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Risk-based resource optimization for transmission system maintenance

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3 Author(s)
Yong Jiang ; Iowa State Univ., Ames, IA ; McCalley, J.D. ; Van Voorhis, T.

This paper describes a resource optimization approach for transmission system maintenance selection and scheduling that is based on the cumulative long-term risk caused by failure of each piece of equipment. This approach accounts for equipment failure probability, equipment damage, as well as outage consequence in terms of dispatch cost. A method of computing the change of equipment failure probabilities and expected time to failure when equipment condition data are available is described. The method is illustrated on a 566-bus model of a U.S. utility system

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Power Systems, IEEE Transactions on  (Volume:21 ,  Issue: 3 )