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The deterioration mechanism of the properties of insulating cardboard under mechanical force
ID：269 View Protection：ATTENDEE Updated Time：2022-08-29 15:50:46 Hits：283 Poster Presentation

Start Time：Pending（Asia/Shanghai）

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Abstract
In this paper, we constructed the cellulose model of insulating cardboard, studied the changing process of the micro performance index of insulating paper under the action of mechanical force, and designed the mechanical force aging experiment under different aging times, and studied the mechanical properties. Simulation results showed that mechanical force can aggravate the movement of insulating cardboard fiber chain and cause decreased cellulose stability. The measurement results show that degree of polymerization of insulating cardboard was decreased. After the discussion of the results, we come to the conclusion that mechanical force aggravate the deterioration of insulating paper and the researchers may focus on the revealing of the quantitative relation between mechanical force volume and the movement extent of the cellulose chain. This paper expounds the degradation mechanism of the insulating paper properties from macro perspective and micro-prospective, which provides a reliable basis and data support for the subsequent insulation ability judgment of the insulating cardboard.
 
Keywords
Molecular dynamics simulation,Converter transformer,Oil-paper insulation,Aging mechanism
Speaker
Zihao Li
Shandong University

Submission Author
Longfei Li Electric Power Research Institute of State Grid Xinjiang Electric Power Co., Ltd；Xinjiang Power Transmission and Transformation Equipment Extreme Environment Operation and Testing Technology Laboratory
Lei Liu Electric Power Research Institute of State Grid Xinjiang Electric Power Co., Ltd；Xinjiang Power Transmission and Transformation Equipment Extreme Environment Operation and Testing Technology Laboratory
Ling Zhang Electric Power Research Institute of State Grid Xinjiang Electric Power Co., Ltd；Xinjiang Power Transmission and Transformation Equipment Extreme Environment Operation and Testing Technology Laboratory
Weining Zhang State Grid Xinjiang Electric Power Co., Ltd
Fei Zhang Electric Power Research Institute of State Grid Xinjiang Electric Power Co., Ltd；Xinjiang Power Transmission and Transformation Equipment Extreme Environment Operation and Testing Technology Laboratory
Sirui Zhu Electric Power Research Institute of State Grid Hubei Electric Power Co., Ltd
Zhaoguang Du Electric Power Research Institute of State Grid Xinjiang Electric Power Co., Ltd；Xinjiang Power Transmission and Transformation Equipment Extreme Environment Operation and Testing Technology Laboratory
JIntao Wen Electric Power Research Institute of State Grid Xinjiang Electric Power Co., Ltd；Xinjiang Power Transmission and Transformation Equipment Extreme Environment Operation and Testing Technology Laboratory
Zihao Li Shandong University
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Important Date

  • Conference Date

    Sep 25

    2022

    to

    Sep 29

    2022

  • Aug 15 2022

    Early Bird Registration

  • Sep 10 2022

    Contribution Submission Deadline

  • Nov 10 2022

    Registration deadline

  • Nov 30 2022

    Draft paper submission deadline

  • Nov 30 2022

    Final Paper Deadline

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