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首页> 外文会议>International Conference on Diagnostics in Electrical Engineering >New VPI Insulation System of High Voltage Stator Windings of Large Rotating Electrical Machines Based on Cogemica VPI Tapes and One-component Epoxy Impregnation Varnish
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New VPI Insulation System of High Voltage Stator Windings of Large Rotating Electrical Machines Based on Cogemica VPI Tapes and One-component Epoxy Impregnation Varnish

机译：基于Cogemica VPI带和单组分环氧浸渍清漆的大型旋转电机高压定子绕组的VPI绝缘系统

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摘要

Cogebi, member of ELCIM Group, is a traditional producer of mica insulation materials. The presented work introduces a new VPI isolation system of the HV winding of large rotating electrical machines based on medium-viscosity one-component epoxy impregnation varnish with high reactivity and Cogemica glass backed VPI tape 609R containing no accelerator. Due to its technological properties and final dielectric parameters, this insulation system aspires to be an alternative to insulation systems based on epoxy-anhydride VPI varnishes and porous mica tapes with an accelerator. Although existing insulation systems of large HV windings are very good in all technical and technological aspects, the legislative regulations (REACH registration requirement) limit the use of some key components of the systems in the future.
机译：ELCIM集团的成员Cogebi是传统的云母绝缘材料生产商。介绍的工作介绍了一种新的大型旋转电机高压绕组的VPI隔离系统，该系统基于具有高反应活性的中粘度单组分环氧浸渍清漆和不含加速剂的Cogemica玻璃背衬VPI胶带609R。由于其技术特性和最终的介电参数，该绝缘系统渴望成为基于环氧酸酐VPI清漆和带有促进剂的多孔云母带的绝缘系统的替代产品。尽管现有的大型高压绕组绝缘系统在所有技术和工艺方面都非常出色，但是法律法规（REACH注册要求）限制了将来使用该系统的某些关键组件。

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