A cloud model method for reliability evaluation of distribution system

Abstract

This article is first proposed a cloud model method for reliability evaluation of distribution system based on the fault traversal algorithm .the theory of cloud-based distribution system reliability model, to solve the uncertainty between distribution system reliability parameters and load parameters. The definition of the cloud model, its features and normal cloud generation algorithm are described in detail in this article. Processing the original parameters of distribution grid equipment with the cloud model, cloud model representation of reliability index is derived, then combined with traversal algorithm, to obtain the algorithm flowchart. The proposed algorithms is applied to the RBTS-Bus6 subsystem model, and discuss the difference between the exact value and this model, it analyzed the affect degree to reliability index under different conditions, and verified the usefulness and correctness of the algorithm. © 2011 Springer-Verlag.