Article,

MECHANICAL RATING SCHEME FOR POLYMER DISTRIBUTION POST INSULATORS

, , and .
(1988)

Abstract

The objective of this study is to provide Canadian utilities with a means of rapidly evaluating polymer line post insulators and determining their minimum mechanical characteristics in order to establish their equivalence to conventional porcelain insulators. The report covers the following aspects: 1) Experimental data for evaluating the mechanical behavior of insulator core materials 2) Finite-element computations of the stress distribution and determination of prevailing failure modes and preferred failure locations 3) Tests 4) Improvements and rating scheme.

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