Review about PD and breakdown induced by conductive particles in an insulating liquid

作     者：Cheng Pan Ju Tang George Chen Yongze Zhang Xinyu Luo 

作者机构：School of Electrical Engineering and AutomationWuhan UniversityWuhan 430072People's Republic of China State Key Laboratory of Power Transmission Equipment and System Security and New TechnologyChongqing UniversityChongqing 400044People's Republic of China School of Electronics and Computer ScienceUniversity of SouthamptonSouthampton SO171BJUK 

出 版 物：《High Voltage》 (高电压（英文）)

年 卷 期：2020年第5卷第3期

页      面：287-297页

核心收录：

学科分类：0808[工学-电气工程] 080803[工学-高电压与绝缘技术] 08[工学] 

基　　金：the financial supports from the National Natural Science Foundation of China(51977158) 

主　　题：field. conductive liquid 

摘      要：In insulating liquid,a conductive particle becomes charged through the interaction with a conductor exposed to an applied ***,it migrates in the action of both electric field and fluid and causes the enhancement of local field when it is in proximity of the conductor with opposite *** enhancement will lead to partial discharge(PD)and may even ignite full gap breakdown in special *** study reviews comprehensive researches relevant to these *** the first place,several theoretical methods about how to obtain the charges held by a conductive particle with known potential are introduced,so are experimental ***,forces acting on the charged particle in liquid are classified,and its migration characteristics,as well as influential factors,are ***,PD and breakdown mechanisms of liquid initiated by conductive particles are *** latter involves two cases:electric-field enhancement when the particle concentration is low and bridging phenomenon when it is *** last,two important,but frequently ignored factors,*** barrier and oil flow,are highlighted,and the authors’suggestions for future work are put forward.