Voltage and current measurement for multi-level vacuum insulator stack

Wei Bing; Qing Yanling; Wang Meng; Feng Shuping; Ji Ce; Xia Minghe; Fu Zhen; Li Feng

doi:10.11884/HPLPB201426.095002

Volume 26 Issue 09

Aug. 2014

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Article Navigation > High Power Laser and Particle Beams > 2014 > 26(09): 095002

Li Guohui, Xu Honglai, Xiang Rujian, et al. Technology of beam coupling transmission and control between platforms[J]. High Power Laser and Particle Beams, 2021, 33: 081009. doi: 10.11884/HPLPB202133.210028

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Wei Bing, Qing Yanling, Wang Meng, et al. Voltage and current measurement for multi-level vacuum insulator stack[J]. High Power Laser and Particle Beams, 2014, 26: 095002. doi: 10.11884/HPLPB201426.095002

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Voltage and current measurement for multi-level vacuum insulator stack

doi: 10.11884/HPLPB201426.095002

1.
Key Laboratory of Pulsed Power,Institute of Fluid Physics,CAEP,P.O.Box 919-108,Mianyang 621900,China

Received Date: 2014-03-03
Rev Recd Date: 2014-04-10
Publish Date: 2014-08-18

Abstract

Abstract

Differential-output capacitive divider(D-dot probes) and current loops (B-dot probes) were designed and calibrated to derive vacuum insulator stack voltage and current in the PTS facility. Frequency response experiments indicated that the D-dots upper limiting frequency was 270 MHz and B-dots was 100 MHz. All the monitors were calibrated in-situ. The water outside the insulator stack was present to keep the distribution of D-dot probes electric field. The experimental results showed that the voltage and current of insulator stack were reasonable according to theoretical predictions. And the results of measurement and magnetically insulated transmission line(MITL) current were self-consistent. But large variations in the monitor signals which were contributed from asymmetric current distribution azimuthally compromised the accuracy of azimuthal averages calculated from the signals.
- insulator stack,
- voltage pulse,
- current pulse,
- calibration,
- frequency response

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