Diagnostics of Rotating Machines in Power Plants: by G. Diana (eds.)

By G. Diana (eds.)

The papers awarded in this party tested the main major points of diagnostic ideas, emphasizing the significance of predictive upkeep in decreasing creation shortages and the prices of plant administration. The contributions of those authors let a serious comparability of the various stories in constructing and employing different diagnostic methodologies hired in different components of the area. the subsequent difficulties are mentioned: features of tracking platforms - info acquisition ideas and knowledge processing methodologies; collection of transducers and of size aspect destinations; information compression thoughts; alarm degrees evaluate (acceptance regions); techniques for detecting malfunction stipulations; diagnostic methodologies for the online and off-line identity of the reason for fault; specialist platforms; definition of the information for the presentation up to speed rooms of tracking facts and diagnostic effects; rotordynamic types used, off-line, to verify faults clinically determined on-line.

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By G. Diana (eds.)

The papers awarded in this party tested the main major points of diagnostic ideas, emphasizing the significance of predictive upkeep in decreasing creation shortages and the prices of plant administration. The contributions of those authors let a serious comparability of the various stories in constructing and employing different diagnostic methodologies hired in different components of the area. the subsequent difficulties are mentioned: features of tracking platforms - info acquisition ideas and knowledge processing methodologies; collection of transducers and of size aspect destinations; information compression thoughts; alarm degrees evaluate (acceptance regions); techniques for detecting malfunction stipulations; diagnostic methodologies for the online and off-line identity of the reason for fault; specialist platforms; definition of the information for the presentation up to speed rooms of tracking facts and diagnostic effects; rotordynamic types used, off-line, to verify faults clinically determined on-line.

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Read Online or Download Diagnostics of Rotating Machines in Power Plants: Proceedings of the CISM/IFToMM Symposium, October 27–29, 1993, Udine, Italy PDF

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Extra info for Diagnostics of Rotating Machines in Power Plants: Proceedings of the CISM/IFToMM Symposium, October 27–29, 1993, Udine, Italy

Sample text

F'Tt•• ~;~r2~~w··· rt~~va ~•- oa. 12 Display example of vibration vectors Vibration Diagnostic Expert System for Steam Turbines 35 In view of the above diagnosis result, the seal ring part of the generator was overhauled for inspection. Slight rubbing marks were found at the sealing part and the seal ring was adjusted and reassembled. 7 bearing. The diagnosis results described above agreed with views of turbine vibration experts, and at the same time, the appropriateness of the diagnosis results was actually confirmed by overhaul inspections etc ..

In other words, fault trees can easily be converted into the rules of the IF-THEN form, and the diagnostic knowledge base can be easily constructed on the basis of the conventional FMECA by adopting the IF-THEN method. 4. SYSTEM CONFIGURATION The configuration of the vibration diagnostic expert system for steam turbines is explained in this chapter. 2 shows an external view of the apparatus for the steam turbine vibration diagnostic expert system. A CRT for diagnosing is on the left side and that for monitoring is on the right side in the figure.

And necessary in determining the exact nature of the problem, it's severity, and deciding on the most appropriate course of action. 0 51 SYSTEM USERS The main users of a turbogenerator monitoring system can be divided into two general categories: 1. Control room staff 2.

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