View in EDS

Partial discharge characteristics over SF6/epoxy interfaces under impulse voltage.

Saved in:
Bibliographic Details
Title: Partial discharge characteristics over SF6/epoxy interfaces under impulse voltage.
Authors: Li, Junhao1, Zhang, Liang1, Liang, Jianfeng1, Yao, Xiu2, Li, Yanming1
Source: IEEE Transactions on Dielectrics & Electrical Insulation. Dec2013, Vol. 20 Issue 6, p2158-2164. 7p.
Subjects: Partial discharges, Epoxy insulators, Electric potential, Oscillations, Comparative studies
Abstract: Gas insulated switchgears (GIS) have been widely used due to their high reliability, low maintenance and compact size. The field experiment is an important step to ensure the safety of GIS. The AC withstand voltage test and its corresponding partial discharge (PD) measurement are inadequate for the detection of all the hidden flaws in GIS. Such inadequacy can be compensated by additional impulse withstand voltage test and its PD detection measurement. This paper reports on experiments to study surface discharge over SF6/epoxy under impulse voltage. The TJ (triple-junction) model was used to study the characteristic of partial discharge (PD). The PD signals under four types of impulse voltages were detected by electrical methods. The 50% probability PD inception voltage (PDIV50), time lags and maximum discharge magnitude were analyzed as a function of gas pressure. The PD characteristics under AC voltage were investigated for comparison. The results indicate that the PD signals under impulse voltage can be detected using electrical method, the number of discharges under oscillating impulse voltage was significantly larger, which was due to the influence of source oscillation. The oscillating lightning impulse has the lowest impulse ratio and it is recommended as the best test waveform choice for the field impulse withstand test with PD detection. [ABSTRACT FROM PUBLISHER]
Copyright of IEEE Transactions on Dielectrics & Electrical Insulation is the property of IEEE 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.)
Database: Engineering Source
FullText Text:
  Availability: 0
Header DbId: egs
DbLabel: Engineering Source
An: 92943524
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
Items – Name: Title
  Label: Title
  Group: Ti
  Data: Partial discharge characteristics over SF6/epoxy interfaces under impulse voltage.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Li%2C+Junhao%22">Li, Junhao</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Liang%22">Zhang, Liang</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Liang%2C+Jianfeng%22">Liang, Jianfeng</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Yao%2C+Xiu%22">Yao, Xiu</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Li%2C+Yanming%22">Li, Yanming</searchLink><relatesTo>1</relatesTo>
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22IEEE+Transactions+on+Dielectrics+%26+Electrical+Insulation%22">IEEE Transactions on Dielectrics & Electrical Insulation</searchLink>. Dec2013, Vol. 20 Issue 6, p2158-2164. 7p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Partial+discharges%22">Partial discharges</searchLink><br /><searchLink fieldCode="DE" term="%22Epoxy+insulators%22">Epoxy insulators</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+potential%22">Electric potential</searchLink><br /><searchLink fieldCode="DE" term="%22Oscillations%22">Oscillations</searchLink><br /><searchLink fieldCode="DE" term="%22Comparative+studies%22">Comparative studies</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Gas insulated switchgears (GIS) have been widely used due to their high reliability, low maintenance and compact size. The field experiment is an important step to ensure the safety of GIS. The AC withstand voltage test and its corresponding partial discharge (PD) measurement are inadequate for the detection of all the hidden flaws in GIS. Such inadequacy can be compensated by additional impulse withstand voltage test and its PD detection measurement. This paper reports on experiments to study surface discharge over SF6/epoxy under impulse voltage. The TJ (triple-junction) model was used to study the characteristic of partial discharge (PD). The PD signals under four types of impulse voltages were detected by electrical methods. The 50% probability PD inception voltage (PDIV50), time lags and maximum discharge magnitude were analyzed as a function of gas pressure. The PD characteristics under AC voltage were investigated for comparison. The results indicate that the PD signals under impulse voltage can be detected using electrical method, the number of discharges under oscillating impulse voltage was significantly larger, which was due to the influence of source oscillation. The oscillating lightning impulse has the lowest impulse ratio and it is recommended as the best test waveform choice for the field impulse withstand test with PD detection. [ABSTRACT FROM PUBLISHER]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of IEEE Transactions on Dielectrics & Electrical Insulation is the property of IEEE 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.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=92943524
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1109/TDEI.2013.6678865
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 7
        StartPage: 2158
    Subjects:
      – SubjectFull: Partial discharges
        Type: general
      – SubjectFull: Epoxy insulators
        Type: general
      – SubjectFull: Electric potential
        Type: general
      – SubjectFull: Oscillations
        Type: general
      – SubjectFull: Comparative studies
        Type: general
    Titles:
      – TitleFull: Partial discharge characteristics over SF6/epoxy interfaces under impulse voltage.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Li, Junhao
      – PersonEntity:
          Name:
            NameFull: Zhang, Liang
      – PersonEntity:
          Name:
            NameFull: Liang, Jianfeng
      – PersonEntity:
          Name:
            NameFull: Yao, Xiu
      – PersonEntity:
          Name:
            NameFull: Li, Yanming
    IsPartOfRelationships:
      – BibEntity:
          Dates:
            – D: 01
              M: 12
              Text: Dec2013
              Type: published
              Y: 2013
          Identifiers:
            – Type: issn-print
              Value: 10709878
          Numbering:
            – Type: volume
              Value: 20
            – Type: issue
              Value: 6
          Titles:
            – TitleFull: IEEE Transactions on Dielectrics & Electrical Insulation
              Type: main
ResultId 1