Harmonic transfer characteristics of MMC-HVDC systems
Modular multilevel converter (MMC) is considered as the most potential development of multilevel converter, the future of high-voltage electric energy conversion, especially in the high-voltage direct current (HVDC) transmission since the very beginning because of its unmatched advantages such as hi...
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| Veröffentlicht in: | Journal of engineering (Stevenage, England) England), 2017, Vol.2017 (13), p.2241-2245 |
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| container_title | Journal of engineering (Stevenage, England) |
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| creator | Rong, Li Jun, Wen Ruoxi, Liu Han, Yan Kangsheng, Cui |
| description | Modular multilevel converter (MMC) is considered as the most potential development of multilevel converter, the future of high-voltage electric energy conversion, especially in the high-voltage direct current (HVDC) transmission since the very beginning because of its unmatched advantages such as high modularity, compact structure, high quality of output waveform, and common DC bus. However, due to the structural characteristics of the MMC itself, there will be circulating current that cannot be eliminated but suppressed in the arm, causing AC/DC-side harmonic. Here, the authors first analyse the circuit topology, working principle, and characteristics of the MMC. The coupling relationship of MMC is studied by using the switching function method in the modulation theory, to facilitate rigorous analysis of the interrelationship between the harmonic and circulating current of MMC and the influencing factors of the harmonic from the analytical point of view. The influence of the harmonic generated by the MMC converter on the AC/DC side can be obtained by derivation. Moreover, the transfer mechanism of the background harmonic coming from AC system is further studied. Furthermore, the foregoing conclusions on harmonic transfer characteristics of MMC-HVDC system are verified by using the simulation model built on PSCAD/EMTDC. |
| doi_str_mv | 10.1049/joe.2017.0729 |
| format | Article |
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However, due to the structural characteristics of the MMC itself, there will be circulating current that cannot be eliminated but suppressed in the arm, causing AC/DC-side harmonic. Here, the authors first analyse the circuit topology, working principle, and characteristics of the MMC. The coupling relationship of MMC is studied by using the switching function method in the modulation theory, to facilitate rigorous analysis of the interrelationship between the harmonic and circulating current of MMC and the influencing factors of the harmonic from the analytical point of view. The influence of the harmonic generated by the MMC converter on the AC/DC side can be obtained by derivation. Moreover, the transfer mechanism of the background harmonic coming from AC system is further studied. Furthermore, the foregoing conclusions on harmonic transfer characteristics of MMC-HVDC system are verified by using the simulation model built on PSCAD/EMTDC.</description><identifier>ISSN: 2051-3305</identifier><identifier>EISSN: 2051-3305</identifier><identifier>DOI: 10.1049/joe.2017.0729</identifier><language>eng</language><publisher>The Institution of Engineering and Technology</publisher><subject>AC‐DC‐side harmonic ; analytical point of view ; circuit topology ; circulating current ; common DC bus ; coupling relationship ; harmonic transfer characteristics ; high‐voltage direct current transmission ; high‐voltage electric energy conversion ; HVDC power convertors ; HVDC power transmission ; MMC converter ; MMC‐HVDC systems ; modular multilevel converter ; modulation theory ; network topology ; power system harmonics ; PSCAD‐EMTDC ; simulation model ; structural characteristics ; switching function method</subject><ispartof>Journal of engineering (Stevenage, England), 2017, Vol.2017 (13), p.2241-2245</ispartof><rights>2021 The Institution of Engineering and Technology</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2025-f50e514dfa981b6a83356ab53d7df2295608df21cd851981f2af7555f865de293</citedby><cites>FETCH-LOGICAL-c2025-f50e514dfa981b6a83356ab53d7df2295608df21cd851981f2af7555f865de293</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%2Fjoe.2017.0729$$EPDF$$P50$$Gwiley$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1049%2Fjoe.2017.0729$$EHTML$$P50$$Gwiley$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,864,1416,4022,11561,27922,27923,27924,45573,45574,46051,46475</link.rule.ids></links><search><creatorcontrib>Rong, Li</creatorcontrib><creatorcontrib>Jun, Wen</creatorcontrib><creatorcontrib>Ruoxi, Liu</creatorcontrib><creatorcontrib>Han, Yan</creatorcontrib><creatorcontrib>Kangsheng, Cui</creatorcontrib><title>Harmonic transfer characteristics of MMC-HVDC systems</title><title>Journal of engineering (Stevenage, England)</title><description>Modular multilevel converter (MMC) is considered as the most potential development of multilevel converter, the future of high-voltage electric energy conversion, especially in the high-voltage direct current (HVDC) transmission since the very beginning because of its unmatched advantages such as high modularity, compact structure, high quality of output waveform, and common DC bus. However, due to the structural characteristics of the MMC itself, there will be circulating current that cannot be eliminated but suppressed in the arm, causing AC/DC-side harmonic. Here, the authors first analyse the circuit topology, working principle, and characteristics of the MMC. The coupling relationship of MMC is studied by using the switching function method in the modulation theory, to facilitate rigorous analysis of the interrelationship between the harmonic and circulating current of MMC and the influencing factors of the harmonic from the analytical point of view. The influence of the harmonic generated by the MMC converter on the AC/DC side can be obtained by derivation. Moreover, the transfer mechanism of the background harmonic coming from AC system is further studied. Furthermore, the foregoing conclusions on harmonic transfer characteristics of MMC-HVDC system are verified by using the simulation model built on PSCAD/EMTDC.</description><subject>AC‐DC‐side harmonic</subject><subject>analytical point of view</subject><subject>circuit topology</subject><subject>circulating current</subject><subject>common DC bus</subject><subject>coupling relationship</subject><subject>harmonic transfer characteristics</subject><subject>high‐voltage direct current transmission</subject><subject>high‐voltage electric energy conversion</subject><subject>HVDC power convertors</subject><subject>HVDC power transmission</subject><subject>MMC converter</subject><subject>MMC‐HVDC systems</subject><subject>modular multilevel converter</subject><subject>modulation theory</subject><subject>network topology</subject><subject>power system harmonics</subject><subject>PSCAD‐EMTDC</subject><subject>simulation model</subject><subject>structural characteristics</subject><subject>switching function method</subject><issn>2051-3305</issn><issn>2051-3305</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><sourceid>WIN</sourceid><recordid>eNp9jz1PwzAURS0EElXpyJ6VweHZzsvHCKEloFYshdVyHVukahJkB6H8exyFgQWmd4dz79Mh5JpBzCApbo-9iTmwLIaMF2dkwQEZFQLw_Fe-JCvvjwDARMIhYQuClXJt3zU6GpzqvDUu0u_KKT0Y1_ih0T7qbbTblbR6eygjP_rBtP6KXFh18mb1c5fkdbPelxXdvjw-lXdbqjlwpBbBIEtqq4qcHVKVC4GpOqCos9pyXmAKeQhM1zmygFiubIaINk-xNrwQS0LnXe16752x8sM1rXKjZCAnbRm05aQtJ-3ApzP_1ZzM-D8s989rfr8BSBFD8WYuNmYI2KfrgtYfT74B2LFmzA</recordid><startdate>2017</startdate><enddate>2017</enddate><creator>Rong, Li</creator><creator>Jun, Wen</creator><creator>Ruoxi, Liu</creator><creator>Han, Yan</creator><creator>Kangsheng, Cui</creator><general>The Institution of Engineering and Technology</general><scope>IDLOA</scope><scope>24P</scope><scope>WIN</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>2017</creationdate><title>Harmonic transfer characteristics of MMC-HVDC systems</title><author>Rong, Li ; Jun, Wen ; Ruoxi, Liu ; Han, Yan ; Kangsheng, Cui</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2025-f50e514dfa981b6a83356ab53d7df2295608df21cd851981f2af7555f865de293</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>AC‐DC‐side harmonic</topic><topic>analytical point of view</topic><topic>circuit topology</topic><topic>circulating current</topic><topic>common DC bus</topic><topic>coupling relationship</topic><topic>harmonic transfer characteristics</topic><topic>high‐voltage direct current transmission</topic><topic>high‐voltage electric energy conversion</topic><topic>HVDC power convertors</topic><topic>HVDC power transmission</topic><topic>MMC converter</topic><topic>MMC‐HVDC systems</topic><topic>modular multilevel converter</topic><topic>modulation theory</topic><topic>network topology</topic><topic>power system harmonics</topic><topic>PSCAD‐EMTDC</topic><topic>simulation model</topic><topic>structural characteristics</topic><topic>switching function method</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rong, Li</creatorcontrib><creatorcontrib>Jun, Wen</creatorcontrib><creatorcontrib>Ruoxi, Liu</creatorcontrib><creatorcontrib>Han, Yan</creatorcontrib><creatorcontrib>Kangsheng, Cui</creatorcontrib><collection>IET Digital Library (Open Access)</collection><collection>Wiley Online Library</collection><collection>Wiley-Blackwell Open Access Backfiles</collection><collection>CrossRef</collection><jtitle>Journal of engineering (Stevenage, England)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rong, Li</au><au>Jun, Wen</au><au>Ruoxi, Liu</au><au>Han, Yan</au><au>Kangsheng, Cui</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Harmonic transfer characteristics of MMC-HVDC systems</atitle><jtitle>Journal of engineering (Stevenage, England)</jtitle><date>2017</date><risdate>2017</risdate><volume>2017</volume><issue>13</issue><spage>2241</spage><epage>2245</epage><pages>2241-2245</pages><issn>2051-3305</issn><eissn>2051-3305</eissn><abstract>Modular multilevel converter (MMC) is considered as the most potential development of multilevel converter, the future of high-voltage electric energy conversion, especially in the high-voltage direct current (HVDC) transmission since the very beginning because of its unmatched advantages such as high modularity, compact structure, high quality of output waveform, and common DC bus. However, due to the structural characteristics of the MMC itself, there will be circulating current that cannot be eliminated but suppressed in the arm, causing AC/DC-side harmonic. Here, the authors first analyse the circuit topology, working principle, and characteristics of the MMC. The coupling relationship of MMC is studied by using the switching function method in the modulation theory, to facilitate rigorous analysis of the interrelationship between the harmonic and circulating current of MMC and the influencing factors of the harmonic from the analytical point of view. The influence of the harmonic generated by the MMC converter on the AC/DC side can be obtained by derivation. Moreover, the transfer mechanism of the background harmonic coming from AC system is further studied. Furthermore, the foregoing conclusions on harmonic transfer characteristics of MMC-HVDC system are verified by using the simulation model built on PSCAD/EMTDC.</abstract><pub>The Institution of Engineering and Technology</pub><doi>10.1049/joe.2017.0729</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | AC‐DC‐side harmonic analytical point of view circuit topology circulating current common DC bus coupling relationship harmonic transfer characteristics high‐voltage direct current transmission high‐voltage electric energy conversion HVDC power convertors HVDC power transmission MMC converter MMC‐HVDC systems modular multilevel converter modulation theory network topology power system harmonics PSCAD‐EMTDC simulation model structural characteristics switching function method |
| title | Harmonic transfer characteristics of MMC-HVDC systems |
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