Research insight into the change of aggregation structure of BOPP films and its influence on electrical properties under accelerated thermal aging
Yunxiao Zhang,
Jiarui Zhang,
Yuhao Liu
et al.
Abstract:Biaxially oriented polypropylene (BOPP) film used in pulse film capacitors withstands high temperatures for a long time. This leads to frequent faults in pulse film capacitors, affecting the reliability of the pulse system. In this paper, the thermal aging tests of BOPP films at 100°C for 10–80 days are carried out in this paper, and the physicochemical and electrical properties of the aging materials are characterized. The results show that more deep and shallow traps to BOPP films are introduced during the t… Show more
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