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    • 3. 发明授权
    • On-load tap changer
    • 有载分接开关
    • US09373442B2
    • 2016-06-21
    • US13642141
    • 2011-02-23
    • Wolfgang AlbrechtChristian HammerChristian KotzSebastian RehkopfAndreas Sachsenhausen
    • Wolfgang AlbrechtChristian HammerChristian KotzSebastian RehkopfAndreas Sachsenhausen
    • G05F1/14H01F29/04H01H9/00
    • H01F29/04G05F1/14H01H9/0038
    • The invention relates to an on-load tap changer for step transformers, which has one main current branch and one auxiliary current branch for each of the two winding taps to be switched. In each main current branch and auxiliary current branch, switching is accomplished by means of a vacuum switching tube. According to the invention, an additional mechanical contact is provided in each of the main current branches and in each of the auxiliary current branches between the respective winding tap to which said branch is electrically connected and the respective vacuum switching tube in said branch. Said mechanical contacts are switched in such a way that the vacuum switching tubes in the main current branch and the auxiliary current branch of the unconnected winding tap can be galvanically isolated from the unconnected winding tap.
    • 本发明涉及一种用于阶跃式变压器的有载抽头变换器,其具有用于要切换的两个绕组抽头中的每一个的一个主电流分支和一个辅助电流分支。 在每个主电流分支和辅助电流分支中,通过真空开关管实现切换。 根据本发明,在每个主电流分支中以及在所述分支电连接的相应绕组抽头和所述分支中的相应真空开关管之间的每个辅助电流分支中提供附加的机械接触。 所述机械触点的切换方式使得主电流分支中的真空开关管和未连接的绕组抽头的辅助电流分支可以与未连接的绕组丝锥电流隔离。
    • 4. 发明申请
    • ON-LOAD TAP CHANGER
    • 负载带更换
    • US20130057248A1
    • 2013-03-07
    • US13642141
    • 2011-02-23
    • Wolfgang AlbrechtChristian HammerChristian KotzSebastian Rehkopf
    • Wolfgang AlbrechtChristian HammerChristian KotzSebastian Rehkopf
    • H01F29/04
    • H01F29/04G05F1/14H01H9/0038
    • The invention relates to an on-load tap changer for step transformers, which has one main current branch and one auxiliary current branch for each of the two winding taps to be switched. In each main current branch and auxiliary current branch, switching is accomplished by means of a vacuum switching tube. According to the invention, an additional mechanical contact is provided in each of the main current branches and in each of the auxiliary current branches between the respective winding tap to which said branch is electrically connected and the respective vacuum switching tube in said branch. Said mechanical contacts are switched in such a way that the vacuum switching tubes in the main current branch and the auxiliary current branch of the unconnected winding tap can be galvanically isolated from the unconnected winding tap.
    • 本发明涉及一种用于阶跃式变压器的有载抽头变换器,其具有用于要切换的两个绕组抽头中的每一个的一个主电流分支和一个辅助电流分支。 在每个主电流分支和辅助电流分支中,通过真空开关管实现切换。 根据本发明,在每个主电流分支中以及在所述分支电连接的相应绕组抽头和所述分支中的相应真空开关管之间的每个辅助电流分支中提供附加的机械接触。 所述机械触点的切换方式使得主电流分支中的真空开关管和未连接的绕组抽头的辅助电流分支可以与未连接的绕组丝锥电流隔离。