Title :
Measurement and computation of thermally-induced currents in coaxial signal cables
Author :
Cao, Y. ; Boggs, S.
Author_Institution :
Electr. Insulation Res. Center, Connecticut Univ., Storrs, CT, USA
fDate :
4/1/2000 12:00:00 AM
Abstract :
Thermally induced current in low noise polymeric coaxial cables can introduce significant errors in certain applications. For e-beam crosslinked polymeric cable, the thermally induced current signal can be as high as 1 nA/m. The origin of such thermally induced signals is explained, based on the change of morphology and dielectric polarization as a function of temperature. The results of measurements carried out on three types of cables over a wide range of temperature are in good agreement with numerical simulations which involve the nonlinear thermal properties of the cable materials
Keywords :
cable insulation; coaxial cables; dielectric polarisation; organic insulating materials; polymers; coaxial cable; dielectric polarization; electron beam crosslinking; morphology; nonlinear thermal properties; polymeric insulation; thermally induced current; Charge measurement; Coaxial cables; Current measurement; Dielectric loss measurement; Dielectric measurements; Numerical simulation; Polarization; Polymers; Power cables; Temperature distribution;
Journal_Title :
Dielectrics and Electrical Insulation, IEEE Transactions on
