Abstract
This paper considers on what basis should the restoration priority of failed components be determined. The criteria qualitatively mentioned in the existing procedures are modified to be quantitative, and the case study simulates whether the two criteria (recoverd capacity of system or power flow of component) work effectively in all possible disasters. In order to compare and analyze which restoration priority is better, the resilience from the moment of an disastrous event to the moment all failed compoents are repaired is compared with each other. Among the methods for quantification the resilience of the power system, in order to express the resilience curve as an metric, the area between the resilience curve and the maximum capacity in the normal system is calculated. In disastrous events where many components fail at the same time, the restoration of high-voltage main feeder first may be a better option. To evaluate the strategy to determine the restoration priority, a technique using Bus Injection to Branch Current(BIBC) matrix to identify the unserved customers of a radial distribution system is proposed.
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