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Online diagnostics of the technical condition of the turbogenerator stator core suspension

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PL
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PL
This paper presents a method for the continuous technical diagnostic of the core suspensions at selected measurement points of the turbogenerator stator. The method extends diagnostic capabilities of a turbogenerator vibration monitoring system which has been designed with the participation of the authors of this paper and applied within the Polish power industry. This method uses two indicators (suppression and vibration harmonic contribution in suspension nodes) whose values are calculated from acquired and processed data in a given turbogenerator operation period. There has been four value ranges proposed for the indicators. The ranges define a technical condition of a stator suspension (very good, good, acceptable, bad) including two alarm ranges. Each technical condition is presented as a colourful area on an idle and active power plot. This enables the quick identification of machine operation areas, which reveals the weakened technical condition of a stator component.
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online
2016-01-29
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Publication order reference
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bwmeta1.element.ojs-nameId-6e3e8ea9-5a94-37a7-828b-e6cd5da23db6-year-2016-article-5518
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