变压器油中溶解气体在线监测技术在110kV福民变电站3号主变故障监测中的应用

Application of Dissolved Gases on-line Monitoring Technology in Fault Monitoring of No.3 Main Transformer,110 kV Fumin Substation

对110 kV福民变电站3号主变故障发生、发展、确认、处理的全过程予以详尽的描述。利用变压器油中溶解气体在线监测装置成功捕捉到3号主变潜伏性故障,并在控制主变负荷情况下对变压器内部运行状态进行连续在线监控,对变压器油中溶解气体在线监测装置的应用情况进行分析总结,并对在线监测装置的应用情况提出了建议。

The fault occurrence, development, confirmation and treatment in No.3 main transformer, 110 kV Fumin substation are described in detail. The latent fault in No.3 main transformer has been successfully recognized with on-line monitoring devices of dissolved gases in transformer oil. Continuous on-line monitoring on the operating status of transformer at controlled load condition is conducted. The application of on-line monitoring device is analyzed and summed up, and suggestion is put forward as well.