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Study on the Impact of the Synergistic Effect of Alternating Electric Field and Mechanical Vibration on the Jumping Characteristics of Particles Defects in GIS.

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Title: Study on the Impact of the Synergistic Effect of Alternating Electric Field and Mechanical Vibration on the Jumping Characteristics of Particles Defects in GIS.
Authors: Gu, Chaomin1 (AUTHOR), Pang, Xianhai1,2 (AUTHOR), Lu, Shijie1 (AUTHOR), Shi, Wentong1,2 (AUTHOR), Shi, Tianyi2 (AUTHOR), Yin, Lingjun2 (AUTHOR), Han, Xutao2 (AUTHOR) xutaohan@xjtu.edu.cn
Source: Energies (19961073). May2026, Vol. 19 Issue 9, p2053. 16p.
Subject Terms: *Particle motion, *Vibration (Mechanics), *Alternating currents, *Dielectric breakdown, *Electric discharges
Abstract: The residual sub-millimeter metal particles in gas-insulated metal enclosed switchgear (GIS) and gas-insulated transmission lines (GILs) are significant factors that trigger insulation failures. During actual operation, these particles not only endure the action of alternating electric fields but also are continuously stimulated by mechanical vibrations. Current research mostly focuses on the behavior of millimeter-sized particles under a single physical field, lacking in-depth understanding of the jumping characteristics of sub-millimeter-scale particles under the combined action of alternating electric fields and mechanical vibrations. This paper has built a collaborative action test platform and constructed a spherical-bowl-shaped electrode defect model. It systematically studied the jumping behavior, motion evolution, and local discharge characteristics of 20-mesh and 40-mesh irregular aluminum particles under the combined action of different voltages (0–7 kV) and mechanical vibrations (amplitude 0.01–0.1 mm, frequency 10–100 Hz). The results show that mechanical vibrations provide initial kinetic energy for the particles, significantly reducing the threshold for jumping, and are the key initiating factor in the collaborative action; in the low-voltage stage, vibration dominates the jumping behavior, while in the high-voltage stage, the electric field dominates the motion evolution; and under dual stimulation, the jumping area of the particles is wider and the motion forms are more diverse (such as flying-flying motion, vertical state, pile-up excitation, etc.), and the starting voltage of discharge is significantly reduced, the discharge repetition rate increases with the increase in vibration intensity and voltage, and is closely related to the particle size. This paper reveals the uniqueness of particle motion and discharge under the collaborative action, providing a theoretical basis for the assessment of multi-physical field states and fault prediction of GIS/GIL. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 193715949
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Study on the Impact of the Synergistic Effect of Alternating Electric Field and Mechanical Vibration on the Jumping Characteristics of Particles Defects in GIS.
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  Data: <searchLink fieldCode="AR" term="%22Gu%2C+Chaomin%22">Gu, Chaomin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pang%2C+Xianhai%22">Pang, Xianhai</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lu%2C+Shijie%22">Lu, Shijie</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shi%2C+Wentong%22">Shi, Wentong</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shi%2C+Tianyi%22">Shi, Tianyi</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yin%2C+Lingjun%22">Yin, Lingjun</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Han%2C+Xutao%22">Han, Xutao</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> xutaohan@xjtu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. May2026, Vol. 19 Issue 9, p2053. 16p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Particle+motion%22">Particle motion</searchLink><br />*<searchLink fieldCode="DE" term="%22Vibration+%28Mechanics%29%22">Vibration (Mechanics)</searchLink><br />*<searchLink fieldCode="DE" term="%22Alternating+currents%22">Alternating currents</searchLink><br />*<searchLink fieldCode="DE" term="%22Dielectric+breakdown%22">Dielectric breakdown</searchLink><br />*<searchLink fieldCode="DE" term="%22Electric+discharges%22">Electric discharges</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The residual sub-millimeter metal particles in gas-insulated metal enclosed switchgear (GIS) and gas-insulated transmission lines (GILs) are significant factors that trigger insulation failures. During actual operation, these particles not only endure the action of alternating electric fields but also are continuously stimulated by mechanical vibrations. Current research mostly focuses on the behavior of millimeter-sized particles under a single physical field, lacking in-depth understanding of the jumping characteristics of sub-millimeter-scale particles under the combined action of alternating electric fields and mechanical vibrations. This paper has built a collaborative action test platform and constructed a spherical-bowl-shaped electrode defect model. It systematically studied the jumping behavior, motion evolution, and local discharge characteristics of 20-mesh and 40-mesh irregular aluminum particles under the combined action of different voltages (0–7 kV) and mechanical vibrations (amplitude 0.01–0.1 mm, frequency 10–100 Hz). The results show that mechanical vibrations provide initial kinetic energy for the particles, significantly reducing the threshold for jumping, and are the key initiating factor in the collaborative action; in the low-voltage stage, vibration dominates the jumping behavior, while in the high-voltage stage, the electric field dominates the motion evolution; and under dual stimulation, the jumping area of the particles is wider and the motion forms are more diverse (such as flying-flying motion, vertical state, pile-up excitation, etc.), and the starting voltage of discharge is significantly reduced, the discharge repetition rate increases with the increase in vibration intensity and voltage, and is closely related to the particle size. This paper reveals the uniqueness of particle motion and discharge under the collaborative action, providing a theoretical basis for the assessment of multi-physical field states and fault prediction of GIS/GIL. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.3390/en19092053
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 16
        StartPage: 2053
    Subjects:
      – SubjectFull: Particle motion
        Type: general
      – SubjectFull: Vibration (Mechanics)
        Type: general
      – SubjectFull: Alternating currents
        Type: general
      – SubjectFull: Dielectric breakdown
        Type: general
      – SubjectFull: Electric discharges
        Type: general
    Titles:
      – TitleFull: Study on the Impact of the Synergistic Effect of Alternating Electric Field and Mechanical Vibration on the Jumping Characteristics of Particles Defects in GIS.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Gu, Chaomin
      – PersonEntity:
          Name:
            NameFull: Pang, Xianhai
      – PersonEntity:
          Name:
            NameFull: Lu, Shijie
      – PersonEntity:
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            NameFull: Shi, Wentong
      – PersonEntity:
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            NameFull: Shi, Tianyi
      – PersonEntity:
          Name:
            NameFull: Yin, Lingjun
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            NameFull: Han, Xutao
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          Dates:
            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
          Identifiers:
            – Type: issn-print
              Value: 19961073
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              Value: 19
            – Type: issue
              Value: 9
          Titles:
            – TitleFull: Energies (19961073)
              Type: main
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