A novel design of solid state inductive adder based on LC resonance

Zhai Xinzhe; Chen Jinhui; Wang Guanwen; Wu Guanjian

doi:10.11884/HPLPB202436.240316

Volume 36 Issue 11

Nov. 2024

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Zhai Xinzhe, Chen Jinhui, Wang Guanwen, et al. A novel design of solid state inductive adder based on LC resonance[J]. High Power Laser and Particle Beams, 2024, 36: 115023. doi: 10.11884/HPLPB202436.240316

Citation:

Zhai Xinzhe, Chen Jinhui, Wang Guanwen, et al. A novel design of solid state inductive adder based on LC resonance[J]. High Power Laser and Particle Beams, 2024, 36: 115023. doi: 10.11884/HPLPB202436.240316

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A novel design of solid state inductive adder based on LC resonance

doi: 10.11884/HPLPB202436.240316

Zhai Xinzhe^{1, 2
,},
Chen Jinhui^{1, 2
,
,},
Wang Guanwen¹,
Wu Guanjian¹

1.
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 2024-09-09
Accepted Date: 2024-09-30
Rev Recd Date: 2024-09-30

Available Online: 2024-10-14

Publish Date: 2024-11-01

Abstract

Abstract

To address the issues of low repetition frequency and short lifespan associated with the traditional thyratron half-sine pulse power supply used in accelerators, a new half-sine type inductive adder pulse power supply based on LC resonance was developed. The pulse generation is controlled by two types of switches: IGBTs in the primary side of the transformer serve as the active pulse turn-on switch, while the secondary side high-voltage silicon stack acts as the passive pulse turn-off switch. This design increases the possibility of using high-power IGBT with long turn-off delay in narrow pulse applications. By utilizing the saturation characteristic of the transformer core, the energy of the storage capacitor is self-supplied through reverse resonance in the primary side of the adder, reducing the circuit's charging time and thermal loss. By combining PSpice simulation and circuit experiments, a prototype of a 5-layer stack pulse power supply was developed and tested under different parameters. Experimental results have shown that compared to the traditional thyratron half-sine pulse power supply, this pulse power supply can achieve higher pulse repetition frequency and lower power loss.
- LC resonance,
- half-sine pulse,
- inductive adder,
- high-power IGBT,
- energy recovery

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References(15)

References

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