Design and application of corona and grading rings for composite insulators

The addition of a corona ring to a polymer insulator will improve the insulators performance, but it must be the right ring used for the right reasons to realize the benefits. A corona ring should not be a quick fix to a problem; it may only mask a bigger concern or delay the inevitable. Selection o...

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Bibliographic Details
Main Author: Niedospial, E.
Format: Conference Proceeding
Language:English
Subjects:
Corona
Fitting
Hardware
Insulators
Packaging
Poles and towers
Polymers
Online Access:Request full text
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Description
Summary:The addition of a corona ring to a polymer insulator will improve the insulators performance, but it must be the right ring used for the right reasons to realize the benefits. A corona ring should not be a quick fix to a problem; it may only mask a bigger concern or delay the inevitable. Selection of a corona ring is as critical a decision as picking the appropriate dry arc, leakage, or mechanical rating for the insulator. Beyond selecting the appropriate size ring for a specific voltage, other critical characteristics include attachment type, mating feature, hot stick-able design, ordering, and packaging.
ISSN:2160-8555
2160-8563
DOI:10.1109/TDC.2012.6281712