The plant monitoring system is one common factor that exist in maintenance operations and performance. Jari (2002), emphasised that the maintenance includes various condition and health monitoring systems that monitor both individual field equipment and entire processes,
The method vary with the target to be monitored,condition monitoring system for rotating machines can be used as good early time warning system, for example, a fault in the bearing may cause a malfunction in the turbine.
The comprehensive measurement can be used to monitor turbine and other rotating gas compressors and observe for leakages in areas such as the sumps,bearing and mechanical seals and captured in advance.The integration of data provided by different methods into a power plant information system creates the best possible information foundation for the optimization of plant wide maintenance operations.it will mean that the information supplied must have strong understanding of the power components processes..
Recent experience suggest that nearly all plant encounter irregularities in either their main or sub process machinery.Measurement data ca be used to initiate regulatory actions quickly in the right places and to ensure that operation starts up as planned..
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