Title :
Electrostatic effects on the cable dielectric
Author :
Gouda, O.E. ; El-Zein, A. ; El-Dessouky, S.S.
Author_Institution :
Dept. of Electr. Eng., Cairo Univ., Egypt
fDate :
Sept. 28 1991-Oct. 4 1991
Abstract :
In loaded cables, the copper and dielectric losses cause the conductor and insulation to heat up. Normally the dielectric expands 1 to 2 percent more than the conductor in radial direction. A cavity will form between the conductor and the insulation material. The change in the energy stored in this cavity creates an electrostatic force. This force leads to thermomechanical breakdown of cable dielectric. An experimental technique is suggested, designed, and used to measure the electrostatic force.<>
Keywords :
cable insulation; dielectric losses; electric breakdown of solids; electrostatics; power cables; Cu losses; cable dielectric; conductor; dielectric losses; electrostatic force; insulation material; loaded cables; thermomechanical breakdown; Cable insulation; Conducting materials; Copper; Dielectric losses; Dielectric materials; Dielectrics and electrical insulation; Electrostatics; Force measurement; Thermal force; Thermomechanical processes;
Conference_Titel :
Industry Applications Society Annual Meeting, 1991., Conference Record of the 1991 IEEE
Conference_Location :
Dearborn, MI, USA
Print_ISBN :
0-7803-0453-5
DOI :
10.1109/IAS.1991.178213
