公开(公告)号：US3928832A

公开(公告)日：1975-12-23

申请号：US51130474

申请日：1974-09-30

Applicant: ASEA AB

Inventor： FORSBERG SVANTE ,  LARBO STIG ,  STEPHENSEN BJORN

IPC: F02P1/08 ,  H01F27/32 ,  H01F27/28

CPC classification number: F02P1/083 ,  H01F27/323

Abstract: A transformer winding is formed of a tape-like conductor running helically in a plurality of layers in which the tape advances successively from one end of the layer to the other in overlapping relationship with the overlap increasing from layer to layer so that the length of the layers becomes progressively shorter towards the outside. Insulation between the successive helical coils is wound on at the same time that the layers are formed.

Abstract translation: 变压器绕组由在多个层中螺旋状地运行的带状导体形成，其中带从层的一端向前连续地前进到与另一层重叠的重叠关系，使得层的长度 层向外逐渐变短。 在连续的螺旋线圈之间的绝缘在形成层的同时被缠绕。

公开(公告)号：US3911384A

公开(公告)日：1975-10-07

申请号：US48092974

申请日：1974-06-19

Applicant: ASEA AB

Inventor： ANDERSSON OLLE ,  ERICSSON ELLERTH ,  FORSBERG SVANTE

IPC: H01B17/62 ,  H01F27/32 ,  H01F41/00 ,  H01F27/34 ,  H01B17/44

CPC classification number: H01F27/324 ,  H01B17/62 ,  H01F41/005

Abstract: For increasing the dielectric strength in metal electrodes, particularly in parts of the electrodes around which there prevail inhomogeneous electrical fields with uncontrollable electrical field strength, a layer of resin with a dielectric constant which is high in comparison with the dielectric constant of transformer oil is applied to the electrode by means of electrostatic spraying.

Abstract translation: 为了增加金属电极中的电介质强度，特别是在不稳定电场强度不均匀的电场周围的电极部分中，施加与变压器油的介电常数相比高的介电常数的树脂层 通过静电喷涂到电极。