国网成都供电检修片区核心变电站 保障航空新城可靠用电

Core Viewpoint - The State Grid Sichuan Electric Power Company Chengdu Power Supply Company successfully conducted an integrated maintenance operation at the 110 kV Machang Substation to ensure reliable power supply for the Chengdu Qingyang Aviation New City, facilitating the region's economic development and industrial upgrades [1][2]. Group 1: Maintenance Operations - Over 100 technical personnel were organized for the integrated maintenance of the Machang Substation, which is a key power source for the Qingyang Aviation New City [1]. - The maintenance was strategically scheduled during the low-load period before the Spring Festival to minimize disruption, with a detailed load transfer plan in place [2]. - The maintenance duration was reduced from the traditional 7 days to just 3 days, achieving over a 100% increase in efficiency [2]. Group 2: Infrastructure and Reliability - The Chengdu Power Supply Company has achieved 100% transfer capability for 279 public network lines, creating a flexible and reliable grid structure [2]. - The company faced challenges due to the compact layout of GIS equipment within the substation but effectively coordinated various maintenance tasks to avoid conflicts [2]. - Continuous inspections and proactive services were provided to ensure reliable electricity supply for users in the Aviation New City [3]. Group 3: Emergency Preparedness - The company organized two repair teams, eight personnel, nine mobile generators, and 260 meters of emergency cables to be on standby during the maintenance period [3]. - The proactive approach included collaboration with enterprises to ensure their equipment maintenance during the maintenance window [3]. - The maintenance operation was aligned with the rapid resumption of production plans for local businesses post-holiday, enhancing the overall safety and reliability of the power supply [3].