Core Viewpoint - The successful commissioning of the first distributed phase-shifting device at the 330 kV gathering station of the Qingyu DC Project marks a significant advancement in ensuring the safe and stable operation of the project [1] Group 1 - The device has a capacity of 50 MVar and underwent 168 hours of trial operation before being officially connected to the grid [1] - The project is part of the Qingyu DC Project, which has a total capacity of 3 million kW [1] - The commissioning of this phase-shifting device acts as a reliable "stabilizer" for the safe and stable operation of the Qingyu DC Project [1]