Influence of Oil Paper Composition on the Space Charge Characteristics

作     者：C.H.Chen Kai Wu Rui Su Shengtao Li 

作者机构：Department of Electrical Engineering of Xi’an Jiaotong UniversityXi’an 710049China State Key Laboratory of Electrical Insulation and Power EquipmentXi’an Jiaotong UniversityXi’an 710049China 

出 版 物：《CSEE Journal of Power and Energy Systems》 (中国电机工程学会电力与能源系统学报（英文）)

年 卷 期：2015年第1卷第3期

页      面：10-15页

学科分类：0202[经济学-应用经济学] 02[经济学] 020205[经济学-产业经济学] 

基　　金：supported in part by the National Key Basic Research Program of China under Project(No.2011CB209404) 

主　　题：Electric conduction oil paper composition microstructure space charge 

摘      要：Space charge inside oil paper insulation can severely distort the electric field distribution and lead to degradation of electrical performance of materials.A vast number of articles about the space charge characteristics of oil paper insulation under different conditions has been published;however,few report the influence of oil paper *** this paper,a comparison of the space charge distribution as well as the electrical conductivity of four combinations of transformer oil(Kunlun#25 and Nynas oil)and paper(type I from XD factory,type II imported from France)is carried *** results show that the combination of type II paper and Kunlun oil performs well with minimal charge accumulation inside the *** understand the phenomenon,results of space charge measurements and electrical conductivity are associated.A microscopic inspection of two types of paper is conducted to acquire the surface condition of the *** relationship between space charge injection quantity and surface condition of the papers is *** is observed that a relatively higher conductivity of oil as well as a smooth,dense surface of paper can suppress space charge in oil paper insulation.