Investigation of Insulation Deterioration in 15 KV and 22 KV Polyethylene Cables Removed from Service - Part II

This paper reports the results of extensive examination of 15 kV and 22 kV polyethylene insulated cables which had been in service from less than one year to eleven years. The data presented are the results of the continuation of the investigation reported previously. This investigation of samples rermoved from service is now complete and conclusions and observations are presented regarding the extent and severity of several types of polyethylene insulation deterioration observed.