温度和微水对变压器油及油纸绝缘介电性能的影响  

Influence of temperature and micro water on dielectric properties of oil and oil-paper insulation of transformer

作　　者：刘兰荣[1,2] 孙建涛 马斌 张书琦[3] 徐征宇 杜振斌 LIU Lanrong;SUN Jiantao;MA Bin;ZHANG Shuqi;XU Zhengyu;DU Zhenbin(Baoding Tianwei Baobian Electric Co.,Ltd.,Baoding 071050,China;Hebei Provincial Key Laboratory of Electromagnetic&Structural Performance of Power Transmission and Transformation Equipment,Baoding 071050,China;China Electric Power Research Institute Co.,Ltd.,Beijing 100192,China)

机构地区：[1]保定天威保变电气股份有限公司,河北保定071050 [2]河北省输变电装备电磁与结构性能重点实验室,河北保定071050 [3]中国电力科学研究院有限公司,北京100192

出　　处：《电气应用》2021年第3期8-13,共6页Electrotechnical Application

基　　金：国网公司科技项目(GYB17201600162)。

摘　　要：开展了极寒环境下变压器油及油纸绝缘介电性能的研究和典型油-纸绝缘系统的电场分析。建立了极寒环境试验系统,在-60~25℃温度范围内,研究不同微水含量下的变压器油及油纸绝缘结构的绝缘性能随温度的变化情况,并对试验结果进行了分析。The dielectric properties research of transformer oil and oil-paper insulation and the electric field analysis of typical oil-paper insulation system in extremely cold environment were carried out in this paper.An extremely cold environment test system was established to study the variety of insulation performance of transformer oil and oil-paper insulation with temperature,at the temperature range of-60~25℃,under different micro water content.The test results were analyzed as well as.

关 键 词：极寒 变压器油 变压器油纸绝缘 介电常数 介损因数 击穿电压 

分 类 号：TM41[电气工程—电器]