线棒/绕组介质损耗因数测量的关键问题探讨  

Discussion on the key problems in measuring dielectric loss factor of winding bar/winding

作　　者：石强 刁国峰 樊宏强 陈阳 SHI Qiang;DIAO Guofeng;FAN Hongqiang;CHEN Yang(LiuJiaXia Hydropower Station,State Grid Gansu Electric Power Company,Yongjing 731600,China;HADONG National Engineering Research Center-Hydropower Equipment Company Ltd.,Harbin 150040,China)

机构地区：[1]国网甘肃省电力公司刘家峡水电厂,永靖731600 [2]哈动国家水力发电设备工程技术研究中心有限公司,哈尔滨150040

出　　处：《上海大中型电机》2023年第3期43-47,共5页Shanghai Medium and Large Electrical Machines

摘　　要：本文结合最新发布的国际大电网(CIGRE)介质损耗因数测量技术报告和涉及本项试验的国内外标准(IEC 60034-33、GB/T 20833.3等),对比分析线棒/绕组绝缘介质损耗因数的试验特征,重点阐述测量电极结构、测量方法和标准限值的关系。为本项试验在大中型发电机定子线棒/绕组领域的标准化测量提供重要参考。In this paper,the test characteristics of dielectric dissipation factor of winding bar/winding insulation are compared and analyzed based on the latest International Council on Large Electric Systems(CIGRE)dielectric dissipation factor measurement technical report and the domestic and foreign standards involved in this test(IEC 60034-33,GB/T 20833.3,etc.),emphasizing the relationship between the measurement of electrode structure,measuring method and standard limit value so as to provide an important reference for the standardized measurement of stator bar/winding in large and medium-sized generator.

关 键 词：定子线棒 定子绕组 介质损耗因数 测量电极 测量方法 限值 

分 类 号：TM304[电气工程—电机]