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القائمة البريدية
التصويت: الازمة المالية العالمية
للكاتبين :
A. M. Hemeida, G. Shabib, Y. A. Mobarak, and M. M. Hussien
Electric Engineering Department, High Institute of Energy,
South Valley University, Aswan, Egypt
ABASTEACT
The occurrence of voltage instabilities or voltage collapses depend on the duration of the
persistence of the fault and on the type of fault, some faults lead to voltage instabilities, others
lead to voltage collapse. Evaluation of fault durations causing occurrence of voltage instabilities
or collapse is the main goal of this paper. This paper searches for the effect of peak inrush current
and its duration periods initiation of voltage instability, with lagging and leading load power
factors at certain loads buses. Also, this paper searches about the fault duration required for
voltage collapse. The influence of the cold inrush current on this fault duration is studied. .Form
several tedious trials, it is noticed that, the phenomena of voltage collapse can be occurred with
some line opening in the studied system.
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