Evaluation of high frequency solid state switches for pulsed power applications using a 12 kW variable voltage testbed

T. Flack, J. Parson, K. Bittner, B. Driver, N. Zameroski, S. Bayne, C. Hettler

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Field Effect Transistor (FET) controlled devices, such as MOSFETs and IGBTs, exhibit several desirable characteristics over other solid-state devices for pulsed power applications; benefits include high frequency switching, voltage control, and compact control circuitry. This paper details a testbed used for evaluation of the switching performance and characterization of FET controlled devices used in pulsed power systems as well as the diagnostics used to characterize the devices under test (DuT). The testbed presented in this research operates in two modes: (1) High energy pulsed mode, with charge voltages up to 300 V, pulse width of 3 seconds and up to 18 kJ total stored energy (2) Continuous pulse-train mode, with charge voltage up to 300 V, up to 18 kJ total stored energy and average current output up to 40 A. Both of these modes utilize a 396 mF capacitor bank to store energy. A fast, custom, gigabyte-memory-depth data acquisition oscilloscope records voltage and current waveforms at a 60 Mega-Sample/second rate. Due to the frequency regime (1-50 kHz), high current levels (up to 300 A peak) and wide voltage range of these experiments, making these measurements, reliably, is a non-trivial effort. Several methods of making each measurement were examined. Calibrated voltage, current, energy, and power waveforms quantify the DuT's turn-on / conduction / turn-off characteristics. Measurements of interest in these experiments are device current and device voltage; energy dissipated in the DuT is determined from these measurements.

Original languageEnglish
Title of host publication2017 IEEE 21st International Conference on Pulsed Power, PPC 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9781509057481
DOIs
StatePublished - Feb 13 2018
Event21st IEEE International Conference on Pulsed Power, PPC 2017 - Brighton, United Kingdom
Duration: Jun 18 2017Jun 22 2017

Publication series

NameIEEE International Pulsed Power Conference
Volume2017-June
ISSN (Print)2158-4915
ISSN (Electronic)2158-4923

Conference

Conference21st IEEE International Conference on Pulsed Power, PPC 2017
CountryUnited Kingdom
CityBrighton
Period06/18/1706/22/17

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