Estimation Method of Voltage Sag Frequency Considering Transformer Energization
The inrush current generated by power transformer energization (TE) causes voltage sag of the nearby bus, the typical residual voltage of the voltage sag caused by transformer energization (VSTE) is about 0.7 p.u.--0.9 p.u. and lasts for a longer duration, which may lead to the sensitive equipment t...
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| Veröffentlicht in: | IEEE transactions on power delivery 2021-12, Vol.36 (6), p.3404-3413 |
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| creator | Wang, Ying Li, Shunyi Xiao, Xian-Yong |
| description | The inrush current generated by power transformer energization (TE) causes voltage sag of the nearby bus, the typical residual voltage of the voltage sag caused by transformer energization (VSTE) is about 0.7 p.u.--0.9 p.u. and lasts for a longer duration, which may lead to the sensitive equipment trips. This paper proposes an estimation method of voltage sag frequency considering VSTE. Firstly, based on the maximum entropy method, the residual flux distribution is calculated by considering the relationship between the residual flux and closing angle at the moment of TE. The voltage sag waveform caused by TE is calculated based on the estimation of the probability distribution of residual flux, to evaluate VSTE objectively and comprehensively. Secondly, this paper proposes a non-rectangular voltage sag equivalent frequency statistical method based on multiple magnitude-duration (MMD) function, to avoid the overestimation of voltage sag frequency by the traditional methods. Furthermore, this paper proposes an assessment algorithm of voltage sag frequency. Finally, the simulation of IEEE-30 test system verifies the necessity and correctness of the proposed method. |
| doi_str_mv | 10.1109/TPWRD.2020.3041000 |
| format | Article |
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This paper proposes an estimation method of voltage sag frequency considering VSTE. Firstly, based on the maximum entropy method, the residual flux distribution is calculated by considering the relationship between the residual flux and closing angle at the moment of TE. The voltage sag waveform caused by TE is calculated based on the estimation of the probability distribution of residual flux, to evaluate VSTE objectively and comprehensively. Secondly, this paper proposes a non-rectangular voltage sag equivalent frequency statistical method based on multiple magnitude-duration (MMD) function, to avoid the overestimation of voltage sag frequency by the traditional methods. Furthermore, this paper proposes an assessment algorithm of voltage sag frequency. Finally, the simulation of IEEE-30 test system verifies the necessity and correctness of the proposed method.</description><identifier>ISSN: 0885-8977</identifier><identifier>EISSN: 1937-4208</identifier><identifier>DOI: 10.1109/TPWRD.2020.3041000</identifier><identifier>CODEN: ITPDE5</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Algorithms ; Circuit faults ; Impedance ; Inrush current ; Magnetic flux ; Mathematical analysis ; Maximum entropy method ; multi-stage sag ; non-rectangular voltage sag ; Power quality ; residual flux ; Statistical analysis ; Surge protection ; Surges ; transformer inrush current ; Transformers ; Voltage measurement ; Voltage sag frequency ; Voltage sags ; Waveforms</subject><ispartof>IEEE transactions on power delivery, 2021-12, Vol.36 (6), p.3404-3413</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c295t-622ace637d7b257029e7cee90b5951f6cbc615949db83d00ac50f164385a9f693</citedby><cites>FETCH-LOGICAL-c295t-622ace637d7b257029e7cee90b5951f6cbc615949db83d00ac50f164385a9f693</cites><orcidid>0000-0001-5926-4068 ; 0000-0002-7682-8299</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9272863$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/9272863$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Wang, Ying</creatorcontrib><creatorcontrib>Li, Shunyi</creatorcontrib><creatorcontrib>Xiao, Xian-Yong</creatorcontrib><title>Estimation Method of Voltage Sag Frequency Considering Transformer Energization</title><title>IEEE transactions on power delivery</title><addtitle>TPWRD</addtitle><description>The inrush current generated by power transformer energization (TE) causes voltage sag of the nearby bus, the typical residual voltage of the voltage sag caused by transformer energization (VSTE) is about 0.7 p.u.--0.9 p.u. and lasts for a longer duration, which may lead to the sensitive equipment trips. This paper proposes an estimation method of voltage sag frequency considering VSTE. Firstly, based on the maximum entropy method, the residual flux distribution is calculated by considering the relationship between the residual flux and closing angle at the moment of TE. The voltage sag waveform caused by TE is calculated based on the estimation of the probability distribution of residual flux, to evaluate VSTE objectively and comprehensively. Secondly, this paper proposes a non-rectangular voltage sag equivalent frequency statistical method based on multiple magnitude-duration (MMD) function, to avoid the overestimation of voltage sag frequency by the traditional methods. Furthermore, this paper proposes an assessment algorithm of voltage sag frequency. Finally, the simulation of IEEE-30 test system verifies the necessity and correctness of the proposed method.</description><subject>Algorithms</subject><subject>Circuit faults</subject><subject>Impedance</subject><subject>Inrush current</subject><subject>Magnetic flux</subject><subject>Mathematical analysis</subject><subject>Maximum entropy method</subject><subject>multi-stage sag</subject><subject>non-rectangular voltage sag</subject><subject>Power quality</subject><subject>residual flux</subject><subject>Statistical analysis</subject><subject>Surge protection</subject><subject>Surges</subject><subject>transformer inrush current</subject><subject>Transformers</subject><subject>Voltage measurement</subject><subject>Voltage sag frequency</subject><subject>Voltage sags</subject><subject>Waveforms</subject><issn>0885-8977</issn><issn>1937-4208</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kMtOwzAQRS0EEqXwA7CxxDplbMevJSotIBUVQYGl5ThOSdXGxU4X5etJH2I1m3PvzByErgkMCAF9N3v9ensYUKAwYJATADhBPaKZzHIK6hT1QCmeKS3lObpIadEBOWjooekotfXKtnVo8Itvv0OJQ4U_w7K1c4_f7RyPo__Z-MZt8TA0qS59rJs5nkXbpCrElY941Pg4r3_3JZforLLL5K-Os48-xqPZ8CmbTB-fh_eTzFHN20xQap0XTJayoFwC1V467zUUXHNSCVc4QbjOdVkoVgJYx6EiImeKW10Jzfro9tC7jqE7L7VmETax6VYaKqAjuSKio-iBcjGkFH1l1rH7Nm4NAbMTZ_bizE6cOYrrQjeHUO29_w9oKqkSjP0Bvhlpyw</recordid><startdate>20211201</startdate><enddate>20211201</enddate><creator>Wang, Ying</creator><creator>Li, Shunyi</creator><creator>Xiao, Xian-Yong</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><orcidid>https://orcid.org/0000-0001-5926-4068</orcidid><orcidid>https://orcid.org/0000-0002-7682-8299</orcidid></search><sort><creationdate>20211201</creationdate><title>Estimation Method of Voltage Sag Frequency Considering Transformer Energization</title><author>Wang, Ying ; Li, Shunyi ; Xiao, Xian-Yong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c295t-622ace637d7b257029e7cee90b5951f6cbc615949db83d00ac50f164385a9f693</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Algorithms</topic><topic>Circuit faults</topic><topic>Impedance</topic><topic>Inrush current</topic><topic>Magnetic flux</topic><topic>Mathematical analysis</topic><topic>Maximum entropy method</topic><topic>multi-stage sag</topic><topic>non-rectangular voltage sag</topic><topic>Power quality</topic><topic>residual flux</topic><topic>Statistical analysis</topic><topic>Surge protection</topic><topic>Surges</topic><topic>transformer inrush current</topic><topic>Transformers</topic><topic>Voltage measurement</topic><topic>Voltage sag frequency</topic><topic>Voltage sags</topic><topic>Waveforms</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Ying</creatorcontrib><creatorcontrib>Li, Shunyi</creatorcontrib><creatorcontrib>Xiao, Xian-Yong</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><jtitle>IEEE transactions on power delivery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Wang, Ying</au><au>Li, Shunyi</au><au>Xiao, Xian-Yong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Estimation Method of Voltage Sag Frequency Considering Transformer Energization</atitle><jtitle>IEEE transactions on power delivery</jtitle><stitle>TPWRD</stitle><date>2021-12-01</date><risdate>2021</risdate><volume>36</volume><issue>6</issue><spage>3404</spage><epage>3413</epage><pages>3404-3413</pages><issn>0885-8977</issn><eissn>1937-4208</eissn><coden>ITPDE5</coden><abstract>The inrush current generated by power transformer energization (TE) causes voltage sag of the nearby bus, the typical residual voltage of the voltage sag caused by transformer energization (VSTE) is about 0.7 p.u.--0.9 p.u. and lasts for a longer duration, which may lead to the sensitive equipment trips. This paper proposes an estimation method of voltage sag frequency considering VSTE. Firstly, based on the maximum entropy method, the residual flux distribution is calculated by considering the relationship between the residual flux and closing angle at the moment of TE. The voltage sag waveform caused by TE is calculated based on the estimation of the probability distribution of residual flux, to evaluate VSTE objectively and comprehensively. Secondly, this paper proposes a non-rectangular voltage sag equivalent frequency statistical method based on multiple magnitude-duration (MMD) function, to avoid the overestimation of voltage sag frequency by the traditional methods. Furthermore, this paper proposes an assessment algorithm of voltage sag frequency. Finally, the simulation of IEEE-30 test system verifies the necessity and correctness of the proposed method.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TPWRD.2020.3041000</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0001-5926-4068</orcidid><orcidid>https://orcid.org/0000-0002-7682-8299</orcidid></addata></record> |
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| subjects | Algorithms Circuit faults Impedance Inrush current Magnetic flux Mathematical analysis Maximum entropy method multi-stage sag non-rectangular voltage sag Power quality residual flux Statistical analysis Surge protection Surges transformer inrush current Transformers Voltage measurement Voltage sag frequency Voltage sags Waveforms |
| title | Estimation Method of Voltage Sag Frequency Considering Transformer Energization |
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