Title :
The influence of water in XLPE cable conductor on XLPE insulation breakdown voltage and partial discharge
Author :
Nikolajevic, S.V. ; Stojanovic, B.B.
Author_Institution :
Electr. Power Distribution Co., Beograd, Serbia
Abstract :
This paper presents the results of a continuing investigation into degradation of the crosslinked polyethylene (XLPE) power cable insulation. The paper deals with the changing of water absorption of various types of XLPE power cable insulations: steam and nitrogen-dry cured crosslinked polyethylene; (XL) and steam and nitrogen-dry cured water tree retardant crosslinked polyethylene (WTR-XL). The results of the study into effect of water absorption on breakdown stress (AC BDS) and partial discharge for different XLPE power cable insulations are also given. During the aging tests, the cable conductor was poured with tap water and the cable ends were properly closed
Keywords :
XLPE insulation; ageing; electric breakdown; insulation testing; partial discharges; power cable insulation; power cable testing; trees (electrical); XLPE power cable insulation; aging tests; breakdown stress; dry cured crosslinked polyethylene; insulation breakdown tests; insulation breakdown voltage; partial discharge; water absorption; water tree retardant crosslinked polyethylene; water treeing; Absorption; Cable insulation; Conductors; Degradation; Electric breakdown; Polyethylene; Power cable insulation; Power cables; Retardants; Trees - insulation;
Conference_Titel :
Electrical Insulation, 1996., Conference Record of the 1996 IEEE International Symposium on
Conference_Location :
Montreal, Que.
Print_ISBN :
0-7803-3531-7
DOI :
10.1109/ELINSL.1996.549418
