The situation and trends of feeder automation in China

State Grid Corporation of China and China Southern Power Grid Corporation put forward the vision of Smart Grid in 2009. Then China launched the second round of distribution automation system (DAS) project. This paper summarizes the DAS in this round, including the project planning, current development and related technical standard. The development situation and trend of feeder automation (FA) technology are focused. The various realization modes and test verification technology of FA are presented in details. With the integration of distributed generation to distribution grid, the trend of Advanced Distribution Automation (ADA) and other techniques such as optimizing operation and practicability of FA in China are introduced.