Abstract
In view of the increasing scale of power network and the complexity of reliability calculation, how to divide large power grid to reduce computational complexity is an urgent problem to be solved. In this paper, a partition method based on the rule of reliability influence between components is proposed to judge the area division of power network. By calculating the influence of component outage on the reliability index of other components, we can analyse the strength of the system regional relation, and partition the power system at the weakly connected nodes to reduce the computational complexity of reliability. At the end of the paper, we use the IEEE-RTS79 system model to simulate and calculate. By analysing the data and comparing with the partition results of other algorithms, we can verify the rationality of the proposed method.
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