Concept for the intrinsic dielectric strength of electrical insulation materials

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Description

A concept is described for a possible definition of the intrinsic dielectric strength of insulating materials, which can be considered as a fundamental material property similar to other material properties, such as Young's modulus, index of refraction, and expansion coefficients. The events leading to the recognition of this property are reported, and the property is defined. This intrinsic dielectric strength concept should facilitate interpretation of results from accelerated and/or natural aging programs intended to predict electrical insulation service life of encapsulants in photovoltaic modules. As a practical application, this new concept enabled a possible explanation of the cause of failures ... continued below

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Pages: 47

Creation Information

Cuddihy, E.F. April 15, 1985.

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Description

A concept is described for a possible definition of the intrinsic dielectric strength of insulating materials, which can be considered as a fundamental material property similar to other material properties, such as Young's modulus, index of refraction, and expansion coefficients. The events leading to the recognition of this property are reported, and the property is defined. This intrinsic dielectric strength concept should facilitate interpretation of results from accelerated and/or natural aging programs intended to predict electrical insulation service life of encapsulants in photovoltaic modules. As a practical application, this new concept enabled a possible explanation of the cause of failures in buried high-voltage cables with polyethylene insulation, and a possible explanation of the causes of electrical trees in polyethylene; these also are described.

Physical Description

Pages: 47

Notes

NTIS, PC A03/MF A01.

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  • Other: DE85014497
  • Report No.: DOE/JPL/1012-105
  • Report No.: JPL-PUB-85-30
  • Grant Number: AI01-76ET20356
  • DOI: 10.2172/5633930 | External Link
  • Office of Scientific & Technical Information Report Number: 5633930
  • Archival Resource Key: ark:/67531/metadc1093859

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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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Creation Date

  • April 15, 1985

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

Description Last Updated

  • Feb. 21, 2018, 2:22 p.m.

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Cuddihy, E.F. Concept for the intrinsic dielectric strength of electrical insulation materials, report, April 15, 1985; United States. (digital.library.unt.edu/ark:/67531/metadc1093859/: accessed October 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.