Abstract
AbstractDeveloping a special method for maintenance of equipments of industrial company is necessary for improving maintenance quality and reducing operating costs. Because of many vibration environments are not related to a specific driving frequency and may have input from multiple sources which may not be harmonically related, for more accurate and interest to analyze and test using random vibration. In this paper, for fault detection of generator journal-bearing using two technique of vibration analysis, namely, Power Spectral Density (PSD) and Fault Probability Distribution Function(PDF). For this we were calculated Grms,PDS and PDF of generator journal-bearing in healthy and unhealthy situation. The results showed that with calculating PSD and PDF we could find some fault of engine and diagnosis them possiblity.KeywordsFault diagnosisMaintenancegenerator journal-bearingPDSPDFGrms
Published Version
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