公开(公告)号：US20160071644A1

公开(公告)日：2016-03-10

申请号：US14784589

申请日：2014-04-09

Applicant: ABB TECHNOLOGY AG

Inventor： Frank Cornelius ,  Magdalena Ostrogorska

IPC: H01F27/29 ,  H01F27/32 ,  H01F30/12 ,  H01F27/08

CPC classification number: H01F27/29 ,  H01F27/085 ,  H01F27/32 ,  H01F27/327 ,  H01F29/025 ,  H01F30/12 ,  H01F2027/328

Abstract: A coil assembly for a dry high-voltage transformer, having at least one coil with hollow cylindrical electrical winding and with taps, wherein the coil is surrounded at least on its radial outer surface by stiff insulation material, wherein a tap-changer is casted on the outer surface of the insulation material, which is electrically connected to the taps, wherein the electrical connection of at least some of the taps is guided at least in part through the insulation material. The tap-changer may be surrounded by a casting material.

Abstract translation: 一种用于干式高压变压器的线圈组件，具有至少一个具有中空圆柱形电绕组和抽头的线圈，其中线圈至少在其径向外表面上被硬绝缘材料包围，其中分接开关被铸造在 绝缘材料的外表面，其电连接到抽头，其中至少一些抽头的电连接至少部分地通过绝缘材料引导。 分接开关可以被铸造材料包围。

公开(公告)号：US09279836B2

公开(公告)日：2016-03-08

申请号：US13948233

申请日：2013-07-23

Applicant: ABB TECHNOLOGY AG

Inventor： Magdalena Ostrogorska ,  Filip Grecki ,  Marcin Szewczyk ,  Wojciech Piasecki ,  Przemyslaw Balcerek ,  Marek Fulczyk

IPC: G01R19/20 ,  G01R15/18

CPC classification number: G01R19/20 ,  G01R15/185 ,  G01R15/20

Abstract: The invention relates to a device for measuring the direct component of alternating current, applicable in current measuring systems where a low direct component of alternating current and a high amplitude of the alternating component of alternating current occur. The device for measuring the direct component of alternating current comprises a current-carrying wire (1) around which there is located a magnetic core (2) provided with a gap (3) in which a magnetic field sensor (4) with insulated terminals (5) is located and it comprises a shorted compensating winding (6) or (9) which is made in the form of a single turn coil placed on the core (2).

Abstract translation: 本发明涉及用于测量交流电的直接分量的装置，可应用于当前测量系统中，交流电的交流分量交替电流的低直接分量和高振幅发生。 用于测量交流电的直接分量的装置包括载流导线（1），其周围设有设置有间隙（3）的磁芯（2），其中具有绝缘端子的磁场传感器（4） 5）位于其中，并且其包括短路补偿绕组（6）或（9），其形成为放置在芯（2）上的单匝线圈的形式。