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The uncertainties in reliability evaluation model are fundamentally classified into aleatory and epistemic types. Aleatory uncertainty arises from the intrinsic randomness associated with a physical system, such as components stochastic failure and repair process. Epistemic uncertainty, on the other hand, results from an incomplete or inaccurate scientific understanding of the underlying process,...
To improve the calculation efficiency of reliability assessment, this paper presents a heuristic approach to local load shedding scheme. The basic ideas of the proposed method are to search the node sets to conduct load curtailment which can alleviate system problems effectually according to local load shedding principle and through power flow tracing in the vicinity of the failed system components...
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