Derivation of zero-sequence circulating current and the compensation of delta-connected static var generators for unbalanced load
Cascaded static var generators (SVG) with delta-configuration is discussed for a compensation of reactive, negative-sequence and harmonic currents. According to phasor analysis of negative-sequence current compensation, the role of zero-sequence circulating current for power balance is analysed. Acc...
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| Veröffentlicht in: | IET power electronics 2016-03, Vol.9 (3), p.576-588 |
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| container_title | IET power electronics |
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| creator | Fujun, Ma An, Luo Qiaopo, Xiong Zhixing, He Qianming, Xu |
| description | Cascaded static var generators (SVG) with delta-configuration is discussed for a compensation of reactive, negative-sequence and harmonic currents. According to phasor analysis of negative-sequence current compensation, the role of zero-sequence circulating current for power balance is analysed. According to power analysis, the analytical expressions of zero-sequence circulating current and 2nd frequency ripples of dc-link voltages are derived. On the basis of this, the phase-current reference detection and the simplified control method of SVG for negative-sequence current compensation are proposed, which is concise and can achieve power balance of three-phase clusters by superimposing a zero-sequence circulating current without additional controllers. Finally, the simulation and experimental results have effectively verified the proposed method. |
| doi_str_mv | 10.1049/iet-pel.2014.0682 |
| format | Article |
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According to phasor analysis of negative-sequence current compensation, the role of zero-sequence circulating current for power balance is analysed. According to power analysis, the analytical expressions of zero-sequence circulating current and 2nd frequency ripples of dc-link voltages are derived. On the basis of this, the phase-current reference detection and the simplified control method of SVG for negative-sequence current compensation are proposed, which is concise and can achieve power balance of three-phase clusters by superimposing a zero-sequence circulating current without additional controllers. Finally, the simulation and experimental results have effectively verified the proposed method.</description><identifier>ISSN: 1755-4535</identifier><identifier>ISSN: 1755-4543</identifier><identifier>EISSN: 1755-4543</identifier><identifier>DOI: 10.1049/iet-pel.2014.0682</identifier><language>eng</language><publisher>The Institution of Engineering and Technology</publisher><subject>cascaded SVG ; Compensation ; delta connected static var generator ; Derivation ; electric current control ; Electronics ; Exact solutions ; frequency ripple ; Generators ; harmonic current compensation ; harmonics suppression ; machine control ; Mathematical analysis ; negative sequence current compensation ; phase current reference detection ; phasor analysis ; power balance ; reactive power compensation ; reactive power control ; Ripples ; simplified control method ; static VAr compensators ; three‐phase cluster ; unbalanced load ; Voltage ; zero sequence circulating current</subject><ispartof>IET power electronics, 2016-03, Vol.9 (3), p.576-588</ispartof><rights>The Institution of Engineering and Technology</rights><rights>2021 The Authors. IET Power Electronics published by John Wiley & Sons, Ltd. on behalf of The Institution of Engineering and Technology</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4016-6b39a0d6b4512f8896b67d5cf89a7348bb7b4f2e463d897a66c44afcee75229c3</citedby><cites>FETCH-LOGICAL-c4016-6b39a0d6b4512f8896b67d5cf89a7348bb7b4f2e463d897a66c44afcee75229c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1049%2Fiet-pel.2014.0682$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1049%2Fiet-pel.2014.0682$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,11541,27901,27902,45550,45551,46027,46451</link.rule.ids><linktorsrc>$$Uhttps://onlinelibrary.wiley.com/doi/abs/10.1049%2Fiet-pel.2014.0682$$EView_record_in_Wiley-Blackwell$$FView_record_in_$$GWiley-Blackwell</linktorsrc></links><search><creatorcontrib>Fujun, Ma</creatorcontrib><creatorcontrib>An, Luo</creatorcontrib><creatorcontrib>Qiaopo, Xiong</creatorcontrib><creatorcontrib>Zhixing, He</creatorcontrib><creatorcontrib>Qianming, Xu</creatorcontrib><title>Derivation of zero-sequence circulating current and the compensation of delta-connected static var generators for unbalanced load</title><title>IET power electronics</title><description>Cascaded static var generators (SVG) with delta-configuration is discussed for a compensation of reactive, negative-sequence and harmonic currents. According to phasor analysis of negative-sequence current compensation, the role of zero-sequence circulating current for power balance is analysed. According to power analysis, the analytical expressions of zero-sequence circulating current and 2nd frequency ripples of dc-link voltages are derived. On the basis of this, the phase-current reference detection and the simplified control method of SVG for negative-sequence current compensation are proposed, which is concise and can achieve power balance of three-phase clusters by superimposing a zero-sequence circulating current without additional controllers. Finally, the simulation and experimental results have effectively verified the proposed method.</description><subject>cascaded SVG</subject><subject>Compensation</subject><subject>delta connected static var generator</subject><subject>Derivation</subject><subject>electric current control</subject><subject>Electronics</subject><subject>Exact solutions</subject><subject>frequency ripple</subject><subject>Generators</subject><subject>harmonic current compensation</subject><subject>harmonics suppression</subject><subject>machine control</subject><subject>Mathematical analysis</subject><subject>negative sequence current compensation</subject><subject>phase current reference detection</subject><subject>phasor analysis</subject><subject>power balance</subject><subject>reactive power compensation</subject><subject>reactive power control</subject><subject>Ripples</subject><subject>simplified control method</subject><subject>static VAr compensators</subject><subject>three‐phase cluster</subject><subject>unbalanced load</subject><subject>Voltage</subject><subject>zero sequence circulating current</subject><issn>1755-4535</issn><issn>1755-4543</issn><issn>1755-4543</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqFkEFPHCEYhiemTdyu_QHeOLaHWWEGGKa3drurJpvYgz0TBj7smFmYAqOxN_-5TNYYD42eIPne5_3gKYpTglcE0_ash1SOMKwqTOgKc1EdFQvSMFZSRusPL_eaHRefYrzFmBPKxKJ4_Amhv1Op9w55i_5B8GWEvxM4DUj3QU9DHrobpKcQwCWknEHpT575_QguvpAGhqRK7Z0DncCgmPJIozsV0A04CCr5EJH1AU2uU4PK_QYNXpmT4qNVQ4TPz-ey-L3dXK8vyt3V-eX6-67UFBNe8q5uFTa8o4xUVoiWd7wxTFvRqqamouuajtoKKK-NaBvFuaZUWQ3QsKpqdb0svhx6x-Dz_2KS-z5qGPJTwE9RElExxkjTiBwlh6gOPsYAVo6h36vwIAmWs26ZdcusW8665aw7M98OzH0_wMP7gPy12VU_trgmjGe4PMBz7NZPwWUTby77-p_85eZ6bn21YzS2fgJbG6YM</recordid><startdate>20160309</startdate><enddate>20160309</enddate><creator>Fujun, Ma</creator><creator>An, Luo</creator><creator>Qiaopo, Xiong</creator><creator>Zhixing, He</creator><creator>Qianming, Xu</creator><general>The Institution of Engineering and Technology</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20160309</creationdate><title>Derivation of zero-sequence circulating current and the compensation of delta-connected static var generators for unbalanced load</title><author>Fujun, Ma ; An, Luo ; Qiaopo, Xiong ; Zhixing, He ; Qianming, Xu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4016-6b39a0d6b4512f8896b67d5cf89a7348bb7b4f2e463d897a66c44afcee75229c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>cascaded SVG</topic><topic>Compensation</topic><topic>delta connected static var generator</topic><topic>Derivation</topic><topic>electric current control</topic><topic>Electronics</topic><topic>Exact solutions</topic><topic>frequency ripple</topic><topic>Generators</topic><topic>harmonic current compensation</topic><topic>harmonics suppression</topic><topic>machine control</topic><topic>Mathematical analysis</topic><topic>negative sequence current compensation</topic><topic>phase current reference detection</topic><topic>phasor analysis</topic><topic>power balance</topic><topic>reactive power compensation</topic><topic>reactive power control</topic><topic>Ripples</topic><topic>simplified control method</topic><topic>static VAr compensators</topic><topic>three‐phase cluster</topic><topic>unbalanced load</topic><topic>Voltage</topic><topic>zero sequence circulating current</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fujun, Ma</creatorcontrib><creatorcontrib>An, Luo</creatorcontrib><creatorcontrib>Qiaopo, Xiong</creatorcontrib><creatorcontrib>Zhixing, He</creatorcontrib><creatorcontrib>Qianming, Xu</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IET power electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Fujun, Ma</au><au>An, Luo</au><au>Qiaopo, Xiong</au><au>Zhixing, He</au><au>Qianming, Xu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Derivation of zero-sequence circulating current and the compensation of delta-connected static var generators for unbalanced load</atitle><jtitle>IET power electronics</jtitle><date>2016-03-09</date><risdate>2016</risdate><volume>9</volume><issue>3</issue><spage>576</spage><epage>588</epage><pages>576-588</pages><issn>1755-4535</issn><issn>1755-4543</issn><eissn>1755-4543</eissn><abstract>Cascaded static var generators (SVG) with delta-configuration is discussed for a compensation of reactive, negative-sequence and harmonic currents. According to phasor analysis of negative-sequence current compensation, the role of zero-sequence circulating current for power balance is analysed. According to power analysis, the analytical expressions of zero-sequence circulating current and 2nd frequency ripples of dc-link voltages are derived. On the basis of this, the phase-current reference detection and the simplified control method of SVG for negative-sequence current compensation are proposed, which is concise and can achieve power balance of three-phase clusters by superimposing a zero-sequence circulating current without additional controllers. Finally, the simulation and experimental results have effectively verified the proposed method.</abstract><pub>The Institution of Engineering and Technology</pub><doi>10.1049/iet-pel.2014.0682</doi><tpages>13</tpages></addata></record> |
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| subjects | cascaded SVG Compensation delta connected static var generator Derivation electric current control Electronics Exact solutions frequency ripple Generators harmonic current compensation harmonics suppression machine control Mathematical analysis negative sequence current compensation phase current reference detection phasor analysis power balance reactive power compensation reactive power control Ripples simplified control method static VAr compensators three‐phase cluster unbalanced load Voltage zero sequence circulating current |
| title | Derivation of zero-sequence circulating current and the compensation of delta-connected static var generators for unbalanced load |
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