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Design and Experimental Validation of a High-Current Marx Pulse Generator with Coordinated Voltage Balancing and Current Sharing Based on Series–Parallel IGBTs.

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Title: Design and Experimental Validation of a High-Current Marx Pulse Generator with Coordinated Voltage Balancing and Current Sharing Based on Series–Parallel IGBTs.
Authors: Yao, Cheng1 (AUTHOR), Dong, Shoulong1,2 (AUTHOR) dsl@cqu.edu.cn, Li, Chengxiang1 (AUTHOR), Bo, Zongqing2 (AUTHOR), Xiang, Sizhe1 (AUTHOR), Zhao, Lisheng1 (AUTHOR)
Source: Energies (19961073). Jun2026, Vol. 19 Issue 11, p2546. 15p.
Subject Terms: *Insulated gate bipolar transistors, *Current distribution, *Pulsed power systems, *RC circuits, *Model validation, *Pulse generators, *Mutual inductance
Abstract: Pulsed power systems require compact high-voltage pulse generators with high current capability, where series–parallel configurations of semiconductor switches are inevitable. However, voltage imbalance in series devices and current mismatch in parallel branches significantly degrade system reliability under high-current pulsed conditions. In this work, a high-current solid-state Marx pulse generator based on a series–parallel IGBT configuration is proposed with a coordinated voltage balancing and current sharing strategy. A passive RC snubber is employed to suppress dynamic voltage imbalance, while a coupled inductor is introduced to mitigate transient and steady-state current mismatch. Simulation and experimental results demonstrate that the prototype achieves a peak output of 5 kV and 1000 A with adjustable pulse widths of 2–10 μs. The current imbalance degree is reduced from 45.8% to 3.1%, indicating significantly improved current sharing performance. The proposed method provides an effective and scalable solution for high-current pulsed power applications. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 194587934
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: Design and Experimental Validation of a High-Current Marx Pulse Generator with Coordinated Voltage Balancing and Current Sharing Based on Series–Parallel IGBTs.
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  Data: <searchLink fieldCode="AR" term="%22Yao%2C+Cheng%22">Yao, Cheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dong%2C+Shoulong%22">Dong, Shoulong</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> dsl@cqu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Chengxiang%22">Li, Chengxiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bo%2C+Zongqing%22">Bo, Zongqing</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xiang%2C+Sizhe%22">Xiang, Sizhe</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Lisheng%22">Zhao, Lisheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Jun2026, Vol. 19 Issue 11, p2546. 15p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Insulated+gate+bipolar+transistors%22">Insulated gate bipolar transistors</searchLink><br />*<searchLink fieldCode="DE" term="%22Current+distribution%22">Current distribution</searchLink><br />*<searchLink fieldCode="DE" term="%22Pulsed+power+systems%22">Pulsed power systems</searchLink><br />*<searchLink fieldCode="DE" term="%22RC+circuits%22">RC circuits</searchLink><br />*<searchLink fieldCode="DE" term="%22Model+validation%22">Model validation</searchLink><br />*<searchLink fieldCode="DE" term="%22Pulse+generators%22">Pulse generators</searchLink><br />*<searchLink fieldCode="DE" term="%22Mutual+inductance%22">Mutual inductance</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Pulsed power systems require compact high-voltage pulse generators with high current capability, where series–parallel configurations of semiconductor switches are inevitable. However, voltage imbalance in series devices and current mismatch in parallel branches significantly degrade system reliability under high-current pulsed conditions. In this work, a high-current solid-state Marx pulse generator based on a series–parallel IGBT configuration is proposed with a coordinated voltage balancing and current sharing strategy. A passive RC snubber is employed to suppress dynamic voltage imbalance, while a coupled inductor is introduced to mitigate transient and steady-state current mismatch. Simulation and experimental results demonstrate that the prototype achieves a peak output of 5 kV and 1000 A with adjustable pulse widths of 2–10 μs. The current imbalance degree is reduced from 45.8% to 3.1%, indicating significantly improved current sharing performance. The proposed method provides an effective and scalable solution for high-current pulsed power applications. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.3390/en19112546
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
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        PageCount: 15
        StartPage: 2546
    Subjects:
      – SubjectFull: Insulated gate bipolar transistors
        Type: general
      – SubjectFull: Current distribution
        Type: general
      – SubjectFull: Pulsed power systems
        Type: general
      – SubjectFull: RC circuits
        Type: general
      – SubjectFull: Model validation
        Type: general
      – SubjectFull: Pulse generators
        Type: general
      – SubjectFull: Mutual inductance
        Type: general
    Titles:
      – TitleFull: Design and Experimental Validation of a High-Current Marx Pulse Generator with Coordinated Voltage Balancing and Current Sharing Based on Series–Parallel IGBTs.
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            NameFull: Yao, Cheng
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            NameFull: Dong, Shoulong
      – PersonEntity:
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            NameFull: Li, Chengxiang
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            NameFull: Bo, Zongqing
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            NameFull: Xiang, Sizhe
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            NameFull: Zhao, Lisheng
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          Dates:
            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
          Identifiers:
            – Type: issn-print
              Value: 19961073
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              Value: 19
            – Type: issue
              Value: 11
          Titles:
            – TitleFull: Energies (19961073)
              Type: main
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