The Resonance Suppression for Parallel Photovoltaic Grid-connected Inverters in Weak Grid
Obvious resonance peak will be generated when parallel photovoltaic grid-connected inverters are connected to the weak grid with high grid impedance, which seriously affects the stability of grid-connected operation of the photovoltaic system. To overcome the problems mentioned above, the mathematic...
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| Veröffentlicht in: | International journal of automation and computing 2018-12, Vol.15 (6), p.716-727 |
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| creator | Yang, Qiu-Xia Li, Kun Zhao, Cui-Mei Wang, Hu |
| description | Obvious resonance peak will be generated when parallel photovoltaic grid-connected inverters are connected to the weak grid with high grid impedance, which seriously affects the stability of grid-connected operation of the photovoltaic system. To overcome the problems mentioned above, the mathematical model of the parallel photovoltaic inverters is established. Several factors including the impact of the reference current of the grid-connected inverter, the grid voltage interference and the current disturbance between the photovoltaic inverters in parallel with the grid-connected inverters are analyzed. The grid impedance and the LCL filter of the photovoltaic inverter system are found to be the key elements which lead to existence of resonance peak. This paper presents the branch voltage and current double feedback suppression method under the premise of not changing the topological structure of the photovoltaic inverter, which effectively handles the resonance peak, weakens the harmonic content of the grid current of the photovoltaic grid-connected inverter and the voltage at the point of common coupling, and improves the stability of the parallel operation of the photovoltaic grid-connected inverters in weak grid. At last, the simulation model is established to verify the reliability of this suppression method. |
| doi_str_mv | 10.1007/s11633-017-1072-0 |
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To overcome the problems mentioned above, the mathematical model of the parallel photovoltaic inverters is established. Several factors including the impact of the reference current of the grid-connected inverter, the grid voltage interference and the current disturbance between the photovoltaic inverters in parallel with the grid-connected inverters are analyzed. The grid impedance and the LCL filter of the photovoltaic inverter system are found to be the key elements which lead to existence of resonance peak. This paper presents the branch voltage and current double feedback suppression method under the premise of not changing the topological structure of the photovoltaic inverter, which effectively handles the resonance peak, weakens the harmonic content of the grid current of the photovoltaic grid-connected inverter and the voltage at the point of common coupling, and improves the stability of the parallel operation of the photovoltaic grid-connected inverters in weak grid. At last, the simulation model is established to verify the reliability of this suppression method.</description><identifier>ISSN: 1476-8186</identifier><identifier>ISSN: 2153-182X</identifier><identifier>EISSN: 1751-8520</identifier><identifier>EISSN: 2153-1838</identifier><identifier>DOI: 10.1007/s11633-017-1072-0</identifier><language>eng</language><publisher>Beijing: Institute of Automation, Chinese Academy of Sciences</publisher><subject>Alternative energy sources ; Automation ; CAE) and Design ; Computer Applications ; Computer simulation ; Computer-Aided Engineering (CAD ; Control ; Electric potential ; Energy resources ; Engineering ; Impedance ; Inverters ; Mathematical models ; Mechatronics ; Parallel operation ; Research Article ; Resonance ; Robotics ; Simulation ; Simulation models ; Solar energy ; Stability ; Voltage</subject><ispartof>International journal of automation and computing, 2018-12, Vol.15 (6), p.716-727</ispartof><rights>Institute of Automation, Chinese Academy of Sciences and Springer-Verlag GmbH Germany, part of Springer Nature 2017</rights><rights>Copyright Springer Science & Business Media 2018</rights><rights>Institute of Automation, Chinese Academy of Sciences and Springer-Verlag GmbH Germany, part of Springer Nature 2017.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c344t-4f938a106349d2b004b6e638427833424b29b2cafc556b281b0de5d685c072713</citedby><cites>FETCH-LOGICAL-c344t-4f938a106349d2b004b6e638427833424b29b2cafc556b281b0de5d685c072713</cites><orcidid>0000-0002-7675-6213 ; 0000-0002-9428-9129</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.proquest.com/docview/2918686754?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,776,780,21367,27901,27902,33721,43781</link.rule.ids></links><search><creatorcontrib>Yang, Qiu-Xia</creatorcontrib><creatorcontrib>Li, Kun</creatorcontrib><creatorcontrib>Zhao, Cui-Mei</creatorcontrib><creatorcontrib>Wang, Hu</creatorcontrib><title>The Resonance Suppression for Parallel Photovoltaic Grid-connected Inverters in Weak Grid</title><title>International journal of automation and computing</title><addtitle>Int. J. Autom. Comput</addtitle><description>Obvious resonance peak will be generated when parallel photovoltaic grid-connected inverters are connected to the weak grid with high grid impedance, which seriously affects the stability of grid-connected operation of the photovoltaic system. To overcome the problems mentioned above, the mathematical model of the parallel photovoltaic inverters is established. Several factors including the impact of the reference current of the grid-connected inverter, the grid voltage interference and the current disturbance between the photovoltaic inverters in parallel with the grid-connected inverters are analyzed. The grid impedance and the LCL filter of the photovoltaic inverter system are found to be the key elements which lead to existence of resonance peak. This paper presents the branch voltage and current double feedback suppression method under the premise of not changing the topological structure of the photovoltaic inverter, which effectively handles the resonance peak, weakens the harmonic content of the grid current of the photovoltaic grid-connected inverter and the voltage at the point of common coupling, and improves the stability of the parallel operation of the photovoltaic grid-connected inverters in weak grid. At last, the simulation model is established to verify the reliability of this suppression method.</description><subject>Alternative energy sources</subject><subject>Automation</subject><subject>CAE) and Design</subject><subject>Computer Applications</subject><subject>Computer simulation</subject><subject>Computer-Aided Engineering (CAD</subject><subject>Control</subject><subject>Electric potential</subject><subject>Energy resources</subject><subject>Engineering</subject><subject>Impedance</subject><subject>Inverters</subject><subject>Mathematical models</subject><subject>Mechatronics</subject><subject>Parallel operation</subject><subject>Research Article</subject><subject>Resonance</subject><subject>Robotics</subject><subject>Simulation</subject><subject>Simulation models</subject><subject>Solar energy</subject><subject>Stability</subject><subject>Voltage</subject><issn>1476-8186</issn><issn>2153-182X</issn><issn>1751-8520</issn><issn>2153-1838</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kMtKAzEUhoMoWKsP4C7gOprbJJmlFK2FgkUr4ipkMhk7dUxqMi349qaO4EpX5yz-C_8HwDnBlwRjeZUIEYwhTCQiWFKED8CIyIIgVVB8mH8uBVJEiWNwktIaYyFpyUfgZbly8MGl4I23Dj5uN5voUmqDh02IcGGi6TrXwcUq9GEXut60Fk5jWyMbvHe2dzWc-Z2LvYsJth4-O_P2LTgFR43pkjv7uWPwdHuznNyh-f10NrmeI8s47xFvSqYMwYLxsqYVxrwSTjDFqVSMccorWlbUmsYWhaioIhWuXVELVdi8UxI2BhdD7iaGj61LvV6HbfS5UtMyD1ZCFvxfFck9ohQZ4BiQQWVjSCm6Rm9i-27ipyZY7znrgbPOnPWes8bZQwdPylr_6uJv8t-mL9bsfgc</recordid><startdate>20181201</startdate><enddate>20181201</enddate><creator>Yang, Qiu-Xia</creator><creator>Li, Kun</creator><creator>Zhao, Cui-Mei</creator><creator>Wang, Hu</creator><general>Institute of Automation, Chinese Academy of Sciences</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>JQ2</scope><scope>8FE</scope><scope>8FG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K7-</scope><scope>P5Z</scope><scope>P62</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><orcidid>https://orcid.org/0000-0002-7675-6213</orcidid><orcidid>https://orcid.org/0000-0002-9428-9129</orcidid></search><sort><creationdate>20181201</creationdate><title>The Resonance Suppression for Parallel Photovoltaic Grid-connected Inverters in Weak Grid</title><author>Yang, Qiu-Xia ; Li, Kun ; Zhao, Cui-Mei ; Wang, Hu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c344t-4f938a106349d2b004b6e638427833424b29b2cafc556b281b0de5d685c072713</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Alternative energy sources</topic><topic>Automation</topic><topic>CAE) and Design</topic><topic>Computer Applications</topic><topic>Computer simulation</topic><topic>Computer-Aided Engineering (CAD</topic><topic>Control</topic><topic>Electric potential</topic><topic>Energy resources</topic><topic>Engineering</topic><topic>Impedance</topic><topic>Inverters</topic><topic>Mathematical models</topic><topic>Mechatronics</topic><topic>Parallel operation</topic><topic>Research Article</topic><topic>Resonance</topic><topic>Robotics</topic><topic>Simulation</topic><topic>Simulation models</topic><topic>Solar energy</topic><topic>Stability</topic><topic>Voltage</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, Qiu-Xia</creatorcontrib><creatorcontrib>Li, Kun</creatorcontrib><creatorcontrib>Zhao, Cui-Mei</creatorcontrib><creatorcontrib>Wang, Hu</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Computer Science Collection</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>Computer Science Database</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><jtitle>International journal of automation and computing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, Qiu-Xia</au><au>Li, Kun</au><au>Zhao, Cui-Mei</au><au>Wang, Hu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Resonance Suppression for Parallel Photovoltaic Grid-connected Inverters in Weak Grid</atitle><jtitle>International journal of automation and computing</jtitle><stitle>Int. J. Autom. Comput</stitle><date>2018-12-01</date><risdate>2018</risdate><volume>15</volume><issue>6</issue><spage>716</spage><epage>727</epage><pages>716-727</pages><issn>1476-8186</issn><issn>2153-182X</issn><eissn>1751-8520</eissn><eissn>2153-1838</eissn><abstract>Obvious resonance peak will be generated when parallel photovoltaic grid-connected inverters are connected to the weak grid with high grid impedance, which seriously affects the stability of grid-connected operation of the photovoltaic system. To overcome the problems mentioned above, the mathematical model of the parallel photovoltaic inverters is established. Several factors including the impact of the reference current of the grid-connected inverter, the grid voltage interference and the current disturbance between the photovoltaic inverters in parallel with the grid-connected inverters are analyzed. The grid impedance and the LCL filter of the photovoltaic inverter system are found to be the key elements which lead to existence of resonance peak. This paper presents the branch voltage and current double feedback suppression method under the premise of not changing the topological structure of the photovoltaic inverter, which effectively handles the resonance peak, weakens the harmonic content of the grid current of the photovoltaic grid-connected inverter and the voltage at the point of common coupling, and improves the stability of the parallel operation of the photovoltaic grid-connected inverters in weak grid. At last, the simulation model is established to verify the reliability of this suppression method.</abstract><cop>Beijing</cop><pub>Institute of Automation, Chinese Academy of Sciences</pub><doi>10.1007/s11633-017-1072-0</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-7675-6213</orcidid><orcidid>https://orcid.org/0000-0002-9428-9129</orcidid></addata></record> |
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| subjects | Alternative energy sources Automation CAE) and Design Computer Applications Computer simulation Computer-Aided Engineering (CAD Control Electric potential Energy resources Engineering Impedance Inverters Mathematical models Mechatronics Parallel operation Research Article Resonance Robotics Simulation Simulation models Solar energy Stability Voltage |
| title | The Resonance Suppression for Parallel Photovoltaic Grid-connected Inverters in Weak Grid |
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