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    • 1. 发明申请
    • 상용 주파수의 대칭성을 이용한 단독운전 검출 모듈 및 이를 이용한 단독운전 검출 방법
    • 使用商业频率对称的岛屿检测模块和使用相同的岛屿检测方法
    • WO2014137029A1
    • 2014-09-12
    • PCT/KR2013/003951
    • 2013-05-07
    • 공주대학교 산학협력단
    • 유병규
    • H02J3/38
    • H02J3/383H02J3/1807H02J2003/388Y02E10/563Y02E40/30
    • 상용 주파수의 대칭성을 이용한 단독 운전 검출 모듈 및 이를 이용한 단독 운전 검출 방법을 개시한다. 본 발명의 실시 예에 따른 상용 주파수의 대칭성을 이용한 단독운전 검출 모듈은 병렬로 연결된 제1 및 제2 분산전원 인버터의 출력전류 데이터를 각각 수신한 후, 샘플링하여, 상기 제1 및 제2 분산전원 인버터의 출력 전류에 따른 양의 반 주기 주파수 및 음의 반 주기 주파수를 검출하는 검출부: 상기 양의 반 주기 주파수의 진폭과 상기 음의 반 주기 주파수 진폭의 차이값을 산출하는 연산부; 상기 차이값을 단독운전 판별지수로 산출하여 출력하는 지수 산출부; 상기 차이값이 적용된 단독운전 판별지수와 기 설정된 기준판별지수를 비교하여 상기 차이값이 적용된 단독운전 판별지수가 상기 기준판별지수보다 클 경우, 단독운전상태로 결정하여 처리 신호를 출력하는 비교부; 및 상기 처리신호의 수신 여부에 따라 상기 제1 및 제2 분산전원 인버터의 동작을 제어하는 제어부;를 포함한다.
    • 公开了使用商业频率对称的孤岛检测模块和使用其的孤岛检测方法。 根据本发明的一个实施例的使用商业频率对称的孤岛检测模块包括:检测单元,用于分别并联连接的第一和第二分布式功率逆变器的输出电流数据,然后对接收的输出电流进行采样 数据,以便根据第一和第二分布式电力逆变器的输出电流检测频率的正半周期和频率的负半周期; 计算单元,用于计算频率的正半周期和负半周期的振幅之间的差值; 索引计算单元,用于计算差值作为孤岛识别指数并输出孤岛识别指标; 比较单元,用于比较应用差分值的孤岛识别指数和预设参考鉴别指标,并且当应用差值的孤岛识别指数更大时,确定孤岛状态以输出处理信号 比参考歧视指数; 以及控制单元,用于根据接收到的处理信号来控制第一和第二分布式电力逆变器的操作。
    • 2. 发明申请
    • HOCHSPANNUNGSPLATTFORM
    • 高电压平台
    • WO2013064166A1
    • 2013-05-10
    • PCT/EP2011/069131
    • 2011-10-31
    • SIEMENS AKTIENGESELLSCHAFTVON SECK, AchimKUHN, German
    • VON SECK, AchimKUHN, German
    • H02B5/00H01G4/38H02J3/16H02J3/36
    • H05K7/00H02B5/00H02J3/1807Y02E40/30
    • Um eine Einrichtung (1) zum elektrisch isolierten Tragen von Hochspannungsgeräten (8, 9, 10, 11) mit einer über Stützisolatoren (2) elektrisch isolierten aufgeständerten Trageplattform (4), auf der die Hochspannungsgeräten (8, 9, 10, 11) angeordnet sind, wobei die Trageplattform (4) Primärträger (5) aufweist, mit denen die Trageplattform (4) auf den Stützisolatoren (2) aufliegt, bereitzustellen, die ein Durchbiegen der Trageplattform kostengünstig verhindert, wird vorgeschlagen, dass die Hochspannungsgeräten (8, 9, 10, 11) zumindest teilweise in einer Tragstruktur (4) angeordnet sind, die mit Abstellfüßen (17) ausgerüstet ist, wobei jeder Abstellfuß (17) senkrecht oberhalb eines Primärträgers (5) angeordnet ist.
    • 周围的设备布置(1),用于电绝缘的穿着高压设备(8,9,10,11),其具有支撑绝缘子的一个装置(2)电绝缘升高支撑平台(4)在其上的高电压设备(8,9,10,11) 是,与支撑平台(4)具有主载波(5)与所述支撑平台(4)在所述支撑绝缘子(2)倚靠,提供成本防止下垂支撑平台的,所以建议在高压设备(8,9, 10,11)至少部分地(在支撑4)结构布置,其(与存储腿17)被提供,每个Abstellfuß(17)被布置成垂直于上方的主载波(5)。
    • 6. 发明申请
    • AUXILIARY POWER SUPPLY
    • 辅助电源
    • WO2004045046A1
    • 2004-05-27
    • PCT/SE2003/001731
    • 2003-11-10
    • ABB ABÄNGQUIST, Lennart
    • ÄNGQUIST, Lennart
    • H02J11/00
    • H02J11/00H02J3/1807H02J2001/002H02M3/22Y02E40/30Y10T307/511
    • An auxiliary power supply equipment for a high voltage installation 1, 7, 8 has a power source 3 at ground potential, a load circuit 4 at high potential, and a transmission link 5, 6 for coupling the power source to the load circuit. The power source comprises a high frequency voltage generator 31, and the transmission link comprises a first 5 and a second 6 current path. Each path is closed by capacitive coupling 51, 61, 61′ to provide insulation between the ground potential and the high potential, and each current path has a reactive compensation means 52, 62, 53, 312, 63, 313, 62′, 53′, 412′, 63′, 413 for series compensation of reactive power generated by the capacitive coupling.
    • 用于高压设备1,7,8的辅助电源设备具有接地电位的电源3,高电位的负载电路4,以及用于将电源耦合到负载电路的传输链路5,6。 电源包括高频电压发生器31,并且传输链路包括第一5和第六电流路径。 每个路径通过电容耦合51,61,61'闭合以提供接地电位和高电位之间的绝缘,并且每个电流路径具有无功补偿装置52,62,53,312,63,313,62',53 ',412',63',413用于由电容耦合产生的无功功率的串联补偿。
    • 7. 发明申请
    • HIGH-FREQUENCY GENERATOR
    • 高频发电机
    • WO2003103111A1
    • 2003-12-11
    • PCT/GB2003/002349
    • 2003-05-29
    • BOWMAN POWER SYSTEMS LIMITEDHARRIS, Martyn, RutherfordREED, Matthew, James
    • HARRIS, Martyn, RutherfordREED, Matthew, James
    • H02J3/18
    • H02P9/10H02J3/16H02J3/1807H02M5/40H02M5/45H02M7/066Y02E40/32Y02E40/34
    • The invention provides an electrical generating system comprising an AC electrical generator (G) having an output, the system being characterised by a capacitor arrangement (Ca) which is provided at the output of the generator and which is arranged so as to offset a drop of voltage from no-load to full-load occurring at the output of the generator, whereby to permit increased power to be drawn from the generator without an unacceptable drop in output voltage and without exceeding permissible temperature limits for the generator winding. As described, the generator (G) is a permanent-magnet generator having a plurality of terminals and associated output lines, and the capacitor arrangement comprises a respective capacitor connected in series in one or more of the output lines, the value of the capacitance being selected such that a drop of voltage from no-load to full-load occurring at the associated generator terminal is substantially offset at an output terminal of the said capacitor.
    • 本发明提供了一种包括具有输出的交流发电机(G)的发电系统,该系统的特征在于电容器装置(Ca),电容器装置(Ca)设置在发电机的输出处, 从发电机输出端的空载电压到满载电压,从而允许增加发电机的功率,而不会产生不可接受的输出电压下降,而不超过发电机绕组允许的温度限制。 如上所述,发电机(G)是具有多个端子和相关联的输出线的永磁发电机,电容器装置包括串联连接在一个或多个输出线中的相应电容器,电容值为 被选择为使得在相关联的发电机端子处发生的从空载到满载的电压的下降在所述电容器的输出端处基本上偏移。
    • 8. 发明申请
    • CONTROL EQUIPMENT FOR THYRISTOR-CONTROLLED SERIES CAPACITOR EQUIPMENT, AND A METHOD FOR CONTROL THEREOF
    • 用于控制串联电容器设备的控制设备及其控制方法
    • WO01024342A1
    • 2001-04-05
    • PCT/SE2000/001671
    • 2000-08-31
    • H02J3/18H02M7/162H02J3/36
    • H02J3/1807H02M7/1626Y02E40/14Y02E40/30
    • Thyristor-controlled series capacitor equipment (CEQ), intended for connection between an ac network (NET) and a converter (CONV), connected thereto, for conversion between alternating current ( (IT) and high-voltage direct current (Id) , with a controllable semiconductor valve (TYSW), has control equipment with control means (32) which, in dependence on a synchronization signal ( PHI SYNC), form firing pulses ( TP1 , TP2 ) for control of the semiconductor valve. The converter has a control device (CTR1) which forms a control-angle order ( alpha - ORD ) for phase-angle control of the converter, related to the phase position for a voltage ( U J2) at a chosen connection point (J2). The control equipment (CTREQ) comprises phase-correcting means (52, S4) which form the synchronization signal in dependence on a voltage-phase signal ( PHI U)) supplied thereto and containing information about the phase position of said voltage, and on a control-angle signal ( alpha ) supplied thereto and containing information about the control angle of the converter.
    • 晶闸管控制的串联电容器设备(CEQ),用于与交流网络(NET)和转换器(CONV)之间的连接,用于在交流电(i)(i)和高电压 具有可控半导体阀(TYSW)的直流电流(Id)具有控制装置,其具有控制装置(32),其根据同步信号(PHI SYNC)形成点火脉冲( TP1 ,TP2 ),用于控制半导体阀。 ),用于与所选连接点(J2)处的电压(U1)的相位位置相关的转换器的相位角控制,控制设备(CTREQ)包括相位校正装置 52,S4),其根据提供给其的电压相位信号(PHI U)形成同步信号,并且包含关于所述电压的相位位置的信息,以及控制角信号 lpha),并包含关于转换器的控制角度的信息。
    • 9. 发明申请
    • POWER FLOW CONTROL
    • 动力流量控制
    • WO99029008A1
    • 1999-06-10
    • PCT/EP1998/007744
    • 1998-11-30
    • H02J3/06H02J3/18H02K3/40H02K47/18
    • H02K47/18H02J3/06H02J3/1807H02J3/1885H02K3/40H02K2203/15Y02E40/30Y02E40/32
    • A power transmission and/or distribution system including at least one power line (2) connecting two parts of the system and at least one high voltage rotating power converter means (3) connected in the system for controlling power flow in the system. The rotating power converter means (3) includes at least one winding having electrically conducting means (41) surrounded by electrically insulating means (42) comprising magnetically permeable solid material within which the electric field is confined in use of the power converter means. The at least one rotating power converter means (3) is connected directly, by a transformerless connection, to, or in series with, the at least one power line (2). The invention also relates to a power flow controller and to a method of controlling power flow between two power systems.
    • 一种动力传输和/或分配系统,包括连接系统的两个部分的至少一个电力线(2)和连接在系统中的至少一个高压旋转功率转换器装置(3),用于控制系统中的电力流。 旋转功率转换器装置(3)包括至少一个绕组,其具有由电绝缘装置(42)包围的导电装置(41),该绝缘装置包括导磁固体材料,在该导电固体材料内电场被限制在功率转换装置的使用中。 所述至少一个旋转功率转换器装置(3)通过无变压器连接直接连接到所述至少一个电力线(2)或与所述至少一个电力线(2)串联连接。 本发明还涉及一种功率流控制器和一种控制两个电力系统之间的功率流的方法。