IMCORP Blog

Category Archives: Utility

PD Activity Identified During Assessment of Aged Utility Cable

By: IMCORP

Posted in: Utility, Cable

During the reliability assessment of aged underground residential distribution (URD) cable systems at a mid-western electric utility, one particular cable sample was found to exhibit low levels partial discharge (PD) activity. These PD sites were e... Read Article


Very Low Partial Discharge Values Found While Commissioning A New Wind Farm

By: IMCORP

Posted in: Workmanship, Wind, Utility, Renewable, Cable

During a recent wind farm commissioning project in the southern United States multiple defects were identified within the collector cable system. One particular cable exhibited defects in the form of very low levels of partial discharge at two time... Read Article


Misplaced Stress Relief Material at a Utility

By: IMCORP

Posted in: Workmanship, Utility

This particular open-air termination transitions an underground line to a riser. Although visual inspection indicated that the cable was properly installed (it is difficult to see the mastic placement with the termination installed), the cable ... Read Article


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