Modular all-solid-state waveform adjustable impulse voltage apparatus

Wang Yonggang; Tao Zhengqiang; Wang Qi; Gao Yifan; Jiang Song; Li Zi; Li Luxia

doi:10.11884/HPLPB202537.250021

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Article Navigation > High Power Laser and Particle Beams > 2025 > Accepted Manuscript

Wang Yonggang, Tao Zhengqiang, Wang Qi, et al. Modular all-solid-state waveform adjustable impulse voltage apparatus[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202537.250021

Citation:

Wang Yonggang, Tao Zhengqiang, Wang Qi, et al. Modular all-solid-state waveform adjustable impulse voltage apparatus[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202537.250021

Wang Yonggang, Tao Zhengqiang, Wang Qi, et al. Modular all-solid-state waveform adjustable impulse voltage apparatus[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202537.250021

Citation:

Wang Yonggang, Tao Zhengqiang, Wang Qi, et al. Modular all-solid-state waveform adjustable impulse voltage apparatus[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202537.250021

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Modular all-solid-state waveform adjustable impulse voltage apparatus

doi: 10.11884/HPLPB202537.250021

1.
School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
2.
China Electric Power Research Institute, Wuhan 430070, China
3.
School of Electrical and Electronic Engineering, Huazhong University Science and Technology, Wuhan 430074, China

Received Date: 2025-02-06
Accepted Date: 2025-03-25
Rev Recd Date: 2025-04-09

Available Online: 2025-05-30

Abstract

Abstract

Common power equipment in the factory and maintenance needs lightning impact voltage testing to detect the level of insulation equipment. This paper proposes a miniaturized impulse voltage generator different from the traditional gas ball gap. It adopts a modular multi-stage structure, uses the Marx topology as the main circuit, and uses MOSFET as the main switch. MATLAB is used to fit and modulate lightning impulses or chopped lightning impulses through the nearest-level forced modulation algorithm (NLM). FPGA controls the modular impulse voltage generator to generate impulse voltage waveforms such as charging voltage, wavefront time, wave tail time, and truncation time, which the host computer can flexibly adjust. The test results show that the maximum output voltage of a single impulse voltage module is 24 kV, with a total of 30 stages of voltage output; when 5 impulse voltage modules are operated in series, a maximum of 150 stages of different voltages can be generated, and the peak voltage can reach −100 kV lightning impulses or chopped lightning impulses.
- Marx circuit,
- high-voltage lightning impulse,
- modular structure,
- nearest level forcing algorithm

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References(18)

References

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