一起500kV变电站站用变压器异常声响原因分析

Reason of abnormal sound in 500 kV substation transformer

站用变承担整座变电站站用电供给,具有十分重要的意义,以一起500 kV变电站10 kV站用变出现异常声响为例,叙述了现场查找异常声响原因的过程,分析了造成此次站用变异常声响的原因,总结了此类问题的查找与处理方法,防止了设备运行情况的进一步恶化,保证了电网安全稳定运行。

Station transformer assuming the whole substation auxiliary power supply has vital significance.With an abnormal sound of 10 kV station transformer in 500 kV station as example,the paper described the process of finding the reason of abnormal sound and analyzed the reason of the abnormal sound.Also,problems of search and processing method to prevent further deterioration of the running conditions of equipment were summarized to ensure the safe and stable operation of power system.