Thyratron replacement for the spallation neutron source linac extraction kicker PFN system

R. Saethre, B. Morris, H. Sanders

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

7 Scopus citations

Abstract

The Spallation Neutron Source (SNS) extraction kicker system is a high power 60 hertz pulsed power system. [1] The system consists of fourteen identical modulators, each driving a magnet to extract a proton beam from the accumulator ring through the beam transfer line to the target. Each modulator is a Blumlein Pulse Forming Network (PFN) with a fast high current switching thyratron and low inductance capacitor banks. The thyratron switches have relatively short life times, high replacement cost, long lead-Time and require routine adjustments to maintain low timing jitter and drift. [2] A solid-state thyristor based high voltage switch has been developed as a direct replacement for the thyratron. [3] This paper describes the configuration, test stand and production kicker performance of the thyristor and PFN. In addition, the development of a magnetic switch to decrease magnet current rise time is discussed.

Original languageEnglish
Title of host publication2015 IEEE Pulsed Power Conference, PPC 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479984039
DOIs
StatePublished - Oct 12 2015
Externally publishedYes
EventIEEE Pulsed Power Conference, PPC 2015 - Austin, United States
Duration: May 31 2015Jun 4 2015

Publication series

NameDigest of Technical Papers-IEEE International Pulsed Power Conference
Volume2015-October

Conference

ConferenceIEEE Pulsed Power Conference, PPC 2015
Country/TerritoryUnited States
CityAustin
Period05/31/1506/4/15

Keywords

  • Delays
  • Electron tubes
  • Jitter
  • Rectifiers
  • Saturation magnetization
  • Switches
  • Thyristors

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