Analysis of the temporal electric fields in lossy dielectric media

Iain Wilson McAllister, George C Crichton

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The time-dependent electric fields associated with lossy dielectric media are examined. The analysis illustrates that, with respect to the basic time constant, these lossy media can take a considerable time to attain a steady-state condition. Time-dependent field enhancement factors are considered, and inherent surface-charge densities quantified. The calculation of electrostatic forces on a free, lossy dielectric particle is illustrated. An extension to the basic analysis demonstrates that, on reversal of polarity, the resultant tangential field at the interface could play a decisive role in the insulation integrity of a system
Original languageEnglish
JournalIEEE Transactions on Electrical Insulation
Issue number3
Pages (from-to)513-528
Publication statusPublished - 1991

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