公开(公告)号：US09331540B2

公开(公告)日：2016-05-03

申请号：US14315627

申请日：2014-06-26

Applicant: ALSTOM Renewable Technologies

Inventor： Andreas Koepfler ,  Jeremy Poux ,  Thomas Lugand

IPC: H02K3/40

CPC classification number: H02K3/40 ,  H02K2213/03

Abstract: An end winding corona protection including a winding of a rotating electric machine, having a conductor and a groundwall insulation surrounding the conductor, an end winding corona protection arranged on the outer surface of the groundwall insulation, the end winding corona protection comprising a first layer characterized in that the surface resistance of the first layer is in the range of 10 Ohm to 80 Ohm, and in that the end winding corona protection further comprises a second layer arranged on the outer surface of the first layer, wherein the second layer is made of semiconductive material, and wherein third layer is arranged on the outer surface of the second layer and made of medium resistive material.

Abstract translation: 一种端绕绕电晕保护，包括旋转电机的绕组，具有围绕导体的导体和接地壁绝缘体，布置在接地壁绝缘体的外表面上的端部缠绕电晕保护，端部绕组电晕保护包括第一层， 因为第一层的表面电阻在10欧姆至80欧姆的范围内，并且因为端部绕组电晕保护还包括布置在第一层的外表面上的第二层，其中第二层由 半导体材料，并且其中第三层布置在第二层的外表面上并由中等电阻材料制成。

公开(公告)号：US20150008782A1

公开(公告)日：2015-01-08

申请号：US14315627

申请日：2014-06-26

Applicant: ALSTOM Renewable Technologies

Inventor： Andreas Koepfler ,  Jeremy Poux ,  Thomas Lugand

IPC: H02K3/40

CPC classification number: H02K3/40 ,  H02K2213/03

Abstract: An end winding corona protection including a winding of a rotating electric machine, having a conductor and a groundwall insulation surrounding the conductor, an end winding corona protection arranged on the outer surface of the groundwall insulation, the end winding corona protection comprising a first layer characterized in that the surface resistance of the first layer is in the range of 10 Ohm to 80 Ohm, and in that the end winding corona protection further comprises a second layer arranged on the outer surface of the first layer, wherein the second layer is made of semiconductive material, and wherein third layer is arranged on the outer surface of the second layer and made of medium resistive material.

Abstract translation: 一种端绕绕电晕保护，包括旋转电机的绕组，具有围绕导体的导体和接地壁绝缘体，布置在接地壁绝缘体的外表面上的端部缠绕电晕保护，端部绕组电晕保护包括第一层， 因为第一层的表面电阻在10欧姆至80欧姆的范围内，并且因为端部绕组电晕保护还包括布置在第一层的外表面上的第二层，其中第二层由 半导体材料，并且其中第三层布置在第二层的外表面上并由中等电阻材料制成。