Investigation of a 0.1 Hz 800 kA LTD stage

Liang Chuan; Zhou Lin; Sun Fengju; Zeng Jiangtao; Li Mingjia; Wang Zhen

doi:10.11884/HPLPB201628.015005

Volume 28 Issue 01

Jan. 2016

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Article Navigation > High Power Laser and Particle Beams > 2016 > 28(01): 015005

Zhang Xue, Xu Qiang, Wang Yong, et al. Multipactor phenomenon of high-power pill-box window[J]. High Power Laser and Particle Beams, 2016, 28: 023004. doi: 10.11884/HPLPB201628.023004

Citation:

Liang Chuan, Zhou Lin, Sun Fengju, et al. Investigation of a 0.1 Hz 800 kA LTD stage[J]. High Power Laser and Particle Beams, 2016, 28: 015005. doi: 10.11884/HPLPB201628.015005

Zhang Xue, Xu Qiang, Wang Yong, et al. Multipactor phenomenon of high-power pill-box window[J]. High Power Laser and Particle Beams, 2016, 28: 023004. doi: 10.11884/HPLPB201628.023004

Citation:

Liang Chuan, Zhou Lin, Sun Fengju, et al. Investigation of a 0.1 Hz 800 kA LTD stage[J]. High Power Laser and Particle Beams, 2016, 28: 015005. doi: 10.11884/HPLPB201628.015005

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Investigation of a 0.1 Hz 800 kA LTD stage

doi: 10.11884/HPLPB201628.015005

1.
Institute of Nuclear Physics and Chemistry,CAEP,Mianyang 621900,China;
2.
Northwest Institute of Nuclear Technology,Xi’an 710024,China

Received Date: 2015-09-04
Rev Recd Date: 2015-10-28
Publish Date: 2016-01-04

Abstract

Abstract

A 0.1 Hz, 800 kA LTD stage for the Z-pinch driven fusion-fission hybrid reactor (Z-FFR) has been developed. The stage consists of 34 bricks, which are coupled through 4 matglas magnetic cores. Each brick has two 40 nF/100 kV capacitors and a gas switch of 4 gaps in series, and the loop inductance is 272 nH. The LTD stage can deliver about 800 kA current pulse with a rise time of 100 ns into the matched liquid resistive load with a repetitive frequency of 0.1 Hz. A novel trigger way that only one trigger cable triggers the stage via a continuous trigger bus internal to the stage has been proposed and demonstrated. The experimental results show that the new trigger way is feasible and reliable. A 140 kV, 25 ns rising time trigger pulse and a 5.2 kA, 30 s width pre-magnetization current pulse which can operate with a rep-rate of 0.1 Hz were used in this stage to insure the LTD stage generate a 80 kV/800 kA current pulse every 10 s. A multi-stage gas switch that has a lifetime in excess of 10000 shots and a jitter of less than 3 ns one sigma agrees well with the demand of Z-FFR.
- linear transformer driver,
- novel trigger way,
- multi-stage gas switch,
- repetition rate,
- high current pulse

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