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Void Partial Discharge Simulation Under a Repetitive Frequency Square Wave with Different Overshoot Rates.

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Title: Void Partial Discharge Simulation Under a Repetitive Frequency Square Wave with Different Overshoot Rates.
Authors: Guo, Ruizhou1 (AUTHOR), Jin, Tao1,2 (AUTHOR), Wang, Wei1,2 (AUTHOR), An, Ruifeng1,2 (AUTHOR), Wu, Pan1 (AUTHOR), Yan, Shuquan1 (AUTHOR), Cong, Lin1 (AUTHOR), Cheng, Yinzhang1 (AUTHOR), Lei, Zhipeng2 (AUTHOR) leizhipeng@tyut.edu.cn
Source: Energies (19961073). Jan2026, Vol. 19 Issue 1, p135. 14p.
Subject Terms: *Partial discharges, *Square waves, *Finite element method, *Electrical engineering, *Computer simulation, *Transients (Dynamics), *Dielectric breakdown
Abstract: Long-term partial discharge (PD) erosion is an important factor causing insulation failure. With the rapid development of power electronics and the widespread application of inverters, more insulation is subjected to repetitive frequency square wave signals. To understand the void PD characteristics of insulation subjected to repetitive frequency square wave signals, a finite element simulation model of void PD is established based on the ABC model. A time-domain waveform and a phase-resolved partial discharge (PRPD) plot of void PD under repetitive frequency square wave with different overshoot rates are simulated. Then, void PD is measured under different overshoot rates and compared with the simulation results. Finally, the influence of overshoot voltage on internal discharge is analyzed. The simulation and experimental results show that the overshoot rate positively correlates with statistical characteristics, such as the average PD number and maximum PD quantity. Void PD events mainly occur in the overshoot portion of the repetitive frequency square wave. Therefore, the overshoot portion of the repetitive frequency square wave is one of the key factors contributing to severe PD in insulation. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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  Availability: 1
Header DbId: enr
DbLabel: Energy & Power Source
An: 190785281
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Void Partial Discharge Simulation Under a Repetitive Frequency Square Wave with Different Overshoot Rates.
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  Data: <searchLink fieldCode="AR" term="%22Guo%2C+Ruizhou%22">Guo, Ruizhou</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jin%2C+Tao%22">Jin, Tao</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Wei%22">Wang, Wei</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22An%2C+Ruifeng%22">An, Ruifeng</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Pan%22">Wu, Pan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yan%2C+Shuquan%22">Yan, Shuquan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cong%2C+Lin%22">Cong, Lin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cheng%2C+Yinzhang%22">Cheng, Yinzhang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lei%2C+Zhipeng%22">Lei, Zhipeng</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> leizhipeng@tyut.edu.cn</i>
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  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Jan2026, Vol. 19 Issue 1, p135. 14p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Partial+discharges%22">Partial discharges</searchLink><br />*<searchLink fieldCode="DE" term="%22Square+waves%22">Square waves</searchLink><br />*<searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br />*<searchLink fieldCode="DE" term="%22Electrical+engineering%22">Electrical engineering</searchLink><br />*<searchLink fieldCode="DE" term="%22Computer+simulation%22">Computer simulation</searchLink><br />*<searchLink fieldCode="DE" term="%22Transients+%28Dynamics%29%22">Transients (Dynamics)</searchLink><br />*<searchLink fieldCode="DE" term="%22Dielectric+breakdown%22">Dielectric breakdown</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Long-term partial discharge (PD) erosion is an important factor causing insulation failure. With the rapid development of power electronics and the widespread application of inverters, more insulation is subjected to repetitive frequency square wave signals. To understand the void PD characteristics of insulation subjected to repetitive frequency square wave signals, a finite element simulation model of void PD is established based on the ABC model. A time-domain waveform and a phase-resolved partial discharge (PRPD) plot of void PD under repetitive frequency square wave with different overshoot rates are simulated. Then, void PD is measured under different overshoot rates and compared with the simulation results. Finally, the influence of overshoot voltage on internal discharge is analyzed. The simulation and experimental results show that the overshoot rate positively correlates with statistical characteristics, such as the average PD number and maximum PD quantity. Void PD events mainly occur in the overshoot portion of the repetitive frequency square wave. Therefore, the overshoot portion of the repetitive frequency square wave is one of the key factors contributing to severe PD in insulation. [ABSTRACT FROM AUTHOR]
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        Value: 10.3390/en19010135
    Languages:
      – Code: eng
        Text: English
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        PageCount: 14
        StartPage: 135
    Subjects:
      – SubjectFull: Partial discharges
        Type: general
      – SubjectFull: Square waves
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      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Electrical engineering
        Type: general
      – SubjectFull: Computer simulation
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      – SubjectFull: Transients (Dynamics)
        Type: general
      – SubjectFull: Dielectric breakdown
        Type: general
    Titles:
      – TitleFull: Void Partial Discharge Simulation Under a Repetitive Frequency Square Wave with Different Overshoot Rates.
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            NameFull: Guo, Ruizhou
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            NameFull: Jin, Tao
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            NameFull: Cong, Lin
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            – D: 01
              M: 01
              Text: Jan2026
              Type: published
              Y: 2026
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            – Type: issn-print
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              Value: 19
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            – TitleFull: Energies (19961073)
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