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国网陇南供电公司:直击高温战场 为330千伏主变带电“除尘焕能”
Zhong Guo Neng Yuan Wang·2025-08-13 09:09

Core Insights - The company conducted live water washing operations on the 330 kV Wudu substation's main transformers to enhance equipment cooling and ensure the safety of the power grid operation [1][3][5] Group 1: Operational Details - The operation was initiated due to high temperatures and dust accumulation on the heat exchangers of the main transformers, which had oil temperatures reaching 58°C and winding temperatures at 60°C, nearing operational warning limits [3][5] - A detailed operational plan was established, including safety measures and emergency response protocols, to ensure compliance with live operation safety standards [3][4] Group 2: Performance Outcomes - After 5 hours of continuous work, the main transformers' heat exchangers were thoroughly cleaned, resulting in a reduction of oil temperature to 42°C and winding temperature to 45°C, improving cooling efficiency by nearly 30% [5] - The company has implemented a comprehensive health monitoring system for its substations, including infrared temperature measurements and live cleaning operations, to maintain optimal equipment performance during peak load periods [5]