Vector Diagram: How to Get More Useful Information from Hydraulic Unit Monitoring
The development of an effective hydraulic unit (HU) diagnostic system, which recognizes critical fault at an early stage of their development, is a relevant and practically important objective for many hydroelectric power plants (HPP). The main trends in recent years in this area are the expansion o...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-03-01
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| Series: | Eng |
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| Online Access: | https://www.mdpi.com/2673-4117/3/2/15 |
| _version_ | 1797487720516288512 |
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| author | Evgeniia Georgievskaia |
| author_facet | Evgeniia Georgievskaia |
| author_sort | Evgeniia Georgievskaia |
| collection | DOAJ |
| description | The development of an effective hydraulic unit (HU) diagnostic system, which recognizes critical fault at an early stage of their development, is a relevant and practically important objective for many hydroelectric power plants (HPP). The main trends in recent years in this area are the expansion of the hardware base and the introduction of digital technologies to handle the increasing flow of data monitoring. At the same time, much less attention is paid to the improvement of algorithms for potential defect recognition and the creation of new diagnostic rules; much of the monitoring data are used only for the trend construction, and do not participate in the diagnosis. The method of vector diagrams is proposed for estimating actual forces applied towards the support joints of an HU: each mode of operation is represented on a phase plane in the form of a vector proportional to the vibration displacement. The vector difference determines the actual forces of mechanical, electromagnetic and hydraulic origin in each operating mode, taking into account the individual characteristics of the HU. The example of vector diagram analysis shows how to obtain more useful information about the technical status of the unit from the same amount of basic vibration monitoring data, to predict possible deterioration in the operation of the equipment well before the generation of a warning or an alarm signal by the diagnostic system. |
| first_indexed | 2024-03-09T23:51:48Z |
| format | Article |
| id | doaj.art-9df4037bfb34475397b94bae3db5e26e |
| institution | Directory Open Access Journal |
| issn | 2673-4117 |
| language | English |
| last_indexed | 2024-03-09T23:51:48Z |
| publishDate | 2022-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Eng |
| spelling | doaj.art-9df4037bfb34475397b94bae3db5e26e2023-11-23T16:32:19ZengMDPI AGEng2673-41172022-03-013219620610.3390/eng3020015Vector Diagram: How to Get More Useful Information from Hydraulic Unit MonitoringEvgeniia Georgievskaia0Center of Design and Technological Innovation LLC, 197376 Saint-Petersburg, RussiaThe development of an effective hydraulic unit (HU) diagnostic system, which recognizes critical fault at an early stage of their development, is a relevant and practically important objective for many hydroelectric power plants (HPP). The main trends in recent years in this area are the expansion of the hardware base and the introduction of digital technologies to handle the increasing flow of data monitoring. At the same time, much less attention is paid to the improvement of algorithms for potential defect recognition and the creation of new diagnostic rules; much of the monitoring data are used only for the trend construction, and do not participate in the diagnosis. The method of vector diagrams is proposed for estimating actual forces applied towards the support joints of an HU: each mode of operation is represented on a phase plane in the form of a vector proportional to the vibration displacement. The vector difference determines the actual forces of mechanical, electromagnetic and hydraulic origin in each operating mode, taking into account the individual characteristics of the HU. The example of vector diagram analysis shows how to obtain more useful information about the technical status of the unit from the same amount of basic vibration monitoring data, to predict possible deterioration in the operation of the equipment well before the generation of a warning or an alarm signal by the diagnostic system.https://www.mdpi.com/2673-4117/3/2/15hydraulic unitshaft dynamicsrelative vibrationvector diagramvibration monitoringdiagnostics |
| spellingShingle | Evgeniia Georgievskaia Vector Diagram: How to Get More Useful Information from Hydraulic Unit Monitoring Eng hydraulic unit shaft dynamics relative vibration vector diagram vibration monitoring diagnostics |
| title | Vector Diagram: How to Get More Useful Information from Hydraulic Unit Monitoring |
| title_full | Vector Diagram: How to Get More Useful Information from Hydraulic Unit Monitoring |
| title_fullStr | Vector Diagram: How to Get More Useful Information from Hydraulic Unit Monitoring |
| title_full_unstemmed | Vector Diagram: How to Get More Useful Information from Hydraulic Unit Monitoring |
| title_short | Vector Diagram: How to Get More Useful Information from Hydraulic Unit Monitoring |
| title_sort | vector diagram how to get more useful information from hydraulic unit monitoring |
| topic | hydraulic unit shaft dynamics relative vibration vector diagram vibration monitoring diagnostics |
| url | https://www.mdpi.com/2673-4117/3/2/15 |
| work_keys_str_mv | AT evgeniiageorgievskaia vectordiagramhowtogetmoreusefulinformationfromhydraulicunitmonitoring |