文档介绍：发电机运行及事故处理规程210MW电运规字第1号运城热电厂2007年6月批准:复审:审核:修编:、总值长、、、机长、、管理人员应熟知有关部分目录1设备概况·········································································································································································································42发电机的操作维护及正常运行·················································································································································································································································································································································163发电机异常运行及事故处理·········································174励磁系统··························································(C)210-/535/535型超高压、中间再热、三缸双排汽抽汽凝汽式汽轮机,额定功率为210MW,最大功率:220MW与水氢内冷发电机配套。主汽门前蒸汽压力:(绝对大气压)主汽门前蒸汽温度降参数运行:正常535℃;汽轮机发电机组轴系临界转速:一阶1384转/分。,动作后关闭主汽门和调速汽门:1).超速至110%(3300转/分)时,危急保安器动作。2).轴向位移超过+-。3).润滑油压低于≤。4)排汽缸真空降低至kPa。5)发变组保护动作出口跳闸时联关主汽门。─210—2型,其冷却方式为水氢氢,即发电机定子绕组(包括定子线圈、定子引出线)采用水内冷,转子线圈采用氢内冷,定子铁芯及其它构件采用氢表面冷却。、热风道、氢冷却器在风扇的作用下形成四进五出径向多流通风的密闭循环系统。为了防止氢气外漏和空气进入机内,发电机油密封系统为双流环式,为了减少通风阻力、缩短风道和减轻氢气爆炸造成的破坏,将四台氢气冷却器装在发电机机壳内的四个角。。定、转子线圈及定子铁芯端部均采用F级绝缘,定、转子线圈绝缘均采用F级绝缘,温升按B级考核。发电机转子旋转方向:从汽轮机侧看为顺时针方向。转子的励磁由机端变自并励静态励磁系统供给。:容量:有功负荷210MW。额定视在功率::220MW。.定子额定电压:。定子额定电流:9057安。发电机额定转子电压:454伏。发电机空载时转子电压:(75℃)伏。发电机额定转子电流:。发电机空载时转子电流:安。功率因数:(滞后)。转速:3000转/分。频率::≥%。定子线圈接法:YY发电机定子出线端数目为6个临界转速(r/min)一阶1250r/min;二阶3400r/min静过载能力::稳态I28%暂态I22t8轴承振动:≤:≤:30m3/h冷却水进水温度:40~50℃冷却水出水温度:≤90℃冷却水温升:≤40℃定子冷却水压:—