A risk assessment approach for power system based on a comprehensive fault probabilistic model

Traditional risk assessment methods focus on the power network side while ignoring the impacts of the information system. A risk assessment approach for power system based on a comprehensive fault probabilistic model is proposed. The risk factors of the information system are considered in the model. Overload and voltage violation risk indices are adopted. The risk indices thus gained can be used to help operators and the planners to monitor the system, and make a more credible plan. The correctness of the proposed approach is validated by IEEE-118 bus test system.

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