110kV天然酯绝缘油变压器的绝缘分析  

Insulation Analysis of 110kV Natural Ester Insulation Oil Transformer

作　　者：宋浩永 黄青丹 陈于晴 莫文雄[1] 高泽华 冯书书 SONG Hao-yong;HUANG Qing-dan;CHEN Yu-qing;MO Wen-xiong;GAO Ze-hua;FENG Shu-shu(Guangzhou Power Supply Bureau,Guangzhou 510000,China;School of Electrical Engineering,Xi'an Jiaotong University,Xi'an 710049,China;Training Center,State Grid Hebei Power Company,Shijiazhuang 050000,China)

机构地区：[1]广州供电局,广东广州510000 [2]西安交通大学电气工程学院,陕西西安710049 [3]河北省电力公司培训中心,河北石家庄050000

出　　处：《变压器》2020年第10期64-69,共6页Transformer

基　　金：南方电网公司科技资助项目(GZJKJXM20170055)。

摘　　要：以一台110k V天然酯绝缘油变压器为研究对象,采用有限元法和纵向等值电容计算公式,计算了雷电冲击电压下该变压器内部的电场,依据计算结果对绝缘结构进行了优化,通过试验验证了优化的优越性。Taking a 110 k V natural ester oil transformer as research object, the electric field inside the transformer under lightning impulse voltage is calculated by using finite element method and the calculation formula of longitudinal equivalent capacitance. According to the calculation results, the insulation structure is optimized, and the superiority of the optimization is verified by experiments.

关 键 词：天然酯绝缘油变压器 雷电冲击电压 等值电路 电场分析 绝缘优化 

分 类 号：TM411[电气工程—电器]