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公开(公告)号：KR101437350B1
公开(公告)日：2014-09-04
申请号：KR1020130050489
申请日：2013-05-06
Applicant: 한국철도기술연구원
Abstract: The present invention relates to a DC/AC compatible smart meter system in a DC electric railway system which includes: a first voltage sensor and a first current sensor which are installed in a DC system of a DC electric railway for measuring voltage and current, respectively; a second voltage sensor and a second current sensor which are installed in a DC system of an AC electric railway for measuring voltage and current, respectively; and a smart meter for analyzing data acquired from the first voltage sensor, first current sensor, second voltage sensor and second current sensor which are installed in the DC system and AC system, respectively and communicating with a remote site through wired/wireless communications. The smart meter includes: a data acquisition unit for simultaneously acquiring DC voltage and current, and AC voltage and current measured by the first voltage sensor, first current sensor, second voltage sensor and second current sensor, respectively; a data processing unit for analyzing and calculating an active power, a reactive power, an apparent power, a maximum power demand, a power factor and a harmonics, calculating energy loss and harmonics generation when AC/DC converting in a DC feeding system through the analyzed data, and calculating the time of use, the accumulated use (current) and the frequency of accidents of rectifier in a substation based on the accumulated data; and a communication unit for performing two-way communication with a remote server through the wired/wireless communications.
Abstract translation: 本发明涉及一种直流电气铁路系统中的DC / AC兼容智能电表系统，包括：第一电压传感器和第一电流传感器，分别安装在用于测量电压和电流的直流电铁路的直流系统中 ; 第二电压传感器和第二电流传感器，分别安装在用于测量电压和电流的AC电气铁路的DC系统中; 以及用于分析从分别安装在DC系统和AC系统中的通过有线/无线通信与远程站点通信的第一电压传感器，第一电流传感器，第二电压传感器和第二电流传感器获取的数据的智能仪表。 该智能电表包括：分别同时获取直流电压和电流的数据采集单元，以及由第一电压传感器，第一电流传感器，第二电压传感器和第二电流传感器测量的交流电压和电流; 数据处理单元，用于分析和计算有功功率，无功功率，视在功率，最大功率需求，功率因数和谐波，计算在直流馈电系统中的AC / DC转换时的能量损耗和谐波产生 根据累计数据分析数据，计算使用时间，变电站整流器的累积使用（当前）和事故频率; 以及通过有线/无线通信与远程服务器进行双向通信的通信单元。
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公开(公告)号：KR101437349B1
公开(公告)日：2014-09-04
申请号：KR1020130025988
申请日：2013-03-12
Applicant: 한국철도기술연구원
Abstract: The present invention relates to a railway-connected electric vehicle charging power system based on a multi-functional energy storing device, comprising: a multi-functional charging device (100) directly connected to an electric vehicle charging system (10) to supply precharged power to an electric vehicle, and receive power from a battery of the electric vehicle in a railway power peak or an emergency for charge; a bidirectional converter (200) connected to a feeder bus line to control a charge of regenerated energy generated in a direct feeder system, and supplies charge power of the multi-functional charging device (100) to the direct feeder system if voltage descent of the direct feeder system becomes great; and a bypass switch (300) directly connected to the multi-functional charging device (100) and the electric vehicle charging system (10) and switches to supply the regenerated energy generated in the direct feeder system to the electric vehicle, and switches to directly supply power of the regenerated energy to the electric vehicle charging system if the multi-functional charging device (100) are fully charged. The present invention provides a multi-functional charging device which stores regenerated energy and new and renewable energy connected to the electric vehicle charging system to supply power to charge an electric vehicle, thereby storing power through the regenerated energy generated in the railway; and a new and renewable energy source charging under the power in an existing alternating current power network at night (time when not operating the railway).
Abstract translation: 本发明涉及一种基于多功能储能装置的铁路连接电动车辆充电电力系统，包括：直接连接到电动车辆充电系统（10）的多功能充电装置（100），以提供预充电功率 到电动车辆，并在铁路电力高峰或紧急情况下从电动汽车的电池接收电力; 连接到馈电总线的双向转换器（200），用于控制在直接馈电系统中产生的再生能量的电荷，并且如果电力下降的电力下降，则将多功能充电装置（100）的充电电力提供给直接馈电系统 直接馈线系统变大; 和直接连接到多功能充电装置（100）和电动车辆充电系统（10）的旁路开关（300），并且将直接馈电系统中产生的再生能量提供给电动车辆并切换到直接 如果多功能充电装置（100）充满电，则将再生能量供给电动车辆充电系统。 本发明提供了一种多功能充电装置，其存储再生能量和连接到电动车辆充电系统的新能源和可再生能源，以向电动车辆充电，从而通过铁路中产生的再生能量来蓄电; 和一个新的和可再生能源在夜间（不运行铁路的时候）在现有的交流电网下进行充电。
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公开(公告)号：KR101414812B1
公开(公告)日：2014-07-01
申请号：KR1020120076836
申请日：2012-07-13
Applicant: 한국철도기술연구원 , 한밭대학교 산학협력단
Abstract: 본 발명의 전철용 폴리머 애자는 폴리머 애자; 및 상기 폴리머 애자 표면에 형성된 소수성 증착막;을 포함하며, 상기 소수성 증착막은 티타늄계 화합물을 포함하는 것을 특징으로 한다. 상기 전철용 폴리머 애자는 접촉각이 88° 이상인 소수성 증착막을 포함하여, 발수성 및 세척 용이성이 우수하며, 내충격성, 절연성, 내화성 등이 우수하다.
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公开(公告)号：KR1020140062364A
公开(公告)日：2014-05-23
申请号：KR1020120129065
申请日：2012-11-14
Applicant: 한국철도기술연구원
CPC classification number: H02N11/002 , B60L1/14 , H01L35/28 , H02J7/00 , Y10S257/93
Abstract: The present invention relates to a thermoelectric generation device for a railroad car and a method thereof. The device includes a thermoelectric generation module which is installed in a floating lever of a railroad car and outputs a voltage according to temperature difference between thermoelectric generation elements; a power conversion unit which converts the voltage outputted from the thermoelectric generation module to a charge voltage for an energy storage unit and outputs the voltage to the energy storage unit; a switch unit which supplies or blocks power stored in the energy storage unit by the charge voltage to an auxiliary power unit; and a control unit which, if a brake signal of the railroad car is inputted, controls the power conversion unit to charge the energy storage unit and controls the switch unit by comparing the power stored in the energy storage unit with a predefined reference value. According to the present invention, waste heat generated in the floating lever when the brakes are put on the railroad car can be recovered as electric energy and used as auxiliary power so that energy efficiency of the railroad car can be enhanced.
Abstract translation: 本发明涉及一种铁路车辆用热电发电装置及其制造方法。 该装置包括热电发电模块，其安装在铁路车辆的浮动杆上，并根据热电发电元件之间的温差输出电压; 功率转换单元，其将从所述热电发电模块输出的电压转换为用于能量存储单元的充电电压，并将所述电压输出到所述能量存储单元; 开关单元，其通过所述充电电压向所述辅助电力单元供给或阻断存储在所述能量存储单元中的电力; 以及控制单元，如果输入了所述铁路车辆的制动信号，则控制所述功率转换单元对所述能量存储单元进行充电，并且通过将存储在所述能量存储单元中的功率与预定义的参考值进行比较来控制所述开关单元。 根据本发明，当制动器放置在铁路车辆上时，浮动杆产生的废热可以作为电能回收并用作辅助动力，从而可以提高铁路车辆的能量效率。
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公开(公告)号：KR101369337B1
公开(公告)日：2014-03-06
申请号：KR1020120048118
申请日：2012-05-07
Applicant: 한국철도기술연구원
CPC classification number: Y02T10/7241
Abstract: 본 발명은 사구간이 없는 교류철도시스템용 대용량 능동형 철도급전시스템 및 그 방법에 관한 것으로서, 교류 3상의 전기를 입력전압에 부합하도록 변환하는 컨버터 변압기(110)와, 교류 3상의 전기를 직류(DC)로 변환하는 컨버터(120)와, 변환된 직류 전압을 단상 AC로 변환하는 인버터(130)와, 변환된 단상 AC를 철도차량 운행을 위한 전력으로 변환하는 인버터 변압기(140)와, 전력계통을 보호하는 차단장치(150)와, 전차선을 통해 철도차량으로 전원을 공급하는 전원공급장치(160)로 구성된 철도급전장치(100); 및 철도급전장치(100)를 원격으로 제어하여 전기철도 급전시스템의 전력변환, 제어 및 전력공급의 운영을 관리 및 제어하는 중앙관리서버(200);를 포함한다.
상기와 같은 본 발명에 따르면, 능동형 전철변전소를 통하여 절연구간(사구간)이 없는 철도급전시스템을 구현하여 능동적인 전력 제어를 통하여 급전계통을 구성하여 전력을 공급함으로써, 철도의 속도를 향상시키고, 철도의 제어를 용이하게 하고, 능동형 전철변전소를 통하여 절연구간(사구간)이 없는 철도급전시스템을 구현하여 능동적인 전력 제어를 통하여 급전계통을 구성하여 전력을 공급함으로써, 전력불평등 및 전압강하 등의 전력품질 향상 회생에너지와 전류분담을 줄이고, 능동형 전철전력급전시스템을 제공하는 효과가 있다.-
Patent Agency Ranking
公开(公告)号：KR1020140009863A
公开(公告)日：2014-01-23
申请号：KR1020120076836
申请日：2012-07-13
Applicant: 한국철도기술연구원 , 한밭대학교 산학협력단
CPC classification number: B60M1/18 , B60L2200/26 , B60Y2200/30 , H01B17/50
Abstract: A polymer insulator for a subway of the present invention comprises a polymer insulator and a hydrophobic deposition layer formed on the surface of the polymer insulator, wherein the hydrophobic deposition layer includes a titanium-based compound. The polymer insulator for a subway comprises the hydrophobic deposition layer having the contact angle of 88°, thereby having excellent water repellency, easy cleaning, remarkable impact resistance, insulation, and fire resistance.
Abstract translation: 本发明的地铁用聚合物绝缘体包含聚合物绝缘体和在聚合物绝缘子的表面形成的疏水性沉积层，其中疏水性沉积层包含钛基化合物。 用于地铁的聚合物绝缘体包括具有88°接触角的疏水性沉积层，由此具有优异的防水性，易于清洁，显着的耐冲击性，绝缘性和耐火性。
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公开(公告)号：KR101315476B1
公开(公告)日：2013-10-04
申请号：KR1020120037550
申请日：2012-04-10
Applicant: 한국철도기술연구원
Abstract: PURPOSE: A rail potential rise limit system on a DC electric railway and a method thereof instantaneously suppress a rail potential rise in the event of a dangerous voltage and avoid the risk of a human body. CONSTITUTION: A rail potential rise limit system includes a voltage measurement unit (100), a switch unit (200), a current measurement unit (300), and a control device (400). The voltage measurement unit measures a voltage between a rail and the ground. The switch unit operates when a dangerous voltage is generated through the voltage measurement unit. The dangerous voltage is measured while a voltage over an allowable value exceeds a predetermined time. The current measurement unit measures a current flowing from the rail to the ground when the rail and the ground are connected through the switch unit. The control device sets or controls a voltage value in which the switch unit operates and a current value in which the switch unit stops. [Reference numerals] (100) Voltage measurement unit; (200) Switch unit; (300) Current measurement unit; (400) Control device; (AA) Rail; (BB) Ground
Abstract translation: 目的：直流电铁路上的轨道上升极限系统及其瞬时抑制危险电压下的轨道电位上升并避免人体的危险的方法。 构成：轨道电位上限系统包括电压测量单元（100），开关单元（200），电流测量单元（300）和控制装置（400）。 电压测量单元测量轨道和地面之间的电压。 当通过电压测量单元产生危险电压时，开关单元工作。 当超过允许值的电压超过预定时间时，测量危险电压。 当轨道和地面通过开关单元连接时，当前测量单元测量从轨道流向地面的电流。 控制装置设置或控制开关单元工作的电压值和开关单元停止的当前值。 （附图标记）（100）电压测量单元; （200）开关单元; （300）电流测量单元; （400）控制装置; （AA）铁路; （BB）地面
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公开(公告)号：KR101205906B1
公开(公告)日：2012-11-29
申请号：KR1020100113295
申请日：2010-11-15
CPC classification number: Y02T10/7005 , Y02T10/7241
Abstract: 본 발명은 직류 전력시스템 전력을 이용하여 전기차량을 충전할 수 있도록 하는 전기차량 충전시스템을 개시한다. 개시된 전기차량 충전시스템은, 직류 전력시스템의 분배선으로부터 직류전원을 공급받는 충전측 직류변압기;와, 상기 충전측 직류변압기의 출력단에 접속되는 제 2 충전스위치;와, 상기 제 2 충전스위치에 접속되는 충전포트;와, 상기 충전포트로의 전원 공급을 온/오프시키도록 상기 제 2 충전스위치를 온/오프시켜 전기차량의 충전을 제어하는 충전단말기;를 포함하여 구성되어, 전기차량 충전시스템의 설치 비용을 감소시키고, 상용 전원 공급의 과부하 발생을 감소시키며, 충전을 위한 전원 입력 값이 다른 다양한 종류의 전기차량을 하나의 충전포트를 이용하여 충전할 수 있도록 함으로써 전기차량의 충전효율을 높일 수 있도록 한다.
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公开(公告)号：KR1020120054461A
公开(公告)日：2012-05-30
申请号：KR1020100115849
申请日：2010-11-19
Abstract: PURPOSE: A section insulator is provided to minimize abrasion and contamination due to a pantograph by assembling a plurality of insulating materials to the other side of a connection metal device. CONSTITUTION: A Teflon material insulating material(100) is filled with glass fiber. A connection metal device(200) is composed of a right and left side connection metal device and a center connection metal device. The connection metal device attaches a skid and a level control device attaching hanger. A shift metal device(300) puts together a plurality of insulating materials to the other side of the connection metal device. An electric car line connection metal device interlinks an electric car line to one side of the shift metal device.
Abstract translation: 目的：提供一种截面绝缘体，以通过将多个绝缘材料组装到连接金属装置的另一侧来最小化由于受电弓的磨损和污染。 构成：特氟隆材料绝缘材料（100）填充有玻璃纤维。 连接金属装置（200）由左右侧连接金属装置和中心连接金属装置构成。 连接金属装置附着滑板和液位控制装置连接吊架。 换档金属装置（300）将多个绝缘材料组合到连接金属装置的另一侧。 电动车线连接金属装置将电动车线与移动金属装置的一侧相互连接。
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公开(公告)号：KR101101938B1
公开(公告)日：2012-01-02
申请号：KR1020100048287
申请日：2010-05-24
Applicant: 한국철도기술연구원
Abstract: 직류 전기철도 고저항 지락 검출 방법에 개시된다. 이 방법은 마스터 변전소와 슬레이브 변전소로 설정한 인접하는 2개의 변전소의 급전전류를 합성하여 얻어지는 합성귀선전류를 상기 마스터 변전소에서 일정시간(
T R ) 동안 관측하여, 일정 전류구분( )마다 얼마의 시간동안 발생하였는지를 나타내는 발생빈도( )를 구하는 단계; 및 상기 마스터 변전소에서 상기 발생빈도( ) 또는 상기 발생빈도의 역수에 상당하는 단위시간당 가중치를 구하고, 상기 가중치를 상기 단위시간마다 수차 관측된 합성귀선전류로 적산하여 구해지는 전류평가치(S)가 상기 마스터 변전소와 상기 슬레이브 변전소 각각의 급전전류에 대하여 정해진 기준을 초과할 때 지락이 발생하였다고 판단하는 단계;를 포함한다. 따라서 비교적 저렴한 비용으로 신뢰성 높은 지락 검출이 구현될 수 있다.
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