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Coupled Electro-thermal Field Simulations in HVDC-Cables
Publié en 2011
For PE insulated cables both the temperature difference ?T and the electric field coefficient ? have a significant influence on the electric field distribution because PE has a nonlinear electric conductivity which is approximately a function of the temperature and the electric field strength.
The coupled electric-thermal simulations are carried out for PE insulated HVDC-cables. The influence of the temperature and ? on the field distribution is investigated.The field inversion effect occurs both for the stationary and the time-dependent conditions.
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