大功率汽轮机通流部分故障诊断特征规律的研究  

Research of Characteristic Rule for Fault Diagnosis about Flow Passage of A Big Power Steam Turbine

作　　者：吴茜[1] 史进渊[1] 

机构地区：[1]上海发电设备成套设计研究所,上海200240

出　　处：《动力工程》2001年第1期1010-1013,1021,共5页Power Engineering

摘　　要：介绍了汽轮机调节阀阀杆断落、喷嘴磨损、叶片断阻塞静叶、通流部分结垢、通流部分固体颗粒磨损、汽缸进水、大轴弯曲、动静元件轴向碰磨、蒸汽振荡和真空恶化等 1 0种故障的特征信号、征兆和诊断规则。给出了基于可靠性理论的故障诊断模型和应用实例。图 2参This paper describes characteristic signals, portent and diagnosing rules for the following 10 kinds of faults on turbine: fracturing spindle of control valve, nozzle abrasion, blocking stator by breaking vane, flow passage fouling, solid granule abrasion of flow passage, casing feeding, big rotor bending, rotor/stator rubbing and impacting fault in the axial, steam vibrating, vacuum deteriorating. Fault diagnosis models on the base of reliability theory are illustrated as well as some applications. Figs 2, Table 1 and refs 5.

关 键 词：汽轮机 通流部分 故障诊断 可靠性 

分 类 号：TK267[动力工程及工程热物理—动力机械及工程]