DC injection control for grid-connected inverters based on virtual capacitor concept
DC injection is a critical issue in the distributed generation systems according to IEEE Std. 1547-2003. Unfortunately, few literatures discuss this problem. In this paper, a novel control strategy is proposed to achieve zero steady-state DC injection. The proposed idea stems from a well-known fact...
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creator | Guo Xiaoqiang Wu weiyang Gu Herong San Guocheng |
description | DC injection is a critical issue in the distributed generation systems according to IEEE Std. 1547-2003. Unfortunately, few literatures discuss this problem. In this paper, a novel control strategy is proposed to achieve zero steady-state DC injection. The proposed idea stems from a well-known fact that a capacitor can block DC component naturally. Generally, this capacitor should be large enough to avoid excessive losses of the grid-connected inverter system. In this paper, this large and costly capacitor is replaced with the proposed control strategy. So it is called virtual capacitor. Theoretical analysis and simulation results confirm the concept. |
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Unfortunately, few literatures discuss this problem. In this paper, a novel control strategy is proposed to achieve zero steady-state DC injection. The proposed idea stems from a well-known fact that a capacitor can block DC component naturally. Generally, this capacitor should be large enough to avoid excessive losses of the grid-connected inverter system. In this paper, this large and costly capacitor is replaced with the proposed control strategy. So it is called virtual capacitor. Theoretical analysis and simulation results confirm the concept.</description><identifier>ISBN: 1424438268</identifier><identifier>ISBN: 9781424438266</identifier><identifier>EISBN: 7506292211</identifier><identifier>EISBN: 9787506292214</identifier><language>eng</language><publisher>IEEE</publisher><subject>Capacitors ; Circuit faults ; Control systems ; Costs ; Distributed control ; Mathematical model ; Pulse width modulation ; Pulse width modulation inverters ; Steady-state ; Voltage</subject><ispartof>2008 International Conference on Electrical Machines and Systems, 2008, p.2327-2330</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4771137$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,780,784,789,790,2058,54920</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4771137$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Guo Xiaoqiang</creatorcontrib><creatorcontrib>Wu weiyang</creatorcontrib><creatorcontrib>Gu Herong</creatorcontrib><creatorcontrib>San Guocheng</creatorcontrib><title>DC injection control for grid-connected inverters based on virtual capacitor concept</title><title>2008 International Conference on Electrical Machines and Systems</title><addtitle>ICEMS</addtitle><description>DC injection is a critical issue in the distributed generation systems according to IEEE Std. 1547-2003. Unfortunately, few literatures discuss this problem. In this paper, a novel control strategy is proposed to achieve zero steady-state DC injection. The proposed idea stems from a well-known fact that a capacitor can block DC component naturally. Generally, this capacitor should be large enough to avoid excessive losses of the grid-connected inverter system. In this paper, this large and costly capacitor is replaced with the proposed control strategy. So it is called virtual capacitor. Theoretical analysis and simulation results confirm the concept.</description><subject>Capacitors</subject><subject>Circuit faults</subject><subject>Control systems</subject><subject>Costs</subject><subject>Distributed control</subject><subject>Mathematical model</subject><subject>Pulse width modulation</subject><subject>Pulse width modulation inverters</subject><subject>Steady-state</subject><subject>Voltage</subject><isbn>1424438268</isbn><isbn>9781424438266</isbn><isbn>7506292211</isbn><isbn>9787506292214</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2008</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNp9i00OgjAUhGuMiaKcwE0vQEJ_oLBGjQdgT2p5mBKk5LWSeHu7cO1sJjPzzYYkqshLXnPO2JYkTHIpRcXLak9S78c8ShZC1OxA2ktD7TyCCdbN1Lg5oJvo4JA-0fZZLOa4QR-hFTAAevrQPuZIrxbDW0_U6EUbG-In4gaWcCK7QU8e0p8fyfl2bZt7ZgGgW9C-NH46qRRjQon_6xdaQz1J</recordid><startdate>200810</startdate><enddate>200810</enddate><creator>Guo Xiaoqiang</creator><creator>Wu weiyang</creator><creator>Gu Herong</creator><creator>San Guocheng</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>200810</creationdate><title>DC injection control for grid-connected inverters based on virtual capacitor concept</title><author>Guo Xiaoqiang ; Wu weiyang ; Gu Herong ; San Guocheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-ieee_primary_47711373</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Capacitors</topic><topic>Circuit faults</topic><topic>Control systems</topic><topic>Costs</topic><topic>Distributed control</topic><topic>Mathematical model</topic><topic>Pulse width modulation</topic><topic>Pulse width modulation inverters</topic><topic>Steady-state</topic><topic>Voltage</topic><toplevel>online_resources</toplevel><creatorcontrib>Guo Xiaoqiang</creatorcontrib><creatorcontrib>Wu weiyang</creatorcontrib><creatorcontrib>Gu Herong</creatorcontrib><creatorcontrib>San Guocheng</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Guo Xiaoqiang</au><au>Wu weiyang</au><au>Gu Herong</au><au>San Guocheng</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>DC injection control for grid-connected inverters based on virtual capacitor concept</atitle><btitle>2008 International Conference on Electrical Machines and Systems</btitle><stitle>ICEMS</stitle><date>2008-10</date><risdate>2008</risdate><spage>2327</spage><epage>2330</epage><pages>2327-2330</pages><isbn>1424438268</isbn><isbn>9781424438266</isbn><eisbn>7506292211</eisbn><eisbn>9787506292214</eisbn><abstract>DC injection is a critical issue in the distributed generation systems according to IEEE Std. 1547-2003. Unfortunately, few literatures discuss this problem. In this paper, a novel control strategy is proposed to achieve zero steady-state DC injection. The proposed idea stems from a well-known fact that a capacitor can block DC component naturally. Generally, this capacitor should be large enough to avoid excessive losses of the grid-connected inverter system. In this paper, this large and costly capacitor is replaced with the proposed control strategy. So it is called virtual capacitor. Theoretical analysis and simulation results confirm the concept.</abstract><pub>IEEE</pub></addata></record> |
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language | eng |
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source | IEEE Electronic Library (IEL) Conference Proceedings |
subjects | Capacitors Circuit faults Control systems Costs Distributed control Mathematical model Pulse width modulation Pulse width modulation inverters Steady-state Voltage |
title | DC injection control for grid-connected inverters based on virtual capacitor concept |
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