The impact of oxygen content on the ablation mechanism of gassing materials under arc action

Authors

  • Qian Wang School of Science, Xi’an University of Technology, Xi’an, Shaanxi, China
  • Yi Shang School of Science, Xi’an University of Technology, Xi’an, Shaanxi, China
  • Weidong Cao College of Electrical Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi, China
  • Wanmeng Zhao School of Science, Xi’an University of Technology, Xi’an, Shaanxi, China
  • Yuxuan Liu School of Science, Xi’an University of Technology, Xi’an, Shaanxi, China
  • Xu Zhong School of Science, Xi’an University of Technology, Xi’an, Shaanxi, China

DOI:

https://doi.org/10.14311/ppt.2025.3.233

Keywords:

Breaker, Decomposition, PA66, Oxygen Content, ReaxFF

Abstract

With the rapid development of Renewable energy, DC power system, Energy Storage System and Rail Transit etc, the demand of high performance Direct Current circuit breakers is increasing significantly. Gassing materials can improve the interruption capability during the arc ignition process, however, the decomposition process and reaction products will be affected by the onsite environment, such as pressure, oxygen concentration and humidity. Using molecular dynamics simulations, the decomposition process of PA66 under an electric field at varying oxygen contents was analyzed. The results show that the introduction of oxygen accelerates the decomposition of PA66, not only promoting hydrogen generation but also suppressing the formation of tar and coke, and provides a preliminary standard for choosing the qualified gassing materials.

References

W. Chenyang, D. Qianqian, Z. Kai, et al. A hybrid model for photovoltaic power prediction of both convolutional and long short-term memory neural networks optimized by genetic algorithm. Acta Phys. Sin., 69(10):100701, 2020. doi:10.7498/aps.69.20191935.

H. Liu, J. Dankwa Ampah, S. Afrane, et al. Potential benefits and trade-offs associated with hydrogen transition under diverse carbon dioxide removal strategies. Science Bulletin, 11 2023. doi:10.1016/j.scib.2023.10.033.

W. Junliang and W. Ming-di. Optimization design and experimental study of mccb arc chamber. Journal of Engineering Design, 24(4):480–486, 2017. doi:10.3785/j.issn.1006-754X.2017.04.016.

A. C. T. van Duin, S. Dasgupta, F. Lorant, and W. A. Goddard. Reaxff: a reactive force field for hydrocarbons. The Journal of Physical Chemistry A, 105(41):9396–9409, 2001. doi:10.1021/jp004368u.

M. Kowalik, C. Ashraf, B. Damirchi, et al. Atomistic scale analysis of the carbonization process for C/H/O/N-based polymers with the reaxff reactive force field. The Journal of Physical Chemistry B, 123(25):5357–5367, 2019. doi:10.1021/acs.jpcb.9b04298.

W. Cao, X. Li, Y. Zhang, et al. Atomic-scale insight into arc plasma radiation-induced gassing materials ablation: photothermal decomposition behavior. Journal of Physics D: Applied Physics, 57(19):195204, feb 2024. doi:10.1088/1361-6463/ad2562.

Downloads

Published

2025-12-30

Issue

Vol. 12 No. 3 (2025)

Section

Articles

License

Copyright (c) 2025 Qian Wang, Yi Shang, Weidong Cao, Wanmeng Zhao, Yuxuan Liu, Xu Zhong

Creative Commons License

This work is licensed under a Creative Commons Attribution 3.0 Unported License.

Authors who publish with this journal agree to the following terms:

  1. Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
  2. Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
  3. Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).