水布垭电厂发电机非全相运行分析及防范  

Causes and Precautions for the Open-phase Operation of Generator Units in Shuibuya Hydropower Station

作　　者：甘魁元[1] 魏兴波[1] 

机构地区：[1]湖北清江水电开发有限责任公司,湖北宜昌443000

出　　处：《水电与新能源》2014年第11期13-15,20,共4页Hydropower and New Energy

摘　　要：为防止发电机非全相运行,以水布垭电厂3号机组解列操作时变压器高压侧断路器发生非全相运行为例,应用对称分量法分析了发电机三相电流的变化规律,并提出了非全相运行防范措施、故障判断及处理方法。An open-phase operation accident in Shuibuya hydropower station is studied , which occurred in the circuit breaker in high voltage side of the transformer when the No .3 generator unit stepped out .Changes of the three-phase current in the generator is analyzed with symmetrical component method .Precautions , fault diagnose and treatment measures are proposed .

关 键 词：非全相 对称分量法 水布垭电厂 

分 类 号：TV737[水利工程—水利水电工程]