Core Viewpoint - The construction and acceptance of the 500 kV Wanjun to Xingmeng transmission line is a critical phase in the completion of Chengdu's 500 kV "three-dimensional double-ring" power grid project, which aims to enhance the power supply capacity and reliability for the Chengdu region [1][3][5] Group 1: Project Implementation - The project employs a two-person alternating work mode to improve efficiency, allowing a comprehensive inspection of a base tower to be completed in about one hour [1][2] - The acceptance team utilizes an innovative "on-the-go acceptance" model, ensuring seamless workflow by conducting inspections immediately after construction of each segment [2] Group 2: Technological Integration - Drones equipped with laser radar are used for "line acceptance," enabling precise measurement of the distance between trees and power lines, and generating three-dimensional models for efficient inspections [1][2] Group 3: Infrastructure Development - The 500 kV "three-dimensional double-ring" power grid is designed to address the high dependency of Chengdu's power supply on external sources, facilitating balanced distribution of electricity from various substations [4] - The network consists of 15 substations that allow for flexible routing of electricity, enhancing reliability and support during peak demand or faults in specific lines [4] Group 4: Strategic Importance - The strengthened 500 kV power grid will not only ensure reliable power supply during peak times but also connect to the national energy configuration network through the 1000 kV ultra-high voltage AC project, supporting the development of the Chengdu-Chongqing economic circle [5]