Title :
Dielectric behaviour of AC aged polyethylene in humid environment
Author :
Scarpa, P.C.N. ; Bulinski, A.T. ; Bamji, S. ; Das Gupta, D.K.
Author_Institution :
Sch. of Electron. Eng. & Comput. Syst., Univ. of Wales, Bangor, UK
Abstract :
The present paper reports the results of a study of electrical ageing of low density polyethylene (LDPE) aged in a humid environment (0.1 M NaCl) at an AC stress of 6 kV/mm, 1 kHz, at room temperature (RT) and at 65°C, and cross-linked polyethylene (XLPE) AC aged in humid environment (water) at an AC stress of 6 kV/mm, 50 Hz, at RT, for an extended period of time. For this study, the dielectric spectroscopy data in the frequency range of 10-5 Hz to 106 Hz and their comparative analysis, have been used to provide electrical analog models of the ageing
Keywords :
XLPE insulation; ageing; electric breakdown; humidity; insulation testing; polyethylene insulation; spectroscopy; 1 kHz; 1E-5 to 1E6 Hz; 50 Hz; 65 C; AC aged polyethylene; AC stress; LDPE; XLPE; cross-linked polyethylene; dielectric behaviour; dielectric spectroscopy; electrical analog models; humid environment; low density polyethylene; Aging; Aluminum; Cables; Dielectric measurements; Electrodes; Frequency; Polyethylene; Polymers; Stress; Temperature;
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.1996.549417
