2017 IEEE Pulsed Power Conference

Session

Oral session 6 - Pulsed Power Diagnostics - Session Chair : Laurent Pecastaing / Laurent Véron

6

19 Jun 2017, 15:00

Hilton Brighton Metropole Hotel

216. Development of a 0.6 MV ultra-compact magnetic core pulsed transformer for high power applications

Laurent PECASTAING (Université de Pau et des Pays de l’Adour, France)

19/06/2017, 15:00

Pulsed Power Physics and Technology, Components and HV Insulation

Oral

The generation of high-power electromagnetic waves is one of the major applications in the field of high-intensity pulsed power. The conventional structure of a pulsed power generator contains a primary energy source and a load, separated by a power-amplification system. The latter performs a time-compression of the slow input energy pulse and delivers a high-intensity power output to the...

53. Theoretical and Experimental Studies of Off-the-Shelf V-dot Sensors

Peter Senior (Loughborough University)

19/06/2017, 15:30

Pulsed Power Physics and Technology, Components and HV Insulation

Oral

Initially this paper will outline a theoretical study, using commercially available software CST, into the use of off-the-shelf V-dot sensors made from N and SMA type adaptors and connectors. A complex issue arising from the distortion of the signal measured within a pulse forming line when the sensor is mounted close to a spark gap will be clarified.

Other issues relating to calibration of...

241. PUSHING DIELECTRICS TO THE LIMIT - SELF-HEALING METALIZED FILM CAPACITORS FOR HIGH ENERGY DENSITY

Joel Ennis (NWL)

19/06/2017, 15:45

Pulsed Power Physics and Technology, Components and HV Insulation

Oral

Abstract

Capacitors for pulse power applications have been custom-designed to maximize specific energy while operating with specific circuit requirements such as charge voltage, peak current, voltage reversal, series inductance and resistance, charge time, hold time at peak voltage, and pulse repetition rate. In addition, these capacitor designs had to meet application-specific constraints...

235. Evaluation of the Impact of Drive Impedance on the Performance of Spark Gap Switches

Mr Joshua Leckbee (Sandia National Laboratories)

19/06/2017, 16:15

Pulsed Power Physics and Technology, Components and HV Insulation

Oral

Spark gap switch resistance and inductance are important parameters in pulsed power systems. However, the variation of switch resistance can be a difficult parameter to measure in very high voltage environments where the arc resistance is a small fraction of the total impedance. To improve our ability to model spark gap switches, we built a coaxial geometry system and tested switches with a...

9. Characterization of Individual Pulsed Power Modules on the Saturn Accelerator

Mr Nathan Joseph (Sandia National Laboratories)

19/06/2017, 16:30

Pulsed Power Physics and Technology, Components and HV Insulation

Oral

In 2014 the Saturn accelerator located at Sandia National Laboratories was brought back online after nearly a year of inactivity. The Saturn accelerator is made up of 36 individual pulsed power lines which consist of a 2.7-MV Marx generator, intermediate storage capacitor, 3-MV rim fire gas switch, pulse forming and transmission line. Each component has an individual diagnostic that measures...

75. Cygnus Precision Dosimetry – Calibration and Measurements

Mr Eugene Ormond (Sandia National Laboratories)

19/06/2017, 17:00

Pulsed Power Physics and Technology, Components and HV Insulation

Oral

The Cygnus Dual Beam Radiographic Facility consists of two identical radiographic sources each with a dose rating of 4-rad at 1 m, and a 1-mm diameter spot size. The development of the rod pinch diode was responsible for the ability to meet these criteria¹. The rod pinch diode in a Cygnus machine uses a 0.75-mm diameter, tapered tip, tungsten anode rod extended through a 9-mm diameter,...

145. First Test of an Aerogel Cherenkov Detector for Characterizing the Cygnus X-ray Source

Mandie Gehring (Los Alamos National Laboratory)

19/06/2017, 17:15

Pulsed Power Physics and Technology, Components and HV Insulation

Oral

A dual-module Aerogel Cherenkov Detector for Cygnus (ACD/C) was used to measure the X-ray energy spectrum from Cygnus – an intense flash X-ray source operated at the Nevada National Security Site. The ACD/C employs an array of SiO2 aerogels & solids (i.e., quartz) at different densities (50 – 2500 mg/cc) and hence varying Cherenkov energy thresholds (2.8 MeV X-ray energy for aerogel with 50...