摘要
介绍了葛洲坝水电站1台220 kV变压器油中溶解气体异常的情况,通过气相色谱法、故障产气速率计算、热点温度估算分析故障产生的原因,用比值法判断故障类型,查明了故障的原因,提出了处理措施。
Abnormality of dissolved gas in the oil of a 220 kV transformer in Gezhouba hydropower station is described . The causes for such problem is analyzed with gas chromatography , abnormal aerogenesis speed calculation , estimation of hotspot temperature .With the ratio method , the type of such fault is determined .Treatment measures are then pro-posed .
出处
《水电与新能源》
2014年第11期59-61,64,共4页
Hydropower and New Energy
