国网莆田供电公司：“零点作业”除隐患 力保客户可靠用电

Core Viewpoint - The State Grid Putian Power Supply Company successfully conducted a "zero-point operation" to address a defect in the 110 kV Linbing Substation during low nighttime electricity demand, minimizing the impact on residents' daily electricity usage [1][3]. Group 1 - The current period is critical for power supply due to high electricity demand caused by ongoing high temperatures, which poses challenges to the stability of the power grid [3]. - During a special inspection, maintenance personnel identified unusual noises from the 10 kV side of the 110 kV Linbing Substation's main transformer, indicating a need for urgent repairs [3][4]. - The company organized multiple professional departments to conduct risk analysis and pre-control measures to ensure the safety of the power supply during the repair process [3]. Group 2 - The operation commenced at 1 AM, with the team overcoming challenges such as poor visibility and fatigue, adhering strictly to standard operating procedures [4]. - Detailed inspections revealed multiple loose bolts within the switch cabinet, particularly noticeable on the tightening bolts of the insulator [4]. - By 5 AM, the team successfully completed all necessary repairs, including inspections and tightening of components, ensuring the equipment was back in operation [4].