高压云母绝缘系统中的工艺应力

2020 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus) Pub Date : 2020-01-01 DOI:10.1109/EIConRus49466.2020.9039025

Petr V. Karakchiev, T. Shikova, I. Ivanov

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引用次数: 2

摘要

研究了用富树脂(RR)技术的胶带材料制作电机母线和定子绕组单片云母绝缘的问题。热压多层热固性云母绝缘层过程中产生的工艺应力会导致绝缘层从导体上剥落或绝缘层之间的附着力降低等缺陷的出现。在COMSOL MULTIPHYSICS程序中，计算了导体结构和材料变化时横截面的工艺应力。考虑了热压过程的固化温度对该应力值的影响。将估算数据与不同试验得到的胶粘剂耐久性实验值进行了比较。它可以估计绝缘系统在制造过程中产生缺陷的可能性。

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Technological Stresses in the System of High-Voltage Mica Insulation

The study is devoted to problem of creation monolithic mica insulation for busbars and stator windings of electric machines, which is created from tape materials on Resin Rich (RR) technology. Technological stresses arising in process of thermal pressing multilayered thermosetting mica insulation can lead to emerging of defects as peeling of insulation from conductor or reduction of adhesion between layers of insulation. Calculation of technological stresses is provided in program COMSOL MULTIPHYSICS in transverse section with changing of configuration and material of conductor. Influence of curing temperature of thermal pressing process to value of this stresses is considered. Estimated data is compared with experimental values of adhesive durability, which is got by different tests. It lets to estimate possibility of defects arising in insulation system in manufacturing.

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来源期刊

2020 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus)

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