2-Pole turbo-generator eccentricity diagnosis by split-phase current signature analysis
2-Pole turbogenerators are usually very high power round-rotor synchronous machines used in generating plants. Turbogenerator monitoring is crucial, especially in nuclear plants. Very long turbogenerator rotors experience excessive run-out due to thermal, mechanical, and magnetic unbalances, resonan...
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| creator | Bruzzese, Claudio |
| description | 2-Pole turbogenerators are usually very high power round-rotor synchronous machines used in generating plants. Turbogenerator monitoring is crucial, especially in nuclear plants. Very long turbogenerator rotors experience excessive run-out due to thermal, mechanical, and magnetic unbalances, resonances, etc. The rotor eccentricity causes vibrations and winding and frame loosening. Since the stators of turbogenerators are often parallel-connected for maximum power output rating, the rotor eccentricities also make rise unbalances in the split-phase currents. This paper resorts to the split-phase current monitoring for detection and estimation of rotor eccentricities. A method is proposed, based on a special theoretical analysis of 2-pole round-rotor machines, through symmetrical components. Time-stepping finite-elements are used for confirmatory simulations of a 500MVA machine. |
| doi_str_mv | 10.1109/DEMPED.2013.6645739 |
| format | Conference Proceeding |
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Turbogenerator monitoring is crucial, especially in nuclear plants. Very long turbogenerator rotors experience excessive run-out due to thermal, mechanical, and magnetic unbalances, resonances, etc. The rotor eccentricity causes vibrations and winding and frame loosening. Since the stators of turbogenerators are often parallel-connected for maximum power output rating, the rotor eccentricities also make rise unbalances in the split-phase currents. This paper resorts to the split-phase current monitoring for detection and estimation of rotor eccentricities. A method is proposed, based on a special theoretical analysis of 2-pole round-rotor machines, through symmetrical components. Time-stepping finite-elements are used for confirmatory simulations of a 500MVA machine.</description><identifier>EISBN: 1479900257</identifier><identifier>EISBN: 9781479900251</identifier><identifier>DOI: 10.1109/DEMPED.2013.6645739</identifier><language>eng</language><publisher>IEEE</publisher><subject>Analysis current ; Atmospheric modeling ; diagnosis ; eccentricity ; FFT ; monitoring ; rotor ; Rotors ; split-phase ; Stators ; turbogenerator ; Turbogenerators ; Vectors ; Vibrations ; winding ; Windings</subject><ispartof>2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives (SDEMPED), 2013, p.349-357</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/6645739$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,780,784,789,790,2058,27925,54920</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/6645739$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Bruzzese, Claudio</creatorcontrib><title>2-Pole turbo-generator eccentricity diagnosis by split-phase current signature analysis</title><title>2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives (SDEMPED)</title><addtitle>DEMPED</addtitle><description>2-Pole turbogenerators are usually very high power round-rotor synchronous machines used in generating plants. Turbogenerator monitoring is crucial, especially in nuclear plants. Very long turbogenerator rotors experience excessive run-out due to thermal, mechanical, and magnetic unbalances, resonances, etc. The rotor eccentricity causes vibrations and winding and frame loosening. Since the stators of turbogenerators are often parallel-connected for maximum power output rating, the rotor eccentricities also make rise unbalances in the split-phase currents. This paper resorts to the split-phase current monitoring for detection and estimation of rotor eccentricities. A method is proposed, based on a special theoretical analysis of 2-pole round-rotor machines, through symmetrical components. Time-stepping finite-elements are used for confirmatory simulations of a 500MVA machine.</description><subject>Analysis current</subject><subject>Atmospheric modeling</subject><subject>diagnosis</subject><subject>eccentricity</subject><subject>FFT</subject><subject>monitoring</subject><subject>rotor</subject><subject>Rotors</subject><subject>split-phase</subject><subject>Stators</subject><subject>turbogenerator</subject><subject>Turbogenerators</subject><subject>Vectors</subject><subject>Vibrations</subject><subject>winding</subject><subject>Windings</subject><isbn>1479900257</isbn><isbn>9781479900251</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2013</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNotj71OwzAURs2ABJQ-QRe_gMP1T-J4RG35kYroAGKsbpybYBSSyE6HvD2R6PQtR0fnY2wjIZMS3MNu_3bc7zIFUmdFYXKr3RW7k8Y6B6Bye8PWKf0AgLRWAuhb9qXEceiIT-dYDaKlniJOQ-TkPfVTDD5MM68Dtv2QQuLVzNPYhUmM35iI-3OMC8ZTaHtcFMSxx25eyHt23WCXaH3ZFft82n9sX8Th_fl1-3gQQdp8EqrRSpMsHBpbVnVeOnDN0m18U-qylmAc5E1tc1TWKEANCOCo8hUhlq7RK7b59wYiOo0x_GKcT5fv-g_MCFEu</recordid><startdate>201308</startdate><enddate>201308</enddate><creator>Bruzzese, Claudio</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>201308</creationdate><title>2-Pole turbo-generator eccentricity diagnosis by split-phase current signature analysis</title><author>Bruzzese, Claudio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i175t-2f323e169a478bd58909f4574cf838d104905fd75a27420a30a009ebcbeaa89f3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Analysis current</topic><topic>Atmospheric modeling</topic><topic>diagnosis</topic><topic>eccentricity</topic><topic>FFT</topic><topic>monitoring</topic><topic>rotor</topic><topic>Rotors</topic><topic>split-phase</topic><topic>Stators</topic><topic>turbogenerator</topic><topic>Turbogenerators</topic><topic>Vectors</topic><topic>Vibrations</topic><topic>winding</topic><topic>Windings</topic><toplevel>online_resources</toplevel><creatorcontrib>Bruzzese, Claudio</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Bruzzese, Claudio</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>2-Pole turbo-generator eccentricity diagnosis by split-phase current signature analysis</atitle><btitle>2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives (SDEMPED)</btitle><stitle>DEMPED</stitle><date>2013-08</date><risdate>2013</risdate><spage>349</spage><epage>357</epage><pages>349-357</pages><eisbn>1479900257</eisbn><eisbn>9781479900251</eisbn><abstract>2-Pole turbogenerators are usually very high power round-rotor synchronous machines used in generating plants. Turbogenerator monitoring is crucial, especially in nuclear plants. Very long turbogenerator rotors experience excessive run-out due to thermal, mechanical, and magnetic unbalances, resonances, etc. The rotor eccentricity causes vibrations and winding and frame loosening. Since the stators of turbogenerators are often parallel-connected for maximum power output rating, the rotor eccentricities also make rise unbalances in the split-phase currents. This paper resorts to the split-phase current monitoring for detection and estimation of rotor eccentricities. A method is proposed, based on a special theoretical analysis of 2-pole round-rotor machines, through symmetrical components. Time-stepping finite-elements are used for confirmatory simulations of a 500MVA machine.</abstract><pub>IEEE</pub><doi>10.1109/DEMPED.2013.6645739</doi><tpages>9</tpages></addata></record> |
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| ispartof | 2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives (SDEMPED), 2013, p.349-357 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Analysis current Atmospheric modeling diagnosis eccentricity FFT monitoring rotor Rotors split-phase Stators turbogenerator Turbogenerators Vectors Vibrations winding Windings |
| title | 2-Pole turbo-generator eccentricity diagnosis by split-phase current signature analysis |
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