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公开(公告)号：US07994427B2
公开(公告)日：2011-08-09
申请号：US12294373
申请日：2007-03-24
申请人： Mats Berglund , Lars-Åke Svensson , Tony Polander , Gunnar Jorendal , Erik Forsberg , Lars-Erik Vennerberg
发明人： Mats Berglund , Lars-Åke Svensson , Tony Polander , Gunnar Jorendal , Erik Forsberg , Lars-Erik Vennerberg
CPC分类号： H01F27/04 , H01F27/362 , Y10T29/4902
摘要： A high voltage insulation system for high-voltage direct current including a bushing, a conductor, a transformer conductor, and a connection between the conductor and the transformer conductor. A conductive shielding electrode shields the connection between the bushing and transformer. A surrounding insulation system is immersed in transformer oil. The surrounding insulation system includes transformer insulation material and bushing insulation material. A cylindrical solid insulation barrier encloses the connection between the bushing conductor and transformer conductor. At least one solid insulation barrier is fastened on the outer side of the shielding electrode. The at least one solid insulation barrier extends in an axial direction outside the axial direction of the shielding electrode and forms a distance to the insulation material of the bushing and the insulation material of the transformer, whereby a moderate voltage drop over the solid insulation barrier is obtained.
摘要翻译： 一种用于高压直流电压的高压绝缘系统，包括衬套，导体，变压器导体以及导体与变压器导体之间的连接。 导电屏蔽电极屏蔽套管和变压器之间的连接。 周围的绝缘系统浸在变压器油中。 周边绝缘系统包括变压器绝缘材料和衬套绝缘材料。 圆柱形固体绝缘屏障包围套管导体和变压器导体之间的连接。 至少一个固体绝缘屏障固定在屏蔽电极的外侧上。 所述至少一个固体绝缘屏障沿着所述屏蔽电极的轴向外侧的轴向方向延伸，并且与所述套管的绝缘材料和所述变压器的绝缘材料形成距离，由此所述固体绝缘屏障上的适度的电压降为 获得。
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2.发明授权High voltage transformer with a shield ring, a shield ring and a method of manufacture same 有权具有屏蔽环的高压变压器，屏蔽环及其制造方法公开(公告)号：US07808351B2
公开(公告)日：2010-10-05
申请号：US12439547
申请日：2007-08-17
CPC分类号： H01F27/2885 , H01F27/362 , Y10T29/49073
摘要： A high voltage transformer including a transformer housing. Internal components and provided in the transformer housing. The internal components are submerged in transformer oil and are provided with insulation for insulating a high voltage winding end. The insulation includes a shield ring arranged above the winding end and a pressboard structure formed in a zigzag pattern arranged around the winding end. The shield ring includes a core covered with a conducting layer and a continuous solid insulation layer outside the conducting layer. The insulation layer includes integrated solid insulation sections of which at least some among themselves having varying thickness. Also a shield ring and a method of manufacture the shield ring.
摘要翻译： 包括变压器外壳的高压变压器。 内部组件并提供在变压器外壳中。 内部组件浸没在变压器油中，并提供绝缘用于绝缘高压绕组端。 绝缘体包括布置在绕组端上方的屏蔽环和以绕绕端部布置的之字形图案形成的压板结构。 屏蔽环包括被导电层覆盖的芯和在导电层外部的连续的固体绝缘层。 绝缘层包括集成的固体绝缘部分，其中至少一些本身具有变化的厚度。 还有屏蔽环和制造屏蔽环的方法。
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