Title :
Interfacial charge behavior in SXLPE/XLPE laminate
Author :
Ko, Jung Woo ; Nam, Jin Ho ; Suh, Kwang S.
Author_Institution :
Dept. of Mater. Sci. & Eng., Korea Univ., Seoul, South Korea
Abstract :
Space charge distributions in silane crosslinked polyethylene (SXLPE)/crosslinked polyethylene (XLPE) laminates were investigated using a pulsed electroacoustic (PEA) method. XLPE shows heterocharge while SXLPE shows homocharge. Positive charge is accumulated at the interface of SXLPE/XLPE laminate when the applied electric field is more than 20 kV/mm. The charge profile at various temperatures was also acquired using a temperature-controllable PEA system. Although the applied electric field is only 8.6 kV/mm, positive interfacial charge starts to appear near 50°C
Keywords :
XLPE insulation; acoustoelectric devices; current density; interface phenomena; laminates; space charge; 50 C; SXLPE/XLPE laminate; applied electric field; heterocharge; homocharge; interfacial charge profile; positive charge accumulation; pulsed electroacoustic method; silane crosslinked polyethylene; space charge distributions; temperature-controllable PEA system; Charge measurement; Current measurement; Laminates; Polyethylene; Polymers; Pulse measurements; Pulsed electroacoustic methods; Space charge; Temperature distribution; Voltage;
Conference_Titel :
Electrical Insulating Materials, 2001. (ISEIM 2001). Proceedings of 2001 International Symposium on
Conference_Location :
Himeji
Print_ISBN :
4-88686-053-2
DOI :
10.1109/ISEIM.2001.973715
