Research on 110 kV Simplified Substation for Incremental Distribution Network

    Introduction   Aims to the characteristics of incremental distribution network investment, such as more sensitive to project cost, benefit and duration.

    Method   This article analyzed the standard design scheme of substation in China Southern Power Grid, simplified the substation scheme by combining prefabricated cabin technology and assembly structure technology.

    Result   Two 110 kV simplified substation schemes for different main transformer scale are presented.

    Conclusion   On the one hand, they have basic functions as a substation. on the other hand, the construction difficulty, time limit and cost are greatly reduced, which makes it possible to duplicate, relocate and recycle substation. It provides a reference for the construction scheme to promote the development of incremental distribution network.