大型空冷发电机定子绕组用新型端部绑扎材料性能及应用研究  

Study on Property and Application of a New Type of Coil Bundling Material for Stator Winding of Large Air-cooled Generator

作　　者：胡道雄 徐冰[2] 刘亚丽[3] 陈阳[2] HU Daoxiong;XU Bing;LIU Yali;CHEN Yang(Zhejiang Bofay Electric Corporation,Haining 314400,China;Harbin Electric Machinery Company Limited,Harbin 150040,China;Machinery Industry Beijing Electrotechnical Institute of Economic Research,Beijing 100070,China)

机构地区：[1]浙江博菲电气股份有限公司,浙江海宁314400 [2]哈尔滨电机厂有限责任公司,哈尔滨150040 [3]机械工业北京电工技术经济研究所,北京100070

出　　处：《大电机技术》2021年第5期64-68,共5页Large Electric Machine and Hydraulic Turbine

摘　　要：本文基于大型高电压空冷发电机组定子绕组端部固定和绑扎工艺要求,在总结传统绑扎材料特点的基础上,开发了新型端部绑扎材料。该绑扎材料在浸胶速度、绑扎强度和降低电晕影响方面均较现有绑扎材料有明显提升。同时本文还开展了材料性能研究、模拟线棒绑扎工艺性能研究、模拟绕组端部固定工艺性能研究及实际(真机)应用,结果表明该绑扎材料性能良好,能满足大型空冷发电机组对定子绕组端部绑扎材料的要求。Based on analyzing the requirements of end fixing and bundling characteristics of large HV air-cooled generator stator coil and the features of traditional bundling materials,a new type of coil bundling material was developed.The bundling material has significant advantage over traditional bundling materials in tensile strength,varnish penetration speed and anti-corona effect reduction.Study on property of the material characteristics,fixing and bundling characteristics on model bars,model end winding and application on practical generator are carried out in this paper.The results demonstrate that the property of bundling material and application characteristic is excellent and meet the bundling material requirement of stator end winding for large air-cooled generator.

关 键 词：空冷发电机 绑扎材料 防电晕 定子绕组 

分 类 号：TM305.2[电气工程—电机]