Progress on PEP-II Magnet Power Conversion System?

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The various power systems for supplying the PEP-II DCmagnets rely exclusively on switch mode conversion, utilizing a varietyof means depending on the requirements. All of the larger power supplies,ranging from 10 to 200 kW, are powered from DC sources utilizingrectified 480 V AC. Choppers can be used for the series connectedstrings, but for smaller groups and individual magnets, inverters drivinghigh-frequency transformers with secondary rectifiers comprise the bestapproach. All of the various systems use a "building block" approach ofmultiple standard-size units connected in series or parallel to mostcost-effectively deal with a great range of voltage and currentrequirements. Utilization of existing infrastructure ... continued below

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Bellomo, P.; Genova, L.; Jackson, T. & Shimer, D. June 1, 1996.

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Description

The various power systems for supplying the PEP-II DCmagnets rely exclusively on switch mode conversion, utilizing a varietyof means depending on the requirements. All of the larger power supplies,ranging from 10 to 200 kW, are powered from DC sources utilizingrectified 480 V AC. Choppers can be used for the series connectedstrings, but for smaller groups and individual magnets, inverters drivinghigh-frequency transformers with secondary rectifiers comprise the bestapproach. All of the various systems use a "building block" approach ofmultiple standard-size units connected in series or parallel to mostcost-effectively deal with a great range of voltage and currentrequirements. Utilization of existing infrastructure from PEP-I has beena cost-effective determinant. Equipment is being purchased eitheroff-the-shelf, through performance specification, or by hardware purchasebased on design-through-prototype. The corrector magnet power system,utilizing inexpensive, off-the-shelf four-quadrant switching motorcontrollers, has already proven very reliable: 120 of the total of 900units have been running on the injection system for four months with nofailures.

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  • 1996 European Particle Accelerator Conference,Sitges, Spain, June 10-14, 1996

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  • Report No.: LBNL--39122
  • Report No.: unknown
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 924774
  • Archival Resource Key: ark:/67531/metadc895641

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • June 1, 1996

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  • Sept. 27, 2016, 1:39 a.m.

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Bellomo, P.; Genova, L.; Jackson, T. & Shimer, D. Progress on PEP-II Magnet Power Conversion System?, article, June 1, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc895641/: accessed June 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.