Title: Electric power cable
Application Number: 85107046 Application Date: 1985.09.25
Publication Number: 1010187 Publication Date: 1987.04.08
Approval Pub. Date: Granted Pub. Date: 1990.12.12
International Classifi-cation: H01B9/00,H01B9/06
Applicant(s) Name: Sumitomo Electric Inc., Ltd. Address:
Inventor(s) Name:
Attorney & Agent: WANG ZHONGZHONG
Abstract:
     An oil-immersion electrically insulated cable of high performance id xonstructed by wrapping a conductor with insulation formed by winding on the conductor polypropylene film having a density in the range of 0.905 to 0.915 g/cm3, a birefringence in the range of 0.020 to 0.035, a ratio of strengths in two axial directions (tensile strength in the longitudinal direction/tensile strength in the lateral direction) in the range of 5 to 15, and impregnating the insulting layer with an insulating oil.preferably DDB oil.
Time: 9