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1. 发明公开

EP2481069A1 A FAULT CURRENT LIMITER 审中-公开
标题翻译：一个故障限流器
公开(公告)号：EP2481069A1
公开(公告)日：2012-08-01
申请号：EP10818167.8
申请日：2010-09-27
申请人： Zenergy Power Pty Ltd
发明人： DARMANN, Frank
IPC分类号： H01H73/00 , H01F38/00 , H01F29/14 , H01H75/00
CPC分类号： H01F38/00 , H01F38/023
摘要： A three phase fault current limiter (FCL 6) has three spaced apart input terminals (7) for electrically connecting to respective terminals (5) of a transformer (2). Three output terminals (8) electrically connect FCL (6) with a load circuit (9) which draws load current I
LOAD . FCL (6) includes a multi-post magnetically saturable core (11) and three AC coils (12, 13 and 14) for electrically connecting terminals (7) to respective terminals (8). Coils (12, 13 and 14) allow I
LOAD to flow from a power station (4) to circuit (9). Coils (12, 13 and 14) include respective pairs of series connected high voltage cables (15a and 15b, 16a and 16b and 17a and 17b) wound about core (11). Two generally triangular spaced apart DC coils (19, 20) induce a magnetic field in at least that portion of core (11) about which the cables are wound. The field magnetically biases core (11) such that coils (12, 13 and 14) individually move from a low impedance state to a high impedance state in response to I
LOAD approaching I
MAX .
摘要翻译：三相故障电流限制器（FCL 6）具有三个间隔开的输入端子（7），用于电连接到变压器（2）的相应端子（5）。三个输出端子（8）将FCL（6）与引入负载电流I LOAD的负载电路（9）电连接。 FCL（6）包括用于将端子（7）电连接到相应端子（8）的多柱磁饱和磁芯（11）和三个AC线圈（12,13和14）。线圈（12,13和14）允许I LOAD从发电站（4）流到回路（9）。线圈（12,13和14）包括绕芯线（11）缠绕的各对串联连接的高压电缆（15a和15b，16a和16b以及17a和17b）。两个大致三角形的间隔开的DC线圈（19,20）在至少缠绕电缆的芯部（11）的部分中感应出磁场。响应于I LOAD接近I MAX，磁场对磁芯（11）进行磁偏置，使得线圈（12,13和14）从低阻抗状态单独地移动到高阻抗状态。

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