一起主变压器压力释放阀喷油原因分析及处理

Analysis and Treatment of an Oil Ejection Accident from Pressure Relief Valve in the Main Transformer

介绍了水布垭电厂压力释放阀动作的原因、开关断开后的处理经过、随油温变化变压器的体积计算及油位计校验方法,提出了主变压器出现非电气故障时的防范措施。

The causes for an oil ejection accident from the pressure relief valve in the main transformer in Shuibuya hy -dropower station are analyzed .The reason for the action of pressure relief valves , the processing procedure after the switch turns off , the volume calculation method for transformers which can adjust with the oil temperature , and the chec-king technique for oil level meters are discussed .At last, prevention measures are suggested for such non-electrical faults of the main transformer .