Study on the regulating mechanism of OaPOSS on electrical tree characteristics of thermoplastic polypropylene

Xiaosi Lin; Jiawen Chen; Duo Huang; Yi Li; Qun Chen; Wah Hoon Siew; Jianjun Lin

doi:10.1117/12.3016455

1 February 2024 Study on the regulating mechanism of OaPOSS on electrical tree characteristics of thermoplastic polypropylene

Xiaosi Lin, Jiawen Chen, Duo Huang, Yi Li, Qun Chen, Wah Hoon Siew, Jianjun Lin

Author Affiliations +

Proceedings Volume 13068, Fifth International Conference on Optoelectronic Science and Materials (ICOSM 2023); 130680U (2024) https://doi.org/10.1117/12.3016455
Event: Fifth International Conference on Optoelectronic Science and Materials (ICOSM 2023), 2023, Hefei, China

Abstract

In the DC polymeric cable insulation, electrical treeing is an electrical pre-breakdown phenomenon in polymer insulating layer. This is a failure process caused by electrical damage, and it is carried out in a tree-like path through the stress insulation layer. electric tree growth of polymer high-voltage cable insulation is a common breakdown mechanism about the electrical failure of underground power cables. Due to the widely use of power electronic devices in the VSC-HVDC system, the generation of harmonics brings a variety of insulation problems. In this paper, the research work investigates the effect of octa-aminophenyl POSS (OaPOSS) addition on suppressing the electric tree properties of polypropylene (PP) under the pulse voltage, involving the treeing initial voltage for treeing growth, the treeing propagating rate and the time to breakdown. Some physical and electrical characteristics of OaPOSS/PP nanocomposites would be analysed through the observation of scanning electron microscope (SEM) and the electrostatic potential calculation. Finally, the analysing results would show how the addition of OaPOSS could improve the electrical treeing characteristics of PP due to the enhancement of trapping distribution.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Xiaosi Lin, Jiawen Chen, Duo Huang, Yi Li, Qun Chen, Wah Hoon Siew, and Jianjun Lin "Study on the regulating mechanism of OaPOSS on electrical tree characteristics of thermoplastic polypropylene", Proc. SPIE 13068, Fifth International Conference on Optoelectronic Science and Materials (ICOSM 2023), 130680U (1 February 2024); https://doi.org/10.1117/12.3016455

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