SNS proton power upgrade requirements for magnet and kicker systems

R. B. Saethre; M. A. Plum

doi:10.1109/PPC.2017.8291208

SNS proton power upgrade requirements for magnet and kicker systems

R. B. Saethre, M. A. Plum

Neutron Technologies Division

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2 Scopus citations

Abstract

The Spallation Neutron Source (SNS) Proton Power Upgrade (PPU) will double the beam power from 1.4 to 2.8 MW by adding cavities in the superconducting linear accelerator (SCL) which will increase the beam energy from 0.97 to 1.3 GeV and by increasing the average linac beam current from 26 to 38 mA. Provisions for an accelerator power increase were made in the original SNS project, and these are being leveraged to provide a cost-effective means of doubling the beam power. The magnet systems were originally designed for the higher beam energies except for a few in the injection and extraction regions of the accumulator ring. Three injection region magnets will be redesigned. The eight injection-bump kicker power supplies will be upgraded to permit higher current operation and two additional extraction kicker power supplies and magnets will be added. This paper will review the requirements and options for the magnets and power supplies for the injection and extraction regions.

Original language	English
Title of host publication	2017 IEEE 21st International Conference on Pulsed Power, PPC 2017
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Print)	9781509057481
DOIs	https://doi.org/10.1109/PPC.2017.8291208
State	Published - Jul 2 2017
Event	21st IEEE International Conference on Pulsed Power, PPC 2017 - Brighton, United Kingdom Duration: Jun 18 2017 → Jun 22 2017

Publication series

Name	IEEE International Pulsed Power Conference
Volume	2017-June
ISSN (Print)	2158-4915
ISSN (Electronic)	2158-4923

Conference

Conference	21st IEEE International Conference on Pulsed Power, PPC 2017
Country/Territory	United Kingdom
City	Brighton
Period	06/18/17 → 06/22/17

Funding

While the magnet power supplies can supply the required currents, there are ten supplies that will have low (<20%) margin. Fig. 2 is a chart of the magnets that will exceed 80% of their current (blue) or voltage (red) rating when operating at the projected PPU level. The ten magnet power supplies identified will be analyzed to determine which ?This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan). ?email: [email protected] components are at risk of failure due to the reduced design margin.

Funders	Funder number
U.S. Department of Energy

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10.1109/PPC.2017.8291208

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title = "SNS proton power upgrade requirements for magnet and kicker systems",

abstract = "The Spallation Neutron Source (SNS) Proton Power Upgrade (PPU) will double the beam power from 1.4 to 2.8 MW by adding cavities in the superconducting linear accelerator (SCL) which will increase the beam energy from 0.97 to 1.3 GeV and by increasing the average linac beam current from 26 to 38 mA. Provisions for an accelerator power increase were made in the original SNS project, and these are being leveraged to provide a cost-effective means of doubling the beam power. The magnet systems were originally designed for the higher beam energies except for a few in the injection and extraction regions of the accumulator ring. Three injection region magnets will be redesigned. The eight injection-bump kicker power supplies will be upgraded to permit higher current operation and two additional extraction kicker power supplies and magnets will be added. This paper will review the requirements and options for the magnets and power supplies for the injection and extraction regions.",

author = "Saethre, {R. B.} and Plum, {M. A.}",

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year = "2017",

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day = "2",

doi = "10.1109/PPC.2017.8291208",

language = "English",

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Saethre, RB & Plum, MA 2017, SNS proton power upgrade requirements for magnet and kicker systems. in 2017 IEEE 21st International Conference on Pulsed Power, PPC 2017., 8291208, IEEE International Pulsed Power Conference, vol. 2017-June, Institute of Electrical and Electronics Engineers Inc., 21st IEEE International Conference on Pulsed Power, PPC 2017, Brighton, United Kingdom, 06/18/17. https://doi.org/10.1109/PPC.2017.8291208

SNS proton power upgrade requirements for magnet and kicker systems. / Saethre, R. B.; Plum, M. A.
2017 IEEE 21st International Conference on Pulsed Power, PPC 2017. Institute of Electrical and Electronics Engineers Inc., 2017. 8291208 (IEEE International Pulsed Power Conference; Vol. 2017-June).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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SNS proton power upgrade requirements for magnet and kicker systems

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