水轮机故障声学诊断技术研究及其应用探讨  

Acoustic Fault Diagnosis Technology Research and Application in Hydraulic Turbine

作　　者：王辉斌[1] 吴长利[1] 邹桂丽[1] 卢文秀[2] 褚福磊[2] 陈贞石 朱俊 任继顺[4] 陈伟[4] 

机构地区：[1]湖南省电力公司试验研究院,湖南长沙410007 [2]清华大学,北京100084 [3]东江水电厂,湖南郴州423403 [4]北京奥技异电气技术研究所,北京100084

出　　处：《大电机技术》2010年第3期45-50,54,共7页Large Electric Machine and Hydraulic Turbine

摘　　要：目前,声发射检测技术在石油化工工业、航空航天工业、金属加工、交通运输业等领域得到了广泛地应用。本文简要论述了水轮机故障声发射技术诊断的基本理论、系统设计原理,将研究成果应用于水电机组,并初步取得了成果。At the present time,the acoustic emission diagnosis technology is extensively used in the realm of petrochemical industry,aviation industry,metalworking industry,public transportation and so on.A brief treatise on the fundamental principle of AE Turbine fault diagnosis technology and the composition of the system were discussed.Some progresses have been achieved since this monitoring and diagnostic system being applied to hydropower units.

关 键 词：水轮机 故障诊断 声发射 超声波 碰摩 空化 裂纹 形态滤波 脉冲重复率 声强烈度 波形贴近度 

分 类 号：TK73[交通运输工程—轮机工程] TP277[动力工程及工程热物理—流体机械及工程]