In order to provide reference for improving the reliability of distribution network and to speed up the development of distribution network automation, this paper analyses the system structure, development status and trend of distribution network automation technology. This document offers a complete guide to Cisco's Smart Grid Field Area Network (FAN) solution architecture. It covers various ways this solution can be used, including: ● Monitoring secondary substations for scenarios like Fault Location, Isolation, and Service Restoration (FLISR) and Volt/VAR. The Smart Grid policy requirements as outlined in Energy Independence and Security Act (EISA) of December 2007 will increase the need for Distribution Automation, and therefore a better understanding of the benefits and challenges of Distribution Automation for all of its stakeholders. A broad. Home Advanced Materials Research Advanced Materials Research Vol. With the continuous development of society and economy, the distribution network automation has. Distribution Automation Systems have been defined by the Institute of Electrical and Electronic Engineers (IEEE) as systems that enable an electric utility to monitor, coordinate, and operate distribution components in a real-time mode from remote locations. There are several reasons why we. Distribution automation (DA) can achieve substantial impacts—such as improving distribution system resilience and reliability, and the fault location, isolation, grid integration of selected distributed energy resources (DER)—as utilities modernize their grid infrastructure.