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A probabilistic model of exposure to ionized fields under HVDC lines in presence of wind
Faculty
Engineering
Year:
2002
Type of Publication:
InProcceding
Pages:
Authors:
Abouelsaad, MM
Journal:
IEEE
Volume:
Research Area:
Automation \& Control Systems; Computer Science; Engineering; Telecommunications
ISSN
ISI:000177319600081
Keywords :
HVDC power lines, field exposure, probabilistic methods
Abstract:
Models of HVDC ionized fields have, traditionally, been based on deterministic approaches, i.e. the exposure variables are defined as single-point estimates. Alternatively, the present work acknowledges the probabilistic nature of these variables and caters for their inherent uncertainties. Randomness in the exposure variables; such as the ambient field intensity and current density, the wind speed, and the object dimensions, is identified and accounted for. A general probabilistic model of exposure, in which the exposure variables are presented in the form of probability distributions, is presented. The model is employed to derive basic exposure severity indices that can be used to quantify the impact of exposure to ionized fields under HVDC lines.
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