A 216 cables synchronization trigger for linear transformer driver

Zhao, Yue; Lin, Changxing; Zhou, Lei

doi:10.1109/ipmhvc.2014.7287208

Cited by 1 publication

(1 citation statement)

References 22 publications

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“…Descriptions of other LTD trigger configurations are given in Refs. [16,28,31,34,36,37,42,[46][47][48][49], all of which, with the exception of Zhou et al, use aqueous resistors in their trigger circuits for switch-to-switch isolation and circuit protection. An example of this circuit including typical component values is shown in Fig.…”

Section: B Trigger Circuitmentioning

confidence: 99%

100 GW linear transformer driver cavity: Design, simulations, and performance

Douglass¹,

Hutsel²,

Leckbee³

et al. 2018

Phys. Rev. Accel. Beams

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Herein we present details of the design, simulation, and performance of a 100-GW linear transformer driver (LTD) cavity at Sandia National Laboratories. The cavity consists of 20 "bricks." Each brick is comprised of two 80 nF, 100 kV capacitors connected electrically in series with a custom, 200 kV, threeelectrode, field-distortion gas switch. The brick capacitors are bipolar charged to AE100 kV for a total switch voltage of 200 kV. Typical brick circuit parameters are 40 nF capacitance (two 80 nF capacitors in series) and 160 nH inductance. The switch electrodes are fabricated from a WCu alloy and are operated with breathable air. Over the course of 6,556 shots the cavity generated a peak electrical current and power of 1.03 MA (AE1.8%) and 106 GW (AE3.1%). Experimental results are consistent (to within uncertainties) with circuit simulations for normal operation, and expected failure modes including prefire and latefire events. New features of this development that are reported here in detail include: (1) 100 ns, 1 MA, 100-GW output from a 2.2 m diameter LTD into a 0.1 Ω load, (2) high-impedance solid charging resistors that are optimized for this application, and (3) evaluation of maintenance-free trigger circuits using capacitive coupling and inductive isolation.

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