Control system of Dragon-Ⅲ linear induction accelerator's high stability constant current source

Zhao Juan; Cao Ningxiang; Huang Bin; Li Bo; Zhang Xin; Huang Yupeng; Li Hongtao

doi:10.11884/HPLPB201931.190061

Volume 31 Issue 4

Apr. 2019

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Zhao Juan, Cao Ningxiang, Huang Bin, et al. Control system of Dragon-Ⅲ linear induction accelerator's high stability constant current source[J]. High Power Laser and Particle Beams, 2019, 31: 040015. doi: 10.11884/HPLPB201931.190061

Citation:

Zhao Juan, Cao Ningxiang, Huang Bin, et al. Control system of Dragon-Ⅲ linear induction accelerator's high stability constant current source[J]. High Power Laser and Particle Beams, 2019, 31: 040015. doi: 10.11884/HPLPB201931.190061

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Control system of Dragon-Ⅲ linear induction accelerator's high stability constant current source

doi: 10.11884/HPLPB201931.190061

Institute of Fluid Physics, CAEP, P.O.Box 919-113, Mianyang 621900, China

Received Date: 2019-01-22
Rev Recd Date: 2019-03-12
Publish Date: 2019-04-15

Abstract

Abstract

The high power constant current source is one of the key equipments of the high current linear induction accelerator (LIA) which outputs high power direct current to power the inductor. The requirement of the parameters such as instability, ripple coefficient is very strict. The serial linear dual-loop dual-parameters feedback control technical was applied in the design of the constant current source of Dragon-Ⅲ LIA to adjust the output current. In this device, the local control system based on the PLC controller, the remote control system based on the ARM controller and computer, and the communication system based on the Ethernet were comprehensively applied in the design of the control system, which made its stability very high as it operated under remote control model in high electromagnetic interference circumstance. As the resistance of the load change among 0.5-0.6 Ω and the current change among 50-170 A, the voltage drop of the transistor was restricted at 8 V±2 V, and the ripple coefficient and the drift of the current were less than 0.5‰.
- constant current source,
- dual parameters sample,
- dual loop feedback control,
- linear modulation,
- remote control

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References(11)

References

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