Core Viewpoint - The company is undertaking a critical upgrade of the 110 kV Tonggu Substation to enhance power supply reliability and meet the growing energy demands of the surrounding regions [3][4]. Group 1: Project Overview - The 110 kV Tonggu Substation, operational since 2003, plays a vital role in energy transfer and stability for the Chengxian area of Longnan City [3]. - The upgrade is necessitated by the aging of two main transformers, which have been in operation for 22 years, and their insufficient load-bearing capacity [3][4]. Group 2: Technical Improvements - The upgrade plan includes a comprehensive replacement of the existing outdoor 110 kV open-type electrical equipment with HGIS combined electrical equipment, significantly reducing environmental damage from dust, humidity, and salt mist [3][4]. - The project aims to optimize power distribution, enhance grid stability, and meet diverse user demands [3][4]. Group 3: Safety and Execution - The company has implemented strict safety measures and detailed repair plans, focusing on various critical processes such as power outage arrangements, equipment installation, and testing [4]. - Technical experts from Yunnan Transformer Manufacturing Plant have been invited to ensure professional guidance throughout the project [4]. Group 4: Project Impact - Upon completion, the upgraded substation will improve the reliability of the power supply in the Chengxian area, leading to a more rational grid structure and enhanced operational flexibility [4]. - The project is expected to contribute to the stable economic development of the local area by ensuring safe and reliable power supply [4].