公开(公告)号：US3889175A

公开(公告)日：1975-06-10

申请号：US40487173

申请日：1973-10-10

申请人： HITACHI LTD

发明人： ISOGAI TOKIO ,  ISIKAWA EIICHI ,  FUKUSHI KEIJI ,  AMANO HISAO ,  OGATA FUMIO ,  IKEMOTO NORIO

IPC分类号： H02M1/08 ,  G05F1/56 ,  H02M7/12 ,  H02M7/155 ,  H02M7/19 ,  H02M7/515 ,  H02M7/24

CPC分类号： H02M7/19

摘要： In a driving device for a thyristor type AC-DC converter, a plurality of transformer units each having a magnetic core with a plurality of secondary windings wound thereabout are stacked one upon another and an insulating cylinder through which the primary conductor powered by a pulse generator is passed in an insulated condition is inserted through the transformer units; the secondary windings are connected respectively with the thyristors of the thyristor converter which are connected in series with each other, so as to be controlled in response to the pulse current fed to the primary conductor; a plurality of cylindrical conductors having different diameters are coaxially disposed in the insulating cylinder near the upper and lower ends of the cylinder to form a pair of capacitors electrically separated from each other and the innermost conductors of the capacitors are grounded near the ends of the insulating cylinder so that the surge current flowing from the terminal of the AC-DC converter to the capacitors may be canceled and that the erroneous operation of the converter due to the surge current may be prevented.

摘要翻译： 在用于晶闸管型AC-DC转换器的驱动装置中，具有卷绕在其上的多个次级绕组的磁芯的多个变压器单元彼此堆叠并且由绝缘筒形成，主导体由脉冲发生器 通过绝缘条件插入变压器单元; 次级绕组分别与晶闸管转换器的晶闸管相互串联连接，以响应于馈送到主导体的脉冲电流进行控制; 具有不同直径的多个圆柱形导体在气缸的上端和下端附近同轴地布置在绝缘筒中，以形成彼此电隔离的一对电容器，并且电容器的最内侧导体在绝缘体的端部附近接地 从而可以消除从AC-DC转换器的端子流向电容器的浪涌电流，并且可以防止由于浪涌电流引起的转换器的错误操作。

公开(公告)号：US3654543A

公开(公告)日：1972-04-04

申请号：US3654543D

申请日：1970-11-02

申请人： HITACHI LTD

发明人： ISOGAL TOKIO ,  ISIKAWA EIICHI ,  YUZA HISASHI ,  TAHARA TAKASI ,  MIYASHITA TAKAO ,  IKEMOTO NORIO

IPC分类号： H01F30/00 ,  H01F27/32 ,  H01F27/36 ,  H01F30/16 ,  H02M1/08 ,  H02M7/24

CPC分类号： H01F27/362 ,  H01F27/324 ,  H01F30/16

摘要： An improved structure of a pulse transformer for simultaneously firing all the gates of a multiplicity of series-connected or series- and parallel-connected thyristors as is the case with a converter in dc transmission equipment, having a greater insulation strength and a good resistivity to external shocks. Specifically, since the converter used at high tension renders the line voltage of each thyristor higher, a molded insulating cylinder is disposed between a primary conductor and secondary conductor units of the transformer, whereby potential distributions between the secondary transformer units and the insulating cylinder and between the secondary transformer units adjacent to one another can be improved by providing conductive layers embedded in the insulating cylinder, and the pulse transformer can be made of a dry tape and small in size.

摘要翻译： 脉冲变压器的改进的结构，用于同时点燃多个串联或串联和并联连接的晶闸管的所有栅极，如直流传输设备中的转换器的情况，具有更大的绝缘强度和良好的电阻率 外部冲击 具体地说，由于在高压下使用的转换器使每个晶闸管的线路电压更高，所以模制的绝缘筒设置在变压器的主导体和次导体单元之间，由此在次级变压器单元和绝缘筒之间以及 可以通过提供嵌入在绝缘筒中的导电层来改善彼此相邻的次级变压器单元，并且脉冲变压器可以由干燥带制成并且尺寸小。