Constellation, le dépôt institutionnel de l'Université du Québec à Chicoutimi

Résumé

Thanks to its excellent properties, cross-linked polyethylene (XLPE) is widely used in the insulation of medium and high voltage cables. However, under service conditions, the insulation of XLPE encounters several problems such as space charge accumulation, water trees, electrical trees, and partial discharges. Recently, research for cable insulating material has shown that nano-size filler added to XLPE may help reducing these problems. Currently, XLPE-based nanocomposites can be used as reliable insulation materials due to its excellent mechanical, thermal, and electrical properties. However, although it offers a number of advantages including its usage as insulator in power cables, some other issues remain to be addressed. In this chapter, the critical issues in XLPE-based nanocomposites are discussed. It includes significant tutorial elements as well as some analyses.