![]() The measurement of vibration value is done on turbine bearings and steam generator of Unit 1 Amurang using Turbine Supervisory Instrument and CSI 2600 instrument. ![]() The transformation of time-domain-wave into frequency-domain-wave is using the application of FFT, namely AMS Machinery. Vibration analysis is predicting the damage based on the vibration spectrum, where the vibration spectrum is the result of separating time-based vibrations and simplifying them into vibrations based on their frequency domain. The conducting vibration analysis on Amurang Unit 1 Steam Generator is because vibration analysis is very effective on rotating objects. Predictive maintenance object in this research is Steam Generator Amurang Unit 1, which is predictive maintenance is done through condition monitoring in the form of vibration analysis. 89% of defects have random failure mode, the proper maintenance method is predictive maintenance. Maintenance on machines is a mandatory asset management activity to maintain asset reliability in order to reduce losses due to failure.
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