Thermal stability of a defect-tolerant dielectric

This paper investigates the power frequency, highly inhomogeneous field properties of a dielectric for which the conductivity is an exponential function of the electric field. Oil-paper constitutes the best known example of such a system. Based on solutions to Poisson's equation with field-depe...

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Bibliographic Details
Published inIEEE transactions on power delivery Vol. 9; no. 3; pp. 1459 - 1465
Main Author Boggs, S.A.
Format Journal Article Conference Proceeding
LanguageEnglish
Published New York, NY IEEE 01.07.1994
Institute of Electrical and Electronics Engineers
Subjects
240100 - Power Systems- (1990-)
Applied sciences
DEFECTS
Dielectric losses
DIELECTRIC MATERIALS
ELECTRIC FIELDS
Electrical engineering. Electrical power engineering
ELECTRICAL PROPERTIES
Electrodes
ENERGY LOSSES
Exact sciences and technology
LOSSES
MATERIALS
Materials science and technology
PHYSICAL PROPERTIES
Poisson equations
POWER LOSSES
POWER TRANSMISSION AND DISTRIBUTION
Solids
STABILITY
Stress
Thermal conductivity
Thermal engineering
Thermal stability
Voltage
Geometrical shape
Electric field
Electrical conductivity
Coaxial configuration
Dielectric materials
Defect
Algorithm
Ellipsoid
Computing method
Thermal stability
Electrical characteristic
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Summary:This paper investigates the power frequency, highly inhomogeneous field properties of a dielectric for which the conductivity is an exponential function of the electric field. Oil-paper constitutes the best known example of such a system. Based on solutions to Poisson's equation with field-dependent conductivity and time-dependent voltage, the paper concludes that such a dielectric could be defect-tolerant (electrically and thermally stable in spite of a defect) for reasonable defects geometries.< >
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0885-8977
1937-4208
DOI:10.1109/61.311224