Open AccessExperimental analysis of noise and vibration for large brushless doubly fed machines
Author(s) -
Abdi Salman,
Llano Danilo,
Abdi Ehsan,
Malliband Paul,
McMahon Richard
Publication year - 2017
Publication title -
the journal of engineering
Language(s) - English
Resource type - Journals
ISSN - 2051-3305
DOI - 10.1049/joe.2017.0425
Subject(s) - vibration , rotor (electric) , noise (video) , harmonic , acoustics , harmonic analysis , amplitude , control theory (sociology) , computer science , engineering , physics , electronic engineering , electrical engineering , control (management) , artificial intelligence , image (mathematics) , quantum mechanics
In this study, a large‐scale brushless doubly fed machine (BDFM) built in frame size D400 is tested at different operating conditions in order to examine its noise and vibration levels. A series of measurements were conducted on the machine to establish the main modes of excitation of vibration and noise developed by the machine. The harmonic spectrums of the vibration amplitudes are presented at two different rotor speeds at which the vibration level is highest, in order to determine the vibration components frequencies existed in the vibration spectrum. A harmonic analysis of the BDFM is then proposed in order to assess the sources of vibration in the machine.