Title :
A study on breakdown phenomena in XLPE power cable
Author :
Tanaka, Hideo ; Ichiyanagi, Naotaka ; Iwata, Zensuke
Author_Institution :
Furukawa Electr. Co. Ltd., Chiba, Japan
Abstract :
In order to clarify the factors involved in breakdown under AC and lightning impulse voltages, the authors have developed a prebreakdown detection method, and have discovered a number of facts concerning the factors determining the breakdown of insulation in XLPE (cross-linked polyethylene) cables. Experimental results reveal that impurities in the insulation constitute the governing factor in breakdown under AC voltages, whereas breakdown under impulse voltages is predominantly governed by protrusions in the shielding layers
Keywords :
cable insulation; cable testing; electric breakdown of solids; electric strength; impulse testing; insulation testing; organic insulating materials; polymers; power cables; AC voltages; XLPE power cable; breakdown of insulation; breakdown phenomena; impurities; lightning impulse voltages; prebreakdown detection method; protrusions; shielding layers; Breakdown voltage; Cable insulation; Dielectrics and electrical insulation; Electric breakdown; Laboratories; Lightning; Optical microscopy; Partial discharges; Power cables; Trees - insulation;
Conference_Titel :
Electrical Insulation and Dielectric Phenomena, 1992. Annual Report. Conference on
Conference_Location :
Victoria, BC
Print_ISBN :
0-7803-0565-5
DOI :
10.1109/CEIDP.1992.283152
