نبذة مختصرة : A large scale blackout is a long term loss of electricity over a large geographical area. In order to succeed with the restoration, the electric utility SCADA system must be highly reliable not only in normal operation but also during a black out. The main contribution of this paper is a circuit breaker (CB) reliability model to be used in restoration planning. The model consider both the reliability of a SCADA system and the reliability of a communication system during a power outage. If a remote control of CB fails, due to battery undersizing, it is assumed in the paper that a manual operation of CB can be performed if field personal can communicate with the TSO head-quarter. The evaluation of the reliability to operate CB is performed by solving the so called s-t reliability problem for a graph with failure prone components. The method is applied in a case study where the SCADA architecture for an IEEE reliability test system is modeled. ; QC 20111220 Sponsors: IEEE; IEEE Power and Energy Society (PES)© 2011 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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