Abstract

In power distribution systems it is extremely important to achieve rapid restoration of customer supply and speedy return to normal operating conditions following a system equipment fault or system abnormality. The authors extend existing techniques by describing the modeling and evaluating techniques that permit an efficient and practical probabilistic assessment of service restoration in distribution systems. These techniques recognize practical operating features of distribution systems and present to the system operator the most appropriate switching operations to be executed, in a classified order, with all the associated information. A set of five probabilistic indices is also obtained which quantifies the impact of component reliability parameters and systems operational practices on the restoration capability of distribution systems. The analysis of a typical 150 kV/20 kV system based on a real distribution system is included.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

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