国网陇南供电公司：自主完成主变保护改造 核心技术能力实现重大突破

Core Viewpoint - The successful completion of the 330 kV Chengxian Substation's main transformer protection upgrade marks a significant technical breakthrough for the company and enhances the smart grid capabilities in the region [1][3][4]. Group 1: Project Overview - The upgrade project for the 330 kV Chengxian Substation involved replacing the entire protection system of two main transformers, optimizing secondary circuits, and validating complex locking logic [3]. - The project was completed in 23 days, with all abnormal operation information eliminated and the first main transformer ready for operation [1][3]. Group 2: Technical and Operational Achievements - This project was the first time the company independently undertook the protection upgrade of the 220 kV main transformer, which was previously managed by external teams [3]. - The project required meticulous planning and execution, with all processes led by the technical backbone of the team, while manufacturer technicians played a supervisory role [3]. Group 3: Employee Development and Training - The company utilized this project as a training ground for young employees, integrating hands-on practice with mentorship to enhance their skills [3]. - Employees worked over 14 hours daily, demonstrating commitment and resilience, which contributed to their professional growth [3]. Group 4: Strategic Implications - The successful upgrade signifies a key technological advancement in the core equipment maintenance sector for the regional power grid, supporting the transition to a new energy system [3][4]. - The company aims to build a versatile workforce, enhancing its capabilities to support local economic development and contribute to carbon neutrality goals [4].