Abstract
The behavior of 138 kV nonceramic line
post insulators is investigated by means of clean fog
tests conducted before and after aging in a specially
designed accelerated aging chamber. The laboratory
aging cycles are justified on the basis of actual
veather in the coastal regions of Florida. Analytical
measurements quantifying the degree of artificial
aging are discussed and comparisons of' artificial
aging vith service experience are presented. Observations
of audible noise and radio influence voltage
during the clean fog tests are reported.
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