Title :
Measurement of space charge accumulation in PPLP
Author_Institution :
Kansai Electr. Power Co. Inc., Hyogo, Japan
Abstract :
The author tested space charge accumulation in the oil impregnated insulation paper for DC oil-filled cables, and found that polypropylene shows no resistivity reduction with time whereas kraft paper in polypropylene laminated paper (PPLP) does show some reduction. It is also revealed that degradation of insulation paper will be predictable by measurement of space charge
Keywords :
charge measurement; impregnated insulation; insulating oils; insulation testing; paper; power cable insulation; space charge; submarine cables; DC oil-filled cables; PPLP; degradation; kraft paper; oil impregnated insulation paper; polypropylene; polypropylene laminated paper; resistivity reduction; space charge accumulation; submarine DC cable; Cable insulation; Charge measurement; Conductivity; Current measurement; Degradation; Insulation testing; Oil filled cables; Oil insulation; Petroleum; Space charge;
Conference_Titel :
Dielectric Liquids, 1999. (ICDL '99) Proceedings of the 1999 IEEE 13th International Conference on
Conference_Location :
Nara
Print_ISBN :
0-7803-4759-5
DOI :
10.1109/ICDL.1999.798989
