Semi-speed oil whirl fault component extraction in a steam turbine based on time-frequency filtering

Zhendong yu Chongji/Journal of Vibration and Shock

Volumn 34, Issue 3, 2015, Pages 178-182

  Teng, Wei ^a   An, Hong Wen ^a   Ma, Zhi Yong ^a   Liu, Yi Bing ^a  

^a NORTH CHINA ELECTRIC POWER UNIVERSITY   (China)

Author keywords

Fault component extraction; Gabor transformation; Semi speed oil whirl; Time frequency filtering

Indexed keywords

BANDPASS FILTERS; ELECTRIC FAULT CURRENTS; EXTRACTION; GABOR FILTERS; INVERSE PROBLEMS; INVERSE TRANSFORMS; SPEED; STEAM; STEAM TURBINES; TIME DOMAIN ANALYSIS; VIBRATION ANALYSIS;

FAULT COMPONENT EXTRACTION; GABOR TRANSFORMATION; OIL WHIRL; ROTATIONAL FREQUENCY; SELF-EXCITED VIBRATIONS; TIME FREQUENCY DOMAIN; TIME-FREQUENCY DISTRIBUTIONS; TIME-FREQUENCY FILTERING;

FREQUENCY DOMAIN ANALYSIS;

EID: 84925592323     PISSN: 10003835     EISSN: None     Source Type: Journal    
DOI: 10.13465/j.cnki.jvs.2015.03.029     Document Type: Article

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