Seamless Transfer of Single-Phase Grid-Interactive Inverters Between Grid-Connected and Stand-Alone Modes
This paper presents a novel seamless transfer of single-phase grid-interactive inverters between grid-connected and stand-alone modes. The grid-connected inverter should operate in grid-tied and off-grid modes in order to provide power to the emergency load during system outages. However, the grid c...
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description | This paper presents a novel seamless transfer of single-phase grid-interactive inverters between grid-connected and stand-alone modes. The grid-connected inverter should operate in grid-tied and off-grid modes in order to provide power to the emergency load during system outages. However, the grid current controller and the output voltage controller are switched between the two modes, so the outputs of both controllers may not be equal during the transfer instant, which will cause the current or voltage spikes during the switching process. The transfer between the two controllers does not exist in the proposed method. In grid-tied mode, the voltage controller is used for compensating the filter capacitor current, and the current controller is used to control the grid current. In stand-alone mode, the voltage controller is used to regulate the output voltage, whereas the output of the current controller is zero. With the proposed control method, the seamless transfer can be achieved between both modes, even in polluted grid voltage. The principle and realization conditions of the control methods at both modes are analyzed. The detailed process of the seamless transfer between the two modes is illustrated. Finally, the simulation and experimental results verify the theoretical analysis. |
doi_str_mv | 10.1109/TPEL.2009.2039357 |
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The grid-connected inverter should operate in grid-tied and off-grid modes in order to provide power to the emergency load during system outages. However, the grid current controller and the output voltage controller are switched between the two modes, so the outputs of both controllers may not be equal during the transfer instant, which will cause the current or voltage spikes during the switching process. The transfer between the two controllers does not exist in the proposed method. In grid-tied mode, the voltage controller is used for compensating the filter capacitor current, and the current controller is used to control the grid current. In stand-alone mode, the voltage controller is used to regulate the output voltage, whereas the output of the current controller is zero. With the proposed control method, the seamless transfer can be achieved between both modes, even in polluted grid voltage. The principle and realization conditions of the control methods at both modes are analyzed. The detailed process of the seamless transfer between the two modes is illustrated. Finally, the simulation and experimental results verify the theoretical analysis.</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2009.2039357</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Analysis ; Applied sciences ; Capacitors ; Circuit properties ; Circuits of signal characteristics conditioning (including delay circuits) ; Distributed control ; Distributed power generation ; Electric currents ; Electric, optical and optoelectronic circuits ; Electrical engineering. Electrical power engineering ; Electrical power engineering ; Electricity ; Electronic circuits ; Electronic equipment and fabrication. Passive components, printed wiring boards, connectics ; Electronics ; Exact sciences and technology ; Filters ; grid-connected inverter ; grid-connected mode ; Inverters ; Operation. Load control. Reliability ; Pollution ; Power electronics, power supplies ; Power generation ; Power generation planning ; Power networks and lines ; seamless transfer ; Simulation ; stand-alone mode ; Standby generators ; Voltage control</subject><ispartof>IEEE transactions on power electronics, 2010-06, Vol.25 (6), p.1597-1603</ispartof><rights>2015 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Jun 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c388t-bc67474f81b259da8000744d6a3f02f18963a9f338f458fa6fb7b65f6125358c3</citedby><cites>FETCH-LOGICAL-c388t-bc67474f81b259da8000744d6a3f02f18963a9f338f458fa6fb7b65f6125358c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5371997$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27923,27924,54757</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5371997$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22902167$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Yao, Z</creatorcontrib><creatorcontrib>Xiao, L</creatorcontrib><creatorcontrib>Yan, Y</creatorcontrib><title>Seamless Transfer of Single-Phase Grid-Interactive Inverters Between Grid-Connected and Stand-Alone Modes</title><title>IEEE transactions on power electronics</title><addtitle>TPEL</addtitle><description>This paper presents a novel seamless transfer of single-phase grid-interactive inverters between grid-connected and stand-alone modes. The grid-connected inverter should operate in grid-tied and off-grid modes in order to provide power to the emergency load during system outages. However, the grid current controller and the output voltage controller are switched between the two modes, so the outputs of both controllers may not be equal during the transfer instant, which will cause the current or voltage spikes during the switching process. The transfer between the two controllers does not exist in the proposed method. In grid-tied mode, the voltage controller is used for compensating the filter capacitor current, and the current controller is used to control the grid current. In stand-alone mode, the voltage controller is used to regulate the output voltage, whereas the output of the current controller is zero. With the proposed control method, the seamless transfer can be achieved between both modes, even in polluted grid voltage. The principle and realization conditions of the control methods at both modes are analyzed. The detailed process of the seamless transfer between the two modes is illustrated. Finally, the simulation and experimental results verify the theoretical analysis.</description><subject>Analysis</subject><subject>Applied sciences</subject><subject>Capacitors</subject><subject>Circuit properties</subject><subject>Circuits of signal characteristics conditioning (including delay circuits)</subject><subject>Distributed control</subject><subject>Distributed power generation</subject><subject>Electric currents</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electrical power engineering</subject><subject>Electricity</subject><subject>Electronic circuits</subject><subject>Electronic equipment and fabrication. Passive components, printed wiring boards, connectics</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Filters</subject><subject>grid-connected inverter</subject><subject>grid-connected mode</subject><subject>Inverters</subject><subject>Operation. Load control. Reliability</subject><subject>Pollution</subject><subject>Power electronics, power supplies</subject><subject>Power generation</subject><subject>Power generation planning</subject><subject>Power networks and lines</subject><subject>seamless transfer</subject><subject>Simulation</subject><subject>stand-alone mode</subject><subject>Standby generators</subject><subject>Voltage control</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kFFLwzAQx4MoOKcfQHwJgo-dl6Zpk8c55hxMHGw-l7S9aEeXzqSb-O3N6NjLHcf97n_wI-SewYgxUM_r5XQxigFUKFxxkV2QAVMJi4BBdkkGIKWIpFL8mtx4vwFgiQA2IPUK9bZB7-naaesNOtoauqrtV4PR8lt7pDNXV9Hcduh02dUHpHN7QBdGT1-w-0W0PTJprcWyw4pqW9FVF2o0blqL9L2t0N-SK6Mbj3enPiSfr9P15C1afMzmk_EiKrmUXVSUaZZkiZGsiIWqtASALEmqVHMDsWFSpVwrw7k0iZBGp6bIilSYlMWCC1nyIXnsc3eu_dmj7_JNu3c2vMwFhOSgRwSI9VDpWu8dmnzn6q12fzmD_Cg0PwrNj0Lzk9Bw83QK1r7UjQm-ytqfD-NYQczSI_fQczUinteCZ0ypjP8DOoh98g</recordid><startdate>20100601</startdate><enddate>20100601</enddate><creator>Yao, Z</creator><creator>Xiao, L</creator><creator>Yan, Y</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>JQ2</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20100601</creationdate><title>Seamless Transfer of Single-Phase Grid-Interactive Inverters Between Grid-Connected and Stand-Alone Modes</title><author>Yao, Z ; Xiao, L ; Yan, Y</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c388t-bc67474f81b259da8000744d6a3f02f18963a9f338f458fa6fb7b65f6125358c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Analysis</topic><topic>Applied sciences</topic><topic>Capacitors</topic><topic>Circuit properties</topic><topic>Circuits of signal characteristics conditioning (including delay circuits)</topic><topic>Distributed control</topic><topic>Distributed power generation</topic><topic>Electric currents</topic><topic>Electric, optical and optoelectronic circuits</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Electrical power engineering</topic><topic>Electricity</topic><topic>Electronic circuits</topic><topic>Electronic equipment and fabrication. Passive components, printed wiring boards, connectics</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>Filters</topic><topic>grid-connected inverter</topic><topic>grid-connected mode</topic><topic>Inverters</topic><topic>Operation. Load control. Reliability</topic><topic>Pollution</topic><topic>Power electronics, power supplies</topic><topic>Power generation</topic><topic>Power generation planning</topic><topic>Power networks and lines</topic><topic>seamless transfer</topic><topic>Simulation</topic><topic>stand-alone mode</topic><topic>Standby generators</topic><topic>Voltage control</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yao, Z</creatorcontrib><creatorcontrib>Xiao, L</creatorcontrib><creatorcontrib>Yan, Y</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>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on power electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Yao, Z</au><au>Xiao, L</au><au>Yan, Y</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Seamless Transfer of Single-Phase Grid-Interactive Inverters Between Grid-Connected and Stand-Alone Modes</atitle><jtitle>IEEE transactions on power electronics</jtitle><stitle>TPEL</stitle><date>2010-06-01</date><risdate>2010</risdate><volume>25</volume><issue>6</issue><spage>1597</spage><epage>1603</epage><pages>1597-1603</pages><issn>0885-8993</issn><eissn>1941-0107</eissn><coden>ITPEE8</coden><abstract>This paper presents a novel seamless transfer of single-phase grid-interactive inverters between grid-connected and stand-alone modes. The grid-connected inverter should operate in grid-tied and off-grid modes in order to provide power to the emergency load during system outages. However, the grid current controller and the output voltage controller are switched between the two modes, so the outputs of both controllers may not be equal during the transfer instant, which will cause the current or voltage spikes during the switching process. The transfer between the two controllers does not exist in the proposed method. In grid-tied mode, the voltage controller is used for compensating the filter capacitor current, and the current controller is used to control the grid current. In stand-alone mode, the voltage controller is used to regulate the output voltage, whereas the output of the current controller is zero. With the proposed control method, the seamless transfer can be achieved between both modes, even in polluted grid voltage. The principle and realization conditions of the control methods at both modes are analyzed. The detailed process of the seamless transfer between the two modes is illustrated. Finally, the simulation and experimental results verify the theoretical analysis.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TPEL.2009.2039357</doi><tpages>7</tpages></addata></record> |
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subjects | Analysis Applied sciences Capacitors Circuit properties Circuits of signal characteristics conditioning (including delay circuits) Distributed control Distributed power generation Electric currents Electric, optical and optoelectronic circuits Electrical engineering. Electrical power engineering Electrical power engineering Electricity Electronic circuits Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Exact sciences and technology Filters grid-connected inverter grid-connected mode Inverters Operation. Load control. Reliability Pollution Power electronics, power supplies Power generation Power generation planning Power networks and lines seamless transfer Simulation stand-alone mode Standby generators Voltage control |
title | Seamless Transfer of Single-Phase Grid-Interactive Inverters Between Grid-Connected and Stand-Alone Modes |
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