Current-Transformer Saturation Compensation for Transformer Differential Relays
Current-transformer (CT) saturation threatens accurate discrimination between internal fault current and magnetizing inrush current of a transformer and endangers the proper operation of a differential relay. Thus, compensation of CT saturation could substantially improve the performance and securit...
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| Veröffentlicht in: | IEEE transactions on power delivery 2015-10, Vol.30 (5), p.2293-2302 |
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| container_title | IEEE transactions on power delivery |
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| creator | Hajipour, Ehsan Vakilian, Mehdi Sanaye-Pasand, Majid |
| description | Current-transformer (CT) saturation threatens accurate discrimination between internal fault current and magnetizing inrush current of a transformer and endangers the proper operation of a differential relay. Thus, compensation of CT saturation could substantially improve the performance and security of transformer differential relays. So far, almost all of the technical literature in this field has focused exclusively on fault current compensation. However, this paper proposes an efficient compensation algorithm to reconstruct the fault and inrush currents which are distorted by CT saturation. Some of the attractive features of the proposed method are its accuracy, fast response time, desired sample-by-sample output, no dependency on power system topology, immunity against noise and harmonics, and its simplicity. These features are extracted through the application of numerous test cases reflecting a wide range of variations in fault and inrush currents. The proposed algorithm proves to be fast, accurate, and reliable. |
| doi_str_mv | 10.1109/TPWRD.2015.2411736 |
| format | Article |
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Thus, compensation of CT saturation could substantially improve the performance and security of transformer differential relays. So far, almost all of the technical literature in this field has focused exclusively on fault current compensation. However, this paper proposes an efficient compensation algorithm to reconstruct the fault and inrush currents which are distorted by CT saturation. Some of the attractive features of the proposed method are its accuracy, fast response time, desired sample-by-sample output, no dependency on power system topology, immunity against noise and harmonics, and its simplicity. These features are extracted through the application of numerous test cases reflecting a wide range of variations in fault and inrush currents. The proposed algorithm proves to be fast, accurate, and reliable.</description><identifier>ISSN: 0885-8977</identifier><identifier>EISSN: 1937-4208</identifier><identifier>DOI: 10.1109/TPWRD.2015.2411736</identifier><identifier>CODEN: ITPDE5</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Algorithms ; Circuit faults ; Compensation ; Current transformer (CT) ; Current transformers ; Distortion ; fault current ; Fault currents ; Faults ; Feature extraction ; Inrush current ; Magnetic cores ; Power supply ; Saturation ; Saturation magnetization ; signal compensation ; Surge protection ; Surges ; Transformers</subject><ispartof>IEEE transactions on power delivery, 2015-10, Vol.30 (5), p.2293-2302</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Oct 2015</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-9efc1924a962a8dd0d56b0f393fe41f4545f11c59503a991e94d97b92a9025bd3</citedby><cites>FETCH-LOGICAL-c328t-9efc1924a962a8dd0d56b0f393fe41f4545f11c59503a991e94d97b92a9025bd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7057675$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/7057675$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Hajipour, Ehsan</creatorcontrib><creatorcontrib>Vakilian, Mehdi</creatorcontrib><creatorcontrib>Sanaye-Pasand, Majid</creatorcontrib><title>Current-Transformer Saturation Compensation for Transformer Differential Relays</title><title>IEEE transactions on power delivery</title><addtitle>TPWRD</addtitle><description>Current-transformer (CT) saturation threatens accurate discrimination between internal fault current and magnetizing inrush current of a transformer and endangers the proper operation of a differential relay. Thus, compensation of CT saturation could substantially improve the performance and security of transformer differential relays. So far, almost all of the technical literature in this field has focused exclusively on fault current compensation. However, this paper proposes an efficient compensation algorithm to reconstruct the fault and inrush currents which are distorted by CT saturation. Some of the attractive features of the proposed method are its accuracy, fast response time, desired sample-by-sample output, no dependency on power system topology, immunity against noise and harmonics, and its simplicity. These features are extracted through the application of numerous test cases reflecting a wide range of variations in fault and inrush currents. The proposed algorithm proves to be fast, accurate, and reliable.</description><subject>Algorithms</subject><subject>Circuit faults</subject><subject>Compensation</subject><subject>Current transformer (CT)</subject><subject>Current transformers</subject><subject>Distortion</subject><subject>fault current</subject><subject>Fault currents</subject><subject>Faults</subject><subject>Feature extraction</subject><subject>Inrush current</subject><subject>Magnetic cores</subject><subject>Power supply</subject><subject>Saturation</subject><subject>Saturation magnetization</subject><subject>signal compensation</subject><subject>Surge protection</subject><subject>Surges</subject><subject>Transformers</subject><issn>0885-8977</issn><issn>1937-4208</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkE1Lw0AQhhdRsFb_gF4CXrykzn5ls0dJ_YJCpVY8hm0yCyn5qLvJof_erSkinoZhnvdleAi5pjCjFPT9-u1zNZ8xoHLGBKWKJydkQjVXsWCQnpIJpKmMU63UObnwfgsAAjRMyDIbnMO2j9fOtN52rkEXvZt-cKavujbKumaHrR-XcI7-cvPKWjykK1NHK6zN3l-SM2tqj1fHOSUfT4_r7CVeLJ9fs4dFXHCW9rFGW1DNhNEJM2lZQimTDViuuUVBrZBCWkoLqSVwozVFLUqtNpoZDUxuSj4ld2PvznVfA_o-bypfYF2bFrvB51QlDFRwoQJ6-w_ddoNrw3eBogrS0C8CxUaqcJ33Dm2-c1Vj3D6nkB8c5z-O84Pj_Og4hG7GUIWIvwEFUiVK8m81j3hc</recordid><startdate>20151001</startdate><enddate>20151001</enddate><creator>Hajipour, Ehsan</creator><creator>Vakilian, Mehdi</creator><creator>Sanaye-Pasand, Majid</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</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>20151001</creationdate><title>Current-Transformer Saturation Compensation for Transformer Differential Relays</title><author>Hajipour, Ehsan ; Vakilian, Mehdi ; Sanaye-Pasand, Majid</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-9efc1924a962a8dd0d56b0f393fe41f4545f11c59503a991e94d97b92a9025bd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Algorithms</topic><topic>Circuit faults</topic><topic>Compensation</topic><topic>Current transformer (CT)</topic><topic>Current transformers</topic><topic>Distortion</topic><topic>fault current</topic><topic>Fault currents</topic><topic>Faults</topic><topic>Feature extraction</topic><topic>Inrush current</topic><topic>Magnetic cores</topic><topic>Power supply</topic><topic>Saturation</topic><topic>Saturation magnetization</topic><topic>signal compensation</topic><topic>Surge protection</topic><topic>Surges</topic><topic>Transformers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hajipour, Ehsan</creatorcontrib><creatorcontrib>Vakilian, Mehdi</creatorcontrib><creatorcontrib>Sanaye-Pasand, Majid</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>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>Hajipour, Ehsan</au><au>Vakilian, Mehdi</au><au>Sanaye-Pasand, Majid</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Current-Transformer Saturation Compensation for Transformer Differential Relays</atitle><jtitle>IEEE transactions on power delivery</jtitle><stitle>TPWRD</stitle><date>2015-10-01</date><risdate>2015</risdate><volume>30</volume><issue>5</issue><spage>2293</spage><epage>2302</epage><pages>2293-2302</pages><issn>0885-8977</issn><eissn>1937-4208</eissn><coden>ITPDE5</coden><abstract>Current-transformer (CT) saturation threatens accurate discrimination between internal fault current and magnetizing inrush current of a transformer and endangers the proper operation of a differential relay. Thus, compensation of CT saturation could substantially improve the performance and security of transformer differential relays. So far, almost all of the technical literature in this field has focused exclusively on fault current compensation. However, this paper proposes an efficient compensation algorithm to reconstruct the fault and inrush currents which are distorted by CT saturation. Some of the attractive features of the proposed method are its accuracy, fast response time, desired sample-by-sample output, no dependency on power system topology, immunity against noise and harmonics, and its simplicity. These features are extracted through the application of numerous test cases reflecting a wide range of variations in fault and inrush currents. The proposed algorithm proves to be fast, accurate, and reliable.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TPWRD.2015.2411736</doi><tpages>10</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Algorithms Circuit faults Compensation Current transformer (CT) Current transformers Distortion fault current Fault currents Faults Feature extraction Inrush current Magnetic cores Power supply Saturation Saturation magnetization signal compensation Surge protection Surges Transformers |
| title | Current-Transformer Saturation Compensation for Transformer Differential Relays |
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