Insulations and Jackets for Control and Power Cables in Thermal Reactor Nuclear Generating Stations

The permanent change in the physical strengths, rate of oxidation, dielectric loss, and electrical stability in 40-psig (142°C) steam and dielectric strength are reported for 13 elastomer-based insulation-jacket combinations after irradiation up to 108 rad in air at 5 ×105 rad/h from a cobalt 60 sou...

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Bibliographic Details
Published in:IEEE transactions on power apparatus and systems 1969-01, Vol.PAS-88 (5), p.529-541
Main Authors: Blodgett, Robert B., Fisher, Robert G.
Format: Article
Language:English
Subjects:
Cable insulation
Dielectric breakdown
Dielectric losses
Dielectrics and electrical insulation
Inductors
Nuclear power generation
Oxidation
Power cables
Power generation
Stability
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Description
Summary:The permanent change in the physical strengths, rate of oxidation, dielectric loss, and electrical stability in 40-psig (142°C) steam and dielectric strength are reported for 13 elastomer-based insulation-jacket combinations after irradiation up to 108 rad in air at 5 ×105 rad/h from a cobalt 60 source. Threshold of damage for each property, overall threshold of damage, and highest dose rate still serviceable for the combinations are summarized. On the basis of these date, suggestions are made for IEEE nuclear environment classification of cable coverings rate for continuous 90°C and higher.
ISSN:0018-9510
2995-6323
DOI:10.1109/TPAS.1969.292321