Monthly Archives: July 2012
Each year, millions of people and thousands of businesses are impacted by underground cable system failures. IMCORP is dedicated to advancing the understanding of how these failures occur and more importantly, how they can be avoided.
Jul 30 2012
Improper Semicon Cutback On A Cold Shrink Termination
By: IMCORP
The above image, taken at a nuclear power plant, shows a jagged semicon cutback on an open-air cold shrink termination. The cable owner first used Tangent Delta (TD) and Very Low Frequency (VLF) tests believing these were sufficient to assure r... Read ArticleJul 30 2012
Stone in Cable 176m (578ft) from Termination
By: Ben Lanz and Bill Corrente
Posted in: Backfill, Cable, Facility, Generation, Renewable, Solar, Utility, Wind, Workmanship
IMCORP’s Factory Grade® assessment discovered a substandard location while commissioning the cable systems at a generation facility. The client used IMCORP’s Location Matching service to pinpoint the defect location. N... Read ArticleJul 23 2012
PD Activity in a Y Joint at a Nuclear Facility
By: IMCORP
Posted in: Workmanship, Generation
IMCORP conducted its Factory Grade® assessment on a critical loop at a government nuclear facility in southeast USA. This particular PD occurred at a Y-joint located 185 ft. and had an inception voltage of Uo. PD a... Read Article