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An Investigation of Dust Deposition Patterns and Electric Field Distortion on Insulators Based on Finite Element Simulation.

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Title: An Investigation of Dust Deposition Patterns and Electric Field Distortion on Insulators Based on Finite Element Simulation.
Authors: Lyu, Fangxing1 (AUTHOR) lvfangxing@xsyu.edu.cn, Yang, Jun1 (AUTHOR), Ding, Jian2 (AUTHOR), Su, Liangzhi2 (AUTHOR), Fang, Xin3 (AUTHOR), Shen, Lan3 (AUTHOR), Mishra, Pramita (AUTHOR) pmishra@wiley.com
Source: International Transactions on Electrical Energy Systems. 7/12/2026, Vol. 2026, p1-10. 10p.
Subject Terms: *Dust, Contact angle, Finite element method, Electric distortion, Flashover, Electric power system protection, Electric insulators & insulation
Abstract: In dust‐prone regions such as Northwest China, dust accumulation on insulators distorts the electric field, which is a key cause of flashovers and performance degradation. However, existing studies have mainly focused on the chemical properties of contaminants or equivalent salt deposit density. As a result, the physical mechanism by which the geometric morphology of dust deposits independently affects the electric field distribution remains poorly understood. To address this gap, this study employs finite element simulation to systematically investigate the contact angle θ at the dust–insulator interface as a key geometric parameter governing electric field distortion. An electrostatic field model of the XP‐70 disc‐type suspension insulator was established to simulate and analyze electric field distributions under different dust accumulation morphologies. Findings indicate that when θ approaches 90°, severe electric field distortion occurs in the contact region; conversely, when θ approaches 0° or 180°, the electric field distribution becomes more uniform with significantly reduced distortion. This study provides a quantitative analysis of the correlation between contact angle and electric field distortion in dust accumulation patterns, offering a new perspective on the distortion mechanism caused by dust contamination. It offers a potential theoretical basis for antiflashover design and structural optimization of insulators in severe dust environments, holding significant value for ensuring power grid operational safety. [ABSTRACT FROM AUTHOR]
Copyright of International Transactions on Electrical Energy Systems is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: An Investigation of Dust Deposition Patterns and Electric Field Distortion on Insulators Based on Finite Element Simulation.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Lyu%2C+Fangxing%22">Lyu, Fangxing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> lvfangxing@xsyu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Yang%2C+Jun%22">Yang, Jun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ding%2C+Jian%22">Ding, Jian</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Su%2C+Liangzhi%22">Su, Liangzhi</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fang%2C+Xin%22">Fang, Xin</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shen%2C+Lan%22">Shen, Lan</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mishra%2C+Pramita%22">Mishra, Pramita</searchLink> (AUTHOR)<i> pmishra@wiley.com</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Transactions+on+Electrical+Energy+Systems%22">International Transactions on Electrical Energy Systems</searchLink>. 7/12/2026, Vol. 2026, p1-10. 10p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Dust%22">Dust</searchLink><br /><searchLink fieldCode="DE" term="%22Contact+angle%22">Contact angle</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+distortion%22">Electric distortion</searchLink><br /><searchLink fieldCode="DE" term="%22Flashover%22">Flashover</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+power+system+protection%22">Electric power system protection</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+insulators+%26+insulation%22">Electric insulators & insulation</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In dust‐prone regions such as Northwest China, dust accumulation on insulators distorts the electric field, which is a key cause of flashovers and performance degradation. However, existing studies have mainly focused on the chemical properties of contaminants or equivalent salt deposit density. As a result, the physical mechanism by which the geometric morphology of dust deposits independently affects the electric field distribution remains poorly understood. To address this gap, this study employs finite element simulation to systematically investigate the contact angle θ at the dust–insulator interface as a key geometric parameter governing electric field distortion. An electrostatic field model of the XP‐70 disc‐type suspension insulator was established to simulate and analyze electric field distributions under different dust accumulation morphologies. Findings indicate that when θ approaches 90°, severe electric field distortion occurs in the contact region; conversely, when θ approaches 0° or 180°, the electric field distribution becomes more uniform with significantly reduced distortion. This study provides a quantitative analysis of the correlation between contact angle and electric field distortion in dust accumulation patterns, offering a new perspective on the distortion mechanism caused by dust contamination. It offers a potential theoretical basis for antiflashover design and structural optimization of insulators in severe dust environments, holding significant value for ensuring power grid operational safety. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Transactions on Electrical Energy Systems is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1155/etep/5526613
    Languages:
      – Code: eng
        Text: English
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        PageCount: 10
        StartPage: 1
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      – SubjectFull: Dust
        Type: general
      – SubjectFull: Contact angle
        Type: general
      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Electric distortion
        Type: general
      – SubjectFull: Flashover
        Type: general
      – SubjectFull: Electric power system protection
        Type: general
      – SubjectFull: Electric insulators & insulation
        Type: general
    Titles:
      – TitleFull: An Investigation of Dust Deposition Patterns and Electric Field Distortion on Insulators Based on Finite Element Simulation.
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            NameFull: Lyu, Fangxing
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            NameFull: Yang, Jun
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            NameFull: Su, Liangzhi
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            NameFull: Fang, Xin
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            – D: 12
              M: 07
              Text: 7/12/2026
              Type: published
              Y: 2026
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              Value: 2026
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