Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 92, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/5.0043810
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Funding
- Laboratory Directed Research and Development program at Sandia National Laboratories
- Honeywell International, Inc.
- U.S. Department of Energy's National Nuclear Security Administration [DE-NA0003525]
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The inductively driven transmission line (IDTL) plays a crucial role in the Z Pulsed Power Facility, allowing pulsed power diagnostics to be driven in parallel with the primary load and absorbing over 150kA of secondary current. Additionally, IDTLs are capable of making cleaner, higher-fidelity current measurements.
The inductively driven transmission line (IDTL) is a miniature current-carrying device that passively couples to fringe magnetic fields in the final power feed on the Z Pulsed Power Facility. The IDTL redirects a small amount of Z's magnetic energy along a secondary path to ground, thereby enabling pulsed power diagnostics to be driven in parallel with the primary load for the first time. IDTL experiments and modeling presented here indicate that IDTLs operate non-perturbatively on Z and that they can draw in excess of 150 kA of secondary current, which is enough to drive an X-pinch backlighter. Additional experiments show that IDTLs are also capable of making cleaner, higher-fidelity measurements of the current flowing in the final feed.
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