![]() ![]() As a result, component failure probabilities are not only related to historical statistic data but also operational data of components, and derived risk indices can reflect current operational conditions of components. Under the new method, both up-to-date component failure risks and traditional system risk indices can be processed with the proposed outage model. The proposed SVDD approach can provide a suitable mechanism to map component assessment grades to failure risks based on probabilistic behaviors of power system failures. The traditional outage probability model of transmission lines has been modified to build a new framework for power transmission system risk assessment. Component failure risks are integrated into the new method based on operational condition assessment of components using the support vector data description (SVDD) approach. This paper proposes a new method for power transmission risk assessment considering historical failure statistics of transmission systems and operation failure risks of system components. ![]()
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