Electrical breakdown studies with Mycalex insulators

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Description

Insulating materials such as alumina and glass-bonded mica (Mycalex) are used in accelerator systems for high voltage feedthroughs, structural supports, and barriers between high voltage insulating oil and the vacuum beam pipe in induction accelerator cells. Electric fields in the triple points should be minimized to prevent voltage breakdown. Mechanical stress can compromise seals and result in oil contamination of the insulator surface. We have tested various insulator cleaning procedures including ultrasonic cleaning with a variety of aqueous-based detergents, and manual scrubbing with various detergents. Water sheeting tests were used to determine the initial results of the cleaning methods. Ultimately, ... continued below

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3 pages

Creation Information

Waldron, W.; Greenway, W.; Eylon, S.; Henestroza, E. & Yu, S. May 1, 2003.

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Description

Insulating materials such as alumina and glass-bonded mica (Mycalex) are used in accelerator systems for high voltage feedthroughs, structural supports, and barriers between high voltage insulating oil and the vacuum beam pipe in induction accelerator cells. Electric fields in the triple points should be minimized to prevent voltage breakdown. Mechanical stress can compromise seals and result in oil contamination of the insulator surface. We have tested various insulator cleaning procedures including ultrasonic cleaning with a variety of aqueous-based detergents, and manual scrubbing with various detergents. Water sheeting tests were used to determine the initial results of the cleaning methods. Ultimately, voltage breakdown tests will be used to quantify the benefits of these cleaning procedures.

Physical Description

3 pages

Notes

INIS; OSTI as DE00813394

Source

  • Particle Accelerator Conference PAC 03, Portland, OR (US), 05/12/2003--05/16/2003

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  • Report No.: LBNL--53075
  • Report No.: HIFAN 1234
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 813394
  • Archival Resource Key: ark:/67531/metadc734566

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Creation Date

  • May 1, 2003

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

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  • April 4, 2016, 12:49 p.m.

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Waldron, W.; Greenway, W.; Eylon, S.; Henestroza, E. & Yu, S. Electrical breakdown studies with Mycalex insulators, article, May 1, 2003; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc734566/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.