24
Applicant: 한국전력공사
IPC: H02J3/46
CPC classification number: H02J3/46 , H02J3/381 , H02J7/0003 , H02J7/0013
Abstract: Provided are a manless standalone microgrid system, which automatically controls a start-up of diesel generator according to a charged state of a power storage device, properly manages the charged state of the power storage device, reduces the probability of malfunctions, and enables a power converter and the diesel generator to be operated in parallel, and a control method of the manless standalone microgrid system. The manless standalone microgrid system relates to a microgrid system having a new regeneration energy generator and a power converter. The power converter is commonly coupled with the diesel generator via an alternating current (AC) mother line, and with the new regeneration energy generator via a direct current (DC) current mother line or the AC mother line. The power converter operates in a bidirectional manner, that is, converts DC power to AC power or vice versa. Furthermore, the power converter converts DC power to AC power or vice versa according to whether remaining power exists on the DC mother line or the AC mother line. [Reference numerals] (10) Diesel generator; (20) Bidirectional power converter; (30) Wind generator; (32) Photovoltaic generator; (34) AC-DC rectifier; (36) DC-DC converter; (38) DC-AC inverter; (40) DC mother line; (42) AC mother line; (44) Power storage device; (46) Waste heat recollecting device; (48) Electricity consumer; (AA) Weather measuring device data; (BB) Meteorological administration agency data; (CC) Power line; (DD) Communication line; (EE) Heat pipe
Abstract translation: 提供了一种无人机的独立微电网系统，其根据蓄电装置的充电状态自动控制柴油发电机的起动，适当地管理蓄电装置的充电状态，降低故障的可能性，并且使能 变频器和并联运行的柴油发电机，以及无人机独立微电网系统的控制方法。 无人机的独立微电网系统涉及具有新的再生能量发生器和功率转换器的微电网系统。 功率转换器通常通过交流（AC）母线与柴油发电机耦合，并且通过直流（DC）电流母线或AC母线与新再生能量发生器耦合。 电源转换器以双向方式工作，即将直流电转换为交流电源，反之亦然。 此外，根据DC母线或AC母线上是否存在剩余电力，功率转换器将DC电力转换为AC电力，反之亦然。 （附图标记）（10）柴油发电机; （20）双向电源转换器; （30）风力发电机; （32）光伏发电机; （34）AC-DC整流器; （36）DC-DC转换器; （38）直流 - 交流逆变器; （40）直流母线; （42）AC母线; （44）蓄电装置; （46）废热回收装置; （48）电力消费者; （AA）天气测量装置数据; （BB）气象管理机构数据; （CC）电力线; （DD）通讯线; （EE）热管
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公开(公告)号：KR1020130002504A
公开(公告)日：2013-01-08
申请号：KR1020110063488
申请日：2011-06-29
Applicant: 한국전력공사
CPC classification number: H02J1/14 , H02J3/14 , H02J3/32 , H02J9/062 , Y02E60/721 , Y02T90/168 , Y04S10/126 , Y04S30/12
Abstract: PURPOSE: A distributing board and a method for processing electric power using the same are provided to control AC power and DC power. CONSTITUTION: A power inverter converts AC power into DC power. The power inverter converts DC power into AC power. An AC booth(520) distributes AC power in AC power load. A DC booth(530) distributes DC power in DC power load. A control device(540) controls the power inverter and controls AC power and DC power. [Reference numerals] (210) Upper system device; (220) System gateway; (311) AC fuel generator; (312) AC nonfuel generator; (321) DC fuel generator; (322) DC nonfuel generator; (330) Emergency generating device; (413) First premises major AC power load; (414) n-th premises major AC power load; (415) First premises non-major AC power load; (416) n-th premises non-major AC power load; (423) First premises major DC power load; (424) n-th premises major DC power load; (425) First premises non-major DC power load; (426) n-th premises non-major DC power load; (431) First premises electric vehicle charging terminal; (432) n-th premises electric vehicle charging terminal; (510) Power converter; (540) Control device; (550) First circuit breaker; (560) Transformer; (570) Second circuit breaker; (580) Power storage device; (590) Third circuit breaker; (595) Meter
Abstract translation: 目的：提供一种配电板和使用该配电板处理电力的方法，以控制交流电和直流电。 构成：电源逆变器将交流电转换成直流电源。 电源逆变器将直流电源转换为交流电源。 交流电源（520）在交流电源负载中分配交流电源。 直流电（530）直流电源分配直流电源。 控制装置（540）控制电力逆变器并控制AC电力和DC电力。 （附图标记）（210）上部系统装置; （220）系统网关; （311）交流燃油发电机; （312）交流非燃料发电机; （321）直流燃料发电机; （322）直流非燃油发电机; （330）应急发电装置; （413）第一处理主要交流电源负载; （414）第n个房屋主要交流电源负载; （415）第一处所非主要交流电源负载; （416）第n个房屋非主要交流电源负载; （423）第一厂房主要直流电源负载; （424）第n个房屋主要直流电力负载; （425）第一处理非主要直流电源负载; （426）第n个房屋非主要直流电力负载; （431）第一座电动汽车充电站; （432）第n座电动汽车充电终端; （510）电源转换器; （540）控制装置; （550）第一断路器; （560）变压器; （570）第二断路器; （580）蓄电装置; （590）第三断路器; （595）米
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公开(公告)号：KR1020120002279A
公开(公告)日：2012-01-05
申请号：KR1020100063081
申请日：2010-06-30
Applicant: 한국전력공사
CPC classification number: Y02E40/76 , Y02E60/723 , Y04S10/16 , Y04S10/545 , H02J3/04 , G06Q50/06 , H02J11/00 , H02J13/00 , Y02E60/76
Abstract: PURPOSE: A method for forming the distribution system of a new town and an apparatus thereof are provided to minimize distribution line loss by automatically forming a distribution system using design information which is provided with the form of a CAD file. CONSTITUTION: A summation section and load amount generating unit(120) calculate the load amount of a summation section. A road network generating unit(130) generates road network information using road information. A distribution system configuration unit(140) forms a distribution system under a constraint condition. A storing unit(150) stores the various information inputted through an input unit(110). An output unit(160) outputs the distribution system which is formed with the distribution system configuration part. A controlling unit(170) controls the internal components of a distribution system configuring device(100).
Abstract translation: 目的：提供一种用于形成新城市分配系统的方法及其装置，以通过使用具有CAD文件形式的设计信息自动形成分配系统来最小化配送线损耗。 构成：求和部和负载量生成部（120）计算求和部的负载量。 道路网络生成单元（130）使用道路信息生成道路网络信息。 分配系统配置单元（140）在约束条件下形成分配系统。 存储单元（150）存储通过输入单元（110）输入的各种信息。 输出单元（160）输出形成有分配系统配置部分的分配系统。 控制单元（170）控制分配系统配置设备（100）的内部组件。
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