Novel optimal control strategy for power fluctuation and current harmonic suppression of a three-phase photovoltaic inverter under unbalanced grid faults
Summary Under unbalanced grid faults, the output currents of a photovoltaic (PV) system injected into the grid lose their sinusoidal and balanced appearance. The interaction between such unbalanced currents and voltages leads to fluctuations in active and reactive powers. This study investigates the...
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| Veröffentlicht in: | International transactions on electrical energy systems 2016-05, Vol.26 (5), p.1049-1065 |
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| container_issue | 5 |
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| container_title | International transactions on electrical energy systems |
| container_volume | 26 |
| creator | Zhou, Niancheng Ye, Ling Lou, Xiaoxuan Wang, Qianggang |
| description | Summary
Under unbalanced grid faults, the output currents of a photovoltaic (PV) system injected into the grid lose their sinusoidal and balanced appearance. The interaction between such unbalanced currents and voltages leads to fluctuations in active and reactive powers. This study investigates the instantaneous output power characteristics of a PV inverter and its flexible power control strategy under unbalanced grid faults. A new optimal parameter model of power control is established to generate minimal integrated power fluctuations under the constraint of harmonic distortion in the output current. Finally, the optimal power control of the PV inverter based on dead beat current tracking is realized. The feasibility of the proposed control strategy is verified with the power system transient software PSCAD/EMTDC. Copyright © 2015 John Wiley & Sons, Ltd. |
| doi_str_mv | 10.1002/etep.2124 |
| format | Article |
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Under unbalanced grid faults, the output currents of a photovoltaic (PV) system injected into the grid lose their sinusoidal and balanced appearance. The interaction between such unbalanced currents and voltages leads to fluctuations in active and reactive powers. This study investigates the instantaneous output power characteristics of a PV inverter and its flexible power control strategy under unbalanced grid faults. A new optimal parameter model of power control is established to generate minimal integrated power fluctuations under the constraint of harmonic distortion in the output current. Finally, the optimal power control of the PV inverter based on dead beat current tracking is realized. The feasibility of the proposed control strategy is verified with the power system transient software PSCAD/EMTDC. Copyright © 2015 John Wiley & Sons, Ltd.</description><identifier>ISSN: 2050-7038</identifier><identifier>EISSN: 2050-7038</identifier><identifier>DOI: 10.1002/etep.2124</identifier><language>eng</language><publisher>Hoboken: Blackwell Publishing Ltd</publisher><subject>Control systems ; current harmonics ; distribution grid ; Faults ; Fluctuations ; Harmonic distortion ; Inverters ; Optimal control ; Photovoltaic cells ; Photovoltaic inverter ; Photovoltaics ; Power control ; Unbalance ; unbalanced grid fault</subject><ispartof>International transactions on electrical energy systems, 2016-05, Vol.26 (5), p.1049-1065</ispartof><rights>Copyright © 2015 John Wiley & Sons, Ltd.</rights><rights>Copyright © 2016 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3644-cedeb3866f67bd09f1df2a08deded4829dfab08ba3d0e7bc4e8b4f00de3fe1e23</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fetep.2124$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fetep.2124$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Zhou, Niancheng</creatorcontrib><creatorcontrib>Ye, Ling</creatorcontrib><creatorcontrib>Lou, Xiaoxuan</creatorcontrib><creatorcontrib>Wang, Qianggang</creatorcontrib><title>Novel optimal control strategy for power fluctuation and current harmonic suppression of a three-phase photovoltaic inverter under unbalanced grid faults</title><title>International transactions on electrical energy systems</title><addtitle>Int. Trans. Electr. Energ. Syst</addtitle><description>Summary
Under unbalanced grid faults, the output currents of a photovoltaic (PV) system injected into the grid lose their sinusoidal and balanced appearance. The interaction between such unbalanced currents and voltages leads to fluctuations in active and reactive powers. This study investigates the instantaneous output power characteristics of a PV inverter and its flexible power control strategy under unbalanced grid faults. A new optimal parameter model of power control is established to generate minimal integrated power fluctuations under the constraint of harmonic distortion in the output current. Finally, the optimal power control of the PV inverter based on dead beat current tracking is realized. The feasibility of the proposed control strategy is verified with the power system transient software PSCAD/EMTDC. Copyright © 2015 John Wiley & Sons, Ltd.</description><subject>Control systems</subject><subject>current harmonics</subject><subject>distribution grid</subject><subject>Faults</subject><subject>Fluctuations</subject><subject>Harmonic distortion</subject><subject>Inverters</subject><subject>Optimal control</subject><subject>Photovoltaic cells</subject><subject>Photovoltaic inverter</subject><subject>Photovoltaics</subject><subject>Power control</subject><subject>Unbalance</subject><subject>unbalanced grid fault</subject><issn>2050-7038</issn><issn>2050-7038</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp9kc9qHDEMxofSQEOSQ9_A0PMk8p8dzx7bZZsEQhLKhvZmPGM5O6lju7Znk32Uvm1nuqX0VB0kIX6fBPqq6j2FcwrALrBgPGeUiTfVMYMF1BJ4-_af_l11lvMTTLEUlMr2uPp5G3boSIhleNaO9MGXFBzJJemCj3tiQyIxvGAi1o19GXUZgifaG9KPKaEvZKvTc_BDT_IYY8KcZyBYoknZJsQ6bnVGErehhF1wRU_k4HeYyrRz9OZ37rTTvkdDHtNgiNWjK_m0OrLaZTz7U0-qh8_rzeqqvrm7vF59vKl73ghRTyrseNs0tpGdgaWlxjINrZnmRrRsaazuoO00N4Cy6wW2nbAABrlFioyfVB8Oe2MKP0bMRT2FMfnppKJL4ACC8cV_Kdk2kkkBM3VxoF4Gh3sV0_TUtFcU1OyPmv1Rsz9qvVnfz82kqA-KIRd8_avQ6btqJJcL9fX2Uq0W918-fWs2SvBfATqZgg</recordid><startdate>201605</startdate><enddate>201605</enddate><creator>Zhou, Niancheng</creator><creator>Ye, Ling</creator><creator>Lou, Xiaoxuan</creator><creator>Wang, Qianggang</creator><general>Blackwell Publishing Ltd</general><general>Hindawi Limited</general><scope>BSCLL</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>201605</creationdate><title>Novel optimal control strategy for power fluctuation and current harmonic suppression of a three-phase photovoltaic inverter under unbalanced grid faults</title><author>Zhou, Niancheng ; Ye, Ling ; Lou, Xiaoxuan ; Wang, Qianggang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3644-cedeb3866f67bd09f1df2a08deded4829dfab08ba3d0e7bc4e8b4f00de3fe1e23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Control systems</topic><topic>current harmonics</topic><topic>distribution grid</topic><topic>Faults</topic><topic>Fluctuations</topic><topic>Harmonic distortion</topic><topic>Inverters</topic><topic>Optimal control</topic><topic>Photovoltaic cells</topic><topic>Photovoltaic inverter</topic><topic>Photovoltaics</topic><topic>Power control</topic><topic>Unbalance</topic><topic>unbalanced grid fault</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhou, Niancheng</creatorcontrib><creatorcontrib>Ye, Ling</creatorcontrib><creatorcontrib>Lou, Xiaoxuan</creatorcontrib><creatorcontrib>Wang, Qianggang</creatorcontrib><collection>Istex</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>International transactions on electrical energy systems</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhou, Niancheng</au><au>Ye, Ling</au><au>Lou, Xiaoxuan</au><au>Wang, Qianggang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Novel optimal control strategy for power fluctuation and current harmonic suppression of a three-phase photovoltaic inverter under unbalanced grid faults</atitle><jtitle>International transactions on electrical energy systems</jtitle><addtitle>Int. Trans. Electr. Energ. Syst</addtitle><date>2016-05</date><risdate>2016</risdate><volume>26</volume><issue>5</issue><spage>1049</spage><epage>1065</epage><pages>1049-1065</pages><issn>2050-7038</issn><eissn>2050-7038</eissn><abstract>Summary
Under unbalanced grid faults, the output currents of a photovoltaic (PV) system injected into the grid lose their sinusoidal and balanced appearance. The interaction between such unbalanced currents and voltages leads to fluctuations in active and reactive powers. This study investigates the instantaneous output power characteristics of a PV inverter and its flexible power control strategy under unbalanced grid faults. A new optimal parameter model of power control is established to generate minimal integrated power fluctuations under the constraint of harmonic distortion in the output current. Finally, the optimal power control of the PV inverter based on dead beat current tracking is realized. The feasibility of the proposed control strategy is verified with the power system transient software PSCAD/EMTDC. Copyright © 2015 John Wiley & Sons, Ltd.</abstract><cop>Hoboken</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/etep.2124</doi><tpages>17</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | International transactions on electrical energy systems, 2016-05, Vol.26 (5), p.1049-1065 |
| issn | 2050-7038 2050-7038 |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Control systems current harmonics distribution grid Faults Fluctuations Harmonic distortion Inverters Optimal control Photovoltaic cells Photovoltaic inverter Photovoltaics Power control Unbalance unbalanced grid fault |
| title | Novel optimal control strategy for power fluctuation and current harmonic suppression of a three-phase photovoltaic inverter under unbalanced grid faults |
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