Influence of Multi-ageing on Electrical Properties of Biaxially Oriented Polypropylene Films

被引：0
|
作者：
Zhang, Tianyin [1 ]
Chen, Xiangrong [1 ]
Hong, Zelin [1 ]
Zhu, Guangyu [1 ]
Meng, Fan-Bo [1 ]
Muhammad, Awais [1 ,2 ]
Paramane, Ashish [3 ]
机构：
[1] Zhejiang Univ, Coll Elect Engn, Hangzhou 310027, Peoples R China
[2] Ningbo Orient Wires & Cables Co Ltd, Ningbo 315000, Peoples R China
[3] Natl Inst Technol, Dept Elect Engn, Silchar 788010, Assam, India
来源：
2023 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA, CEIDP | 2023年
基金：
国家重点研发计划;
关键词：
dry-type capacitor; aging; BOPP; electrical property; SURFACE-CHARGE; BEHAVIOR; DC;
D O I：
10.1109/CEIDPS51414.2023.10410555
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Dry-type film capacitors are the core equipment for smart grids and new energy power generation, and their performance greatly depends on the insulation properties of the internal biaxially oriented polypropylene (BOPP) films. In this paper, multi-physics field aging equipment is applied to conduct electrical-thermal- mechanical aging of BOPP films, and the crystallization characteristics, dielectric properties and trap characteristics of aged BOPP films are studied. The results show that the crystalline form of BOPP film will not change during aging, but shallow traps will be introduced inside, which will promote the decay of surface potential and increase space charge injection. Meanwhile, properly increasing the tensile force (30 N to 40 N) of the BOPP film during electro-thermal aging will increase the dielectric constant and reduce the dielectric loss tangent of the BOPP film, hence restoring the dielectric properties of the BOPP film.
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页数：4
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