高位布置汽轮发电机组试运中的稳定性测试与分析  

Test and Analysis of Stability for High Level Layout of 660MW Turbine Generator Unit During Trial Operation Period

作　　者：张伟江 焦林生 薛应科 唐广通 李宁 李晖 杜威 ZHANG Wei-jiang;JIAO Lin-sheng;XUE Ying-ke;TANG Guang-tong;LI Ning;LI Hui;DU Wei(State Grid Hebei Energy Technology Service Co.,Ltd.,Shijiazhuang 050021,China;National EnergyShaanxi Guohua Jinjie Energy Co.,Ltd.,Shenmu 719300,China)

机构地区：[1]国网河北能源技术服务有限公司,石家庄050021 [2]国能陕西国华锦界能源有限责任公司,神木719300

出　　处：《汽轮机技术》2022年第1期46-48,52,共4页Turbine Technology

摘　　要：以国华锦界660MW高位布置机组为研究对象,通过对基础平台、轴系各轴承的振动数据以及相关运行参数进行研究,分别对机组启动过程中基础平台和轴系的稳定性以及带负荷过程中汽轮机汽缸和轴系的稳定性进行分析。结果表明,基础平台能够满足机组启动和工作频率下稳定性要求,汽轮机汽缸抗震性良好、轴系稳定性优良,能够满足机组各工况运行的要求。The research takes Jinjie high-level layout 660MW steam unit as the research object,the stability was analyzed respectively that the spring vibration-isolated foundation andthe shaft system and the cylinder during the period of start-up and loading,through research of vibration of the foundation and the bearing of the unit.The results show that the stability of spring vibration-isolated foundation can meet the security requirement of start-up and loading,the cylinder has the advantage of good shock resistance,the shaft system has the advantage of good stability,can meet all working conditions.

关 键 词：高位布置 弹性基础平台 临界转速 汽缸膨胀 轴承振动 

分 类 号：TK267[动力工程及工程热物理—动力机械及工程]