SLAC Next-Generation High Availability Power Supply

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Description

SLAC recently commissioned forty high availability (HA) magnet power supplies for Japan's ATF2 project. SLAC is now developing a next-generation N+1 modular power supply with even better availability and versatility. The goal is to have unipolar and bipolar output capability. It has novel topology and components to achieve very low output voltage to drive superconducting magnets. A redundant, embedded, digital controller in each module provides increased bandwidth for use in beam-based alignment, and orbit correction systems. The controllers have independent inputs for connection to two external control nodes. Under fault conditions, they sense failures and isolate the modules. Power supply ... continued below

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4 pages

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Bellomo, P.; MacNair, D.; /SLAC & , June 11, 2010.

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SLAC recently commissioned forty high availability (HA) magnet power supplies for Japan's ATF2 project. SLAC is now developing a next-generation N+1 modular power supply with even better availability and versatility. The goal is to have unipolar and bipolar output capability. It has novel topology and components to achieve very low output voltage to drive superconducting magnets. A redundant, embedded, digital controller in each module provides increased bandwidth for use in beam-based alignment, and orbit correction systems. The controllers have independent inputs for connection to two external control nodes. Under fault conditions, they sense failures and isolate the modules. Power supply speed mitigates the effects of fault transients and obviates subsequent magnet standardization. Hot swap capability promises higher availability and other exciting benefits for future, more complex, accelerators, and eventually the International Linear Collider project.

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4 pages

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  • Invited talk at 2nd Accelerator Reliability Workshop (ARW), Vancouver, BC, Canada, 26-30 Jan 2009

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  • Report No.: SLAC-PUB-13503
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 981680
  • Archival Resource Key: ark:/67531/metadc1012856

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Office of Scientific & Technical Information Technical Reports

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  • June 11, 2010

Added to The UNT Digital Library

  • Oct. 14, 2017, 8:36 a.m.

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  • Nov. 3, 2017, 1:49 p.m.

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Bellomo, P.; MacNair, D.; /SLAC & ,. SLAC Next-Generation High Availability Power Supply, article, June 11, 2010; [California]. (digital.library.unt.edu/ark:/67531/metadc1012856/: accessed December 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.