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    • 6. 发明公开
    • Passive fault current limiter for wind power applications
    • 被动的FehlerstrombegrenzerfürWindkraftanwendungen
    • EP2927488A1
    • 2015-10-07
    • EP14163410.5
    • 2014-04-03
    • Siemens Aktiengesellschaft
    • Thomas, Arwyn
    • F03D11/02H01F3/10H01F29/14H01F38/02
    • H02H9/021F03D9/255H01F3/10H01F21/00H01F27/2823H01F27/385H01F29/146H01F38/023H01F2003/103H02K15/0442H02P9/02Y10T29/49009
    • The present invention relates to a device (100) for limiting a fault current for a generator (200), in particular of a wind turbine. A first frame (110) is made of a ferromagnetic material, wherein the first frame (110) comprises a first frame section (111) and a further first frame section (112), wherein a first gap (101) is formed between the first frame section (111) and the further first frame section (112). A first coil (102) is wound around the first frame section (111), wherein the first coil (102) is connectable to a first stator winding of a stator of the generator (200). A further first coil (103) is wound around the further first frame section (112), wherein the further first coil (103) is connectable to an electronic device (300). A first permanent magnet element (104) is arranged inside the first gap (101). The first frame section (111) and the further first frame section (112) are formed with respect to each other such that an electromagnetic interaction between the first coil (102) and the first permanent magnet element (104) and the further first coil (103) and the first permanent magnet element (104) is provided.
    • 本发明涉及用于限制特别是风力涡轮机的发电机(200)的故障电流的装置(100)。 第一框架(110)由铁磁材料制成,其中第一框架(110)包括第一框架部分(111)和另外的第一框架部分(112),其中第一间隙(101)形成在第一框架 框架部分(111)和另外的第一框架部分(112)。 第一线圈(102)围绕第一框架部分(111)缠绕,其中第一线圈(102)可连接到发电机(200)的定子的第一定子绕组。 另外的第一线圈(103)围绕另外的第一框架部分(112)缠绕,其中另外的第一线圈(103)可连接到电子设备(300)。 第一永磁体元件(104)布置在第一间隙(101)的内部。 第一框架部分(111)和另外的第一框架部分(112)彼此形成,使得第一线圈(102)和第一永久磁铁元件(104)与另外的第一线圈( 103)和第一永久磁铁元件(104)。