Pulse magnetic properties measurement of Fe-based nanocrystalline cores and its application in magnetic switches

Jiang Jinbo; Cheng Tingqiang; Huang Guoliang; Wang Jiadong; Cai Wanchen; Yao Yandong

doi:10.11884/HPLPB202335.220304

Volume 35 Issue 5

Apr. 2023

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Article Navigation > High Power Laser and Particle Beams > 2023 > 35(5): 055004

Jiang Jinbo, Cheng Tingqiang, Huang Guoliang, et al. Pulse magnetic properties measurement of Fe-based nanocrystalline cores and its application in magnetic switches[J]. High Power Laser and Particle Beams, 2023, 35: 055004. doi: 10.11884/HPLPB202335.220304

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Jiang Jinbo, Cheng Tingqiang, Huang Guoliang, et al. Pulse magnetic properties measurement of Fe-based nanocrystalline cores and its application in magnetic switches[J]. High Power Laser and Particle Beams, 2023, 35: 055004. doi: 10.11884/HPLPB202335.220304

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Pulse magnetic properties measurement of Fe-based nanocrystalline cores and its application in magnetic switches

doi: 10.11884/HPLPB202335.220304

1.
Hubei Provincial Engineering Research Center for Power Transmission Line (China Three Gorges University), Yichang 443002, China
2.
College of Engineering and New Energy, China Three Gorges University, Yichang 443002, China
3.
State Grid Jiaxing Power Supply Company, Jiaxing 314033, China

Received Date: 2022-09-27
Accepted Date: 2023-01-09
Rev Recd Date: 2023-01-09

Available Online: 2023-02-04

Publish Date: 2023-04-07

Abstract

Abstract

The magnetic switch is one of the switching devices with excellent performance that can be selected for the repetitive frequency pulse power system. At present, the simulation model of the magnetic switch is a pure circuit model established based on the macroscopic characteristics of the volt-second integral, without considering the change of the magnetic core characteristics during the core saturation process, it is difficult to accurately predict the pre-pulse on the magnetic switch load, and the front error of the waveform is also larger. In this paper, the hysteresis loop and initial magnetization curve of the Fe-based nanocrystalline magnetic core under fast pulse excitation are tested and obtained. Using the key parameters of the magnetic core hysteresis loop, the J-A parameter of the magnetic core under pulse excitation is extracted, which is used to define Magnetic core properties for a magnetic switch model in multi-physics field. For the magnetic switch pulse compression circuit, the field-circuit coupling simulation model was established by using the multi-physics simulation software COMSOL, and the output waveform was simulated. Compared with the experimental results, the pre-pulse amplitude error is 2%, the peak error is 2%, and the front error is 5%, which proves the validity and accuracy of the established field-circuit coupling simulation model.
- pulsed power technology,
- Fe-based nanocrystalline,
- pulse magnetization curve,
- magnetic pulse compression,
- field-circuit coupling method

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References

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