Performance of the Hermes-III pulse forming lines

Conference · Sat Dec 31 23:00:00 EST 1988

DOI:https://doi.org/10.1109/PPC.1989.767551· OSTI ID:6216539

Alexander, J. A.; Corley, J. P.; Johnson, D. L.; Denison, G. J.; Hodge, K.; Pankuch, P.; Ramirez, J. J.

Hermes III is a new 20-MV, 730-kA, 40-ns pulsed power accelerator. In Hermes III, eighty pulse forming lines (PFLs) generate 1.1-MV, 220-kA pulses, which are then added in a series/parallel configuration to produce the desired output pulse. Under normal Hermes-III operation, the PFLs produce a /approximately/40-ns FWHM pulse with a /approximately/15-ns, 10-90% rise time, and a one-sigma jitter of /approximately/4 ns. The Hermes-III water-dielectric PFLs have undergone 18 months of testing. During this period, over 59,000 PFL-shots have been accumulated, most of these at or near peak power. The PFLs have met design specifications, and they have proven to be highly reliable. This paper presents a brief overview of the PFL design, together with a detailed discussion of the system performance and limitations during the extensive testing period. A modification to the PFLs to produce a ramped output pulse was designed and tested. Results indicate that a ramped output pulse can be produced using a stepped impedance PFL. 8 refs., 12 figs.

• Research Organization: Sandia National Labs., Albuquerque, NM (USA)
• DOE Contract Number: AC04-76DP00789
• OSTI ID: 6216539
• Report Number(s): SAND-89-0069C; CONF-890665-9; ON: DE89013075
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
430100* -- Particle Accelerators-- Design
Development
& Operation
ACCELERATORS
CAPACITORS
ELECTRICAL EQUIPMENT
ELECTRONIC EQUIPMENT
EQUIPMENT
MAGNETIC SHIELDING
MARX GENERATORS
OPERATION
PARTICLE BEAM FUSION ACCELERATOR
PERFORMANCE
POWER SUPPLIES
PULSE TECHNIQUES
SHIELDING