Interpretation of Transformer FRA Responses- Part I: Influence of Winding Structure
Frequency-response analysis (FRA) has been accepted as one of the most sensitive tools to detect mechanical faults of power transformers. Correct interpretation of FRA responses is crucial when assessing the integrity of a transformer. Transformer FRA responses have distinctive frequency regions whi...
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| Veröffentlicht in: | IEEE transactions on power delivery 2009-04, Vol.24 (2), p.703-710 |
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| creator | Zhongdong Wang Jie Li Sofian, D.M. |
| description | Frequency-response analysis (FRA) has been accepted as one of the most sensitive tools to detect mechanical faults of power transformers. Correct interpretation of FRA responses is crucial when assessing the integrity of a transformer. Transformer FRA responses have distinctive frequency regions which are predominated by core, windings, and measuring setup. This paper addresses one of the major factors that affect the FRA responses: the winding structure itself. In terms of the structures of single winding, they can be categorized into windings with either high- or low-series capacitance in proportion to the shunt capacitance. Correspondingly, the FRA responses of windings of high series capacitance exhibit the increasing trend of magnitude, while windings of low series capacitance display a steady magnitude trend with the features of resonances and quasi-antiresonances or antiresonances. For a winding made of two concentric winding coils, the pattern of alternating resonances and antiresonances would be exhibited on its FRA response. |
| doi_str_mv | 10.1109/TPWRD.2009.2014485 |
| format | Article |
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Correct interpretation of FRA responses is crucial when assessing the integrity of a transformer. Transformer FRA responses have distinctive frequency regions which are predominated by core, windings, and measuring setup. This paper addresses one of the major factors that affect the FRA responses: the winding structure itself. In terms of the structures of single winding, they can be categorized into windings with either high- or low-series capacitance in proportion to the shunt capacitance. Correspondingly, the FRA responses of windings of high series capacitance exhibit the increasing trend of magnitude, while windings of low series capacitance display a steady magnitude trend with the features of resonances and quasi-antiresonances or antiresonances. For a winding made of two concentric winding coils, the pattern of alternating resonances and antiresonances would be exhibited on its FRA response.</description><identifier>ISSN: 0885-8977</identifier><identifier>EISSN: 1937-4208</identifier><identifier>DOI: 10.1109/TPWRD.2009.2014485</identifier><identifier>CODEN: ITPDE5</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Capacitance ; Diagnosis ; Electrical engineering. Electrical power engineering ; Exact sciences and technology ; Frequency conversion ; Frequency measurement ; frequency-response analysis (FRA) ; Impedance measurement ; interpretation ; Length measurement ; Power electronics, power supplies ; Power transformers ; Resonance ; Shape ; Testing. Reliability. 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Correct interpretation of FRA responses is crucial when assessing the integrity of a transformer. Transformer FRA responses have distinctive frequency regions which are predominated by core, windings, and measuring setup. This paper addresses one of the major factors that affect the FRA responses: the winding structure itself. In terms of the structures of single winding, they can be categorized into windings with either high- or low-series capacitance in proportion to the shunt capacitance. Correspondingly, the FRA responses of windings of high series capacitance exhibit the increasing trend of magnitude, while windings of low series capacitance display a steady magnitude trend with the features of resonances and quasi-antiresonances or antiresonances. For a winding made of two concentric winding coils, the pattern of alternating resonances and antiresonances would be exhibited on its FRA response.</description><subject>Applied sciences</subject><subject>Capacitance</subject><subject>Diagnosis</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Exact sciences and technology</subject><subject>Frequency conversion</subject><subject>Frequency measurement</subject><subject>frequency-response analysis (FRA)</subject><subject>Impedance measurement</subject><subject>interpretation</subject><subject>Length measurement</subject><subject>Power electronics, power supplies</subject><subject>Power transformers</subject><subject>Resonance</subject><subject>Shape</subject><subject>Testing. Reliability. Quality control</subject><subject>Transformer cores</subject><subject>Transformers and inductors</subject><subject>US Department of Transportation</subject><issn>0885-8977</issn><issn>1937-4208</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp90cFO4zAQBmBrBdIW2BfYvURIsKfA2GPHNrcKFqiEBCpdcbQSd4KCUqfYyYG3J6UVBw5cxof5ZqTxz9hvDmecgz1fPDzNr84EgB0Ll9KoH2zCLepcCjB7bALGqNxYrX-yg5ReAECChQl7nIWe4jpSX_ZNF7KuzhaxDKnu4opidj2fZnNK6y4kSnn2UMY-m11ks1C3AwVPG__UhGUTnrPHPg6-HyIdsf26bBP92r2H7P_1v8XlbX53fzO7nN7lHo3ucyULg8ZUmsRyqRE8cUVWaW95NfYKEEIWBCisQiSJGqjSsqqkqH0lhMFD9ne7dx2714FS71ZN8tS2ZaBuSM4CFghK6lGefitRSiy4KkZ4_AW-dEMM4xXOKKOtLQo7IrFFPnYpRardOjarMr45Dm4Th_uIw23icLs4xqGT3eYy-bKtx0_2TfqcFBwVWr5xf7auIaLPtjSAWiC-A40ekSY</recordid><startdate>20090401</startdate><enddate>20090401</enddate><creator>Zhongdong Wang</creator><creator>Jie Li</creator><creator>Sofian, D.M.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope><scope>F28</scope></search><sort><creationdate>20090401</creationdate><title>Interpretation of Transformer FRA Responses- Part I: Influence of Winding Structure</title><author>Zhongdong Wang ; Jie Li ; Sofian, D.M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c387t-5468388b7e2dd730ce15e957c91b546602246e0329533e4370eb74bb42fcb2283</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Applied sciences</topic><topic>Capacitance</topic><topic>Diagnosis</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Exact sciences and technology</topic><topic>Frequency conversion</topic><topic>Frequency measurement</topic><topic>frequency-response analysis (FRA)</topic><topic>Impedance measurement</topic><topic>interpretation</topic><topic>Length measurement</topic><topic>Power electronics, power supplies</topic><topic>Power transformers</topic><topic>Resonance</topic><topic>Shape</topic><topic>Testing. Reliability. Quality control</topic><topic>Transformer cores</topic><topic>Transformers and inductors</topic><topic>US Department of Transportation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhongdong Wang</creatorcontrib><creatorcontrib>Jie Li</creatorcontrib><creatorcontrib>Sofian, D.M.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><jtitle>IEEE transactions on power delivery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Zhongdong Wang</au><au>Jie Li</au><au>Sofian, D.M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Interpretation of Transformer FRA Responses- Part I: Influence of Winding Structure</atitle><jtitle>IEEE transactions on power delivery</jtitle><stitle>TPWRD</stitle><date>2009-04-01</date><risdate>2009</risdate><volume>24</volume><issue>2</issue><spage>703</spage><epage>710</epage><pages>703-710</pages><issn>0885-8977</issn><eissn>1937-4208</eissn><coden>ITPDE5</coden><abstract>Frequency-response analysis (FRA) has been accepted as one of the most sensitive tools to detect mechanical faults of power transformers. Correct interpretation of FRA responses is crucial when assessing the integrity of a transformer. Transformer FRA responses have distinctive frequency regions which are predominated by core, windings, and measuring setup. This paper addresses one of the major factors that affect the FRA responses: the winding structure itself. In terms of the structures of single winding, they can be categorized into windings with either high- or low-series capacitance in proportion to the shunt capacitance. Correspondingly, the FRA responses of windings of high series capacitance exhibit the increasing trend of magnitude, while windings of low series capacitance display a steady magnitude trend with the features of resonances and quasi-antiresonances or antiresonances. For a winding made of two concentric winding coils, the pattern of alternating resonances and antiresonances would be exhibited on its FRA response.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TPWRD.2009.2014485</doi><tpages>8</tpages></addata></record> |
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| subjects | Applied sciences Capacitance Diagnosis Electrical engineering. Electrical power engineering Exact sciences and technology Frequency conversion Frequency measurement frequency-response analysis (FRA) Impedance measurement interpretation Length measurement Power electronics, power supplies Power transformers Resonance Shape Testing. Reliability. Quality control Transformer cores Transformers and inductors US Department of Transportation |
| title | Interpretation of Transformer FRA Responses- Part I: Influence of Winding Structure |
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