High Power Laser and Particle Beams, Volume. 36, Issue 2, 025007(2024)

Optimization desigh of new all-solid-state modular multilevel special high-voltage power supply

Yushan Li1, Weigang Qian2, Jiaxun Teng3、*, and Xiaofeng Sun3、*
Author Affiliations
  • 1Qinhuangdao Vocational and Technical College, Qinhuangdao 066100, China
  • 2Qinhuangdao Yanqin Nano Technology Co., Ltd, Qinhuangdao 066010, China
  • 3Key Laboratory of Power Electronics for Energy Conservation and Motor Drive of Hebei Province, Yanshan University, Qinhuangdao 066004, China
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    Figures & Tables(12)
    Topology diagram of conventional MMC and I-MMC
    Energy flow path between sub-module capacitors
    Sub-module capacitor energy flow path
    Diagram of I-MMC equivalent models
    Relationship between capacitance ratio, modulationratio and power factor angle
    Combined modular unit
    Voltage waveforms of upper and lower bridge arm submodules
    Voltage waveforms of upper and lower bridge arm sub-modules in model 2
    Simulation waveforms
    Experimental waveforms
    • Table 1. Simulation parameters

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      Table 1. Simulation parameters

      modelUdc/kVUac/kVP/MWf/Hzfc/kHznumber of bridge arm submodulesLarm/mHC/μFtransformer conversion ratioL/μHfH/kHz
      MMC12121.2502410668
      I-MMC4.94.91.2502410668/1771∶1920
    • Table 2. Experimental parameters

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      Table 2. Experimental parameters

      Udc/VUac/VP/kWf/Hzfc/kHzLarm/mHC/μFtransformer conversion ratioL/μHfH/kHz
      2402401.250261101:14.320
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    Yushan Li, Weigang Qian, Jiaxun Teng, Xiaofeng Sun. Optimization desigh of new all-solid-state modular multilevel special high-voltage power supply[J]. High Power Laser and Particle Beams, 2024, 36(2): 025007

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    Paper Information

    Category:

    Received: Sep. 18, 2023

    Accepted: Oct. 18, 2023

    Published Online: Mar. 21, 2024

    The Author Email: Jiaxun Teng (tengjiaxun@qq.com), Xiaofeng Sun (sxf@ysu.edu.cn)

    DOI:10.11884/HPLPB202436.230322

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