变压器绕组温升外推法的数学方法研究  

Research on Mathematical Method of Extrapolation of Temperature Rise of Transformer Winding

作　　者：张敏[1] 王博[1] 王伟[1] 李鑫[1] 董永星 郎丰源 ZHANG Min;WANG Bo;WANG Wei;LI Xin;DONG Yong-xing;LANG Feng-yuan(Xi'an High Voltage Apparatus Research Institute Co.,Ltd.,Xi'an 710077,China)

机构地区：[1]西安高压电器研究院有限责任公司,陕西西安710077

出　　处：《变压器》2022年第2期33-37,共5页Transformer

摘　　要：本文中作者详细介绍了GB 1094.2-2013液浸式变压器温升试验绕组外推法计算电源切断瞬间的绕组温度的数学方法推导过程,并根据其计算原理提出了一种通过软件计算相关参数的方法和变压器绕组温度测量值的修正建议。This paper introduces in detail the mathematical derivation process of calculating the winding temperature at the moment of power supply cut-off by winding extrapolation method of GB 1094.2-2013 liquid immersion transformer temperature rise test.Based on its calculation principle,a method for calculating related parameters by software and a correction suggestion for the measured value of the transformer winding temperature are proposed.

关 键 词：液浸式变压器 温升试验 绕组温度 外推法 

分 类 号：TM406[电气工程—电器]