QF-J3-2型汽轮发电机的负序电流保护  

Negative Sequence Current Protection of Turbine Generator QF-J3-2

作　　者：张朝阳 

机构地区：[1]广东广业轻化集团云浮硫铁矿化工厂,广东云浮527300

出　　处：《自动化应用》2010年第3期57-58,共2页Automation Application

摘　　要：针对云浮硫铁矿化工厂QF-J3-2型汽轮发电机由于电网缺相运行导致发电机转子轴瓦烧毁的事故,设计安装了发电机负序过电流保护装置,避免了类似原因造成的事故和损失,确保了发电机的安全。The negative sequence current protection device was designed as the case of turbine generator QF-J3-2 rotor bearing bum down in Yunfu Pyrite Chemical Plant. After the generator negative current protection device was design and installed, the similar accidents and lost were avoided and the safety of generator was assured.

关 键 词：缺相运行 负序电流保护 报警电流 跳闸电流 

分 类 号：TM311[电气工程—电机]