A Variable Admittance Shunt Capacitor Using Series Inverter for Filtering Harmonics of Distribution Systems
Conventional shunt capacitors (SCs) with series reactor can filter the harmonic currents generated by the load in addition to improving the power factor. However, a trade-off exists between the harmonic filtering effect and the harmonic voltage tolerance because its admittance is fixed. This article...
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| Veröffentlicht in: | IEEE journal of emerging and selected topics in power electronics 2022-06, Vol.10 (3), p.3087-3099 |
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| container_issue | 3 |
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| container_title | IEEE journal of emerging and selected topics in power electronics |
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| creator | Cirilo Leandro, Guilherme Sano, Kenichiro Okada, Naotaka |
| description | Conventional shunt capacitors (SCs) with series reactor can filter the harmonic currents generated by the load in addition to improving the power factor. However, a trade-off exists between the harmonic filtering effect and the harmonic voltage tolerance because its admittance is fixed. This article focuses on the SC with series inverter (active SC) and proposes a novel control system to satisfy both the harmonic filtering effect and the harmonic voltage tolerance. The proposed control system adjusts the equivalent admittance of the active SC according to the grid harmonic voltage. The active SC contributes to the harmonic compensation in normal condition. When the harmonic voltage rises excessively, it protects itself from the overload. Theoretical analysis reveals that the dc voltage of the inverter can be as low as 10% of the rated grid voltage. Experimental results verify that the active SC can filter a harmonic current as high as 50% of its rated current, and tolerate a harmonic voltage around two times higher than the conventional SC with series reactor. Moreover, it is verified that the active SC can operate properly under unbalanced grid voltage and transients of harmonic voltages. |
| doi_str_mv | 10.1109/JESTPE.2021.3132258 |
| format | Article |
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However, a trade-off exists between the harmonic filtering effect and the harmonic voltage tolerance because its admittance is fixed. This article focuses on the SC with series inverter (active SC) and proposes a novel control system to satisfy both the harmonic filtering effect and the harmonic voltage tolerance. The proposed control system adjusts the equivalent admittance of the active SC according to the grid harmonic voltage. The active SC contributes to the harmonic compensation in normal condition. When the harmonic voltage rises excessively, it protects itself from the overload. Theoretical analysis reveals that the dc voltage of the inverter can be as low as 10% of the rated grid voltage. Experimental results verify that the active SC can filter a harmonic current as high as 50% of its rated current, and tolerate a harmonic voltage around two times higher than the conventional SC with series reactor. Moreover, it is verified that the active SC can operate properly under unbalanced grid voltage and transients of harmonic voltages.</description><identifier>ISSN: 2168-6777</identifier><identifier>EISSN: 2168-6785</identifier><identifier>DOI: 10.1109/JESTPE.2021.3132258</identifier><identifier>CODEN: IJESN2</identifier><language>eng</language><publisher>Piscataway: IEEE</publisher><subject>Capacitors ; Control systems ; Electric potential ; Electrical impedance ; Filtration ; Harmonic analysis ; Harmonic compensation ; Harmonics ; improvement of harmonic tolerance ; Inductors ; Inverters ; Power factor ; Power harmonic filters ; series inverter ; series reactor ; shunt capacitor ; Shunt capacitors ; Shunts (electrical) ; Voltage</subject><ispartof>IEEE journal of emerging and selected topics in power electronics, 2022-06, Vol.10 (3), p.3087-3099</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c256t-a354195683654bdb0cb1999dac8be129122cb4dcc77eb8381a15ac4e1a41be7f3</citedby><cites>FETCH-LOGICAL-c256t-a354195683654bdb0cb1999dac8be129122cb4dcc77eb8381a15ac4e1a41be7f3</cites><orcidid>0000-0002-5188-3048</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9632571$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/9632571$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Cirilo Leandro, Guilherme</creatorcontrib><creatorcontrib>Sano, Kenichiro</creatorcontrib><creatorcontrib>Okada, Naotaka</creatorcontrib><title>A Variable Admittance Shunt Capacitor Using Series Inverter for Filtering Harmonics of Distribution Systems</title><title>IEEE journal of emerging and selected topics in power electronics</title><addtitle>JESTPE</addtitle><description>Conventional shunt capacitors (SCs) with series reactor can filter the harmonic currents generated by the load in addition to improving the power factor. However, a trade-off exists between the harmonic filtering effect and the harmonic voltage tolerance because its admittance is fixed. This article focuses on the SC with series inverter (active SC) and proposes a novel control system to satisfy both the harmonic filtering effect and the harmonic voltage tolerance. The proposed control system adjusts the equivalent admittance of the active SC according to the grid harmonic voltage. The active SC contributes to the harmonic compensation in normal condition. When the harmonic voltage rises excessively, it protects itself from the overload. Theoretical analysis reveals that the dc voltage of the inverter can be as low as 10% of the rated grid voltage. Experimental results verify that the active SC can filter a harmonic current as high as 50% of its rated current, and tolerate a harmonic voltage around two times higher than the conventional SC with series reactor. Moreover, it is verified that the active SC can operate properly under unbalanced grid voltage and transients of harmonic voltages.</description><subject>Capacitors</subject><subject>Control systems</subject><subject>Electric potential</subject><subject>Electrical impedance</subject><subject>Filtration</subject><subject>Harmonic analysis</subject><subject>Harmonic compensation</subject><subject>Harmonics</subject><subject>improvement of harmonic tolerance</subject><subject>Inductors</subject><subject>Inverters</subject><subject>Power factor</subject><subject>Power harmonic filters</subject><subject>series inverter</subject><subject>series reactor</subject><subject>shunt capacitor</subject><subject>Shunt capacitors</subject><subject>Shunts (electrical)</subject><subject>Voltage</subject><issn>2168-6777</issn><issn>2168-6785</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kEFrAjEQhZfSQsX6C7wEetbuJJtNchSr1SK0oPa6JNnZNlZ3bRIL_vuubHEu8-C9NwNfkgwhHQOk6ul1tt68z8Y0pTBmwCjl8ibpUcjlKBeS3161EPfJIIRd2o6kXAnZS74n5EN7p80eyaQ8uBh1bZGsv051JFN91NbFxpNtcPUnWaN3GMiy_kUf0ZOqdeZu38qLu9D-0NTOBtJU5NmF6J05RdfUZH0OEQ_hIbmr9D7g4H_3k-18tpkuRqu3l-V0shpZyvM40oxnoHguWc4zU5rUGlBKldpKg0AVUGpNVlorBBrJJGjg2mYIOgODomL95LG7e_TNzwlDLHbNydfty4LmgqZSpZC1KdalrG9C8FgVR-8O2p8LSIsL2KIDW1zAFv9g29awazlEvDZUzigXwP4Ayp91pQ</recordid><startdate>20220601</startdate><enddate>20220601</enddate><creator>Cirilo Leandro, Guilherme</creator><creator>Sano, Kenichiro</creator><creator>Okada, Naotaka</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-5188-3048</orcidid></search><sort><creationdate>20220601</creationdate><title>A Variable Admittance Shunt Capacitor Using Series Inverter for Filtering Harmonics of Distribution Systems</title><author>Cirilo Leandro, Guilherme ; Sano, Kenichiro ; Okada, Naotaka</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c256t-a354195683654bdb0cb1999dac8be129122cb4dcc77eb8381a15ac4e1a41be7f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Capacitors</topic><topic>Control systems</topic><topic>Electric potential</topic><topic>Electrical impedance</topic><topic>Filtration</topic><topic>Harmonic analysis</topic><topic>Harmonic compensation</topic><topic>Harmonics</topic><topic>improvement of harmonic tolerance</topic><topic>Inductors</topic><topic>Inverters</topic><topic>Power factor</topic><topic>Power harmonic filters</topic><topic>series inverter</topic><topic>series reactor</topic><topic>shunt capacitor</topic><topic>Shunt capacitors</topic><topic>Shunts (electrical)</topic><topic>Voltage</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cirilo Leandro, Guilherme</creatorcontrib><creatorcontrib>Sano, Kenichiro</creatorcontrib><creatorcontrib>Okada, Naotaka</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>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE journal of emerging and selected topics in power electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Cirilo Leandro, Guilherme</au><au>Sano, Kenichiro</au><au>Okada, Naotaka</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Variable Admittance Shunt Capacitor Using Series Inverter for Filtering Harmonics of Distribution Systems</atitle><jtitle>IEEE journal of emerging and selected topics in power electronics</jtitle><stitle>JESTPE</stitle><date>2022-06-01</date><risdate>2022</risdate><volume>10</volume><issue>3</issue><spage>3087</spage><epage>3099</epage><pages>3087-3099</pages><issn>2168-6777</issn><eissn>2168-6785</eissn><coden>IJESN2</coden><abstract>Conventional shunt capacitors (SCs) with series reactor can filter the harmonic currents generated by the load in addition to improving the power factor. However, a trade-off exists between the harmonic filtering effect and the harmonic voltage tolerance because its admittance is fixed. This article focuses on the SC with series inverter (active SC) and proposes a novel control system to satisfy both the harmonic filtering effect and the harmonic voltage tolerance. The proposed control system adjusts the equivalent admittance of the active SC according to the grid harmonic voltage. The active SC contributes to the harmonic compensation in normal condition. When the harmonic voltage rises excessively, it protects itself from the overload. Theoretical analysis reveals that the dc voltage of the inverter can be as low as 10% of the rated grid voltage. Experimental results verify that the active SC can filter a harmonic current as high as 50% of its rated current, and tolerate a harmonic voltage around two times higher than the conventional SC with series reactor. Moreover, it is verified that the active SC can operate properly under unbalanced grid voltage and transients of harmonic voltages.</abstract><cop>Piscataway</cop><pub>IEEE</pub><doi>10.1109/JESTPE.2021.3132258</doi><tpages>13</tpages><orcidid>https://orcid.org/0000-0002-5188-3048</orcidid></addata></record> |
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| ispartof | IEEE journal of emerging and selected topics in power electronics, 2022-06, Vol.10 (3), p.3087-3099 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Capacitors Control systems Electric potential Electrical impedance Filtration Harmonic analysis Harmonic compensation Harmonics improvement of harmonic tolerance Inductors Inverters Power factor Power harmonic filters series inverter series reactor shunt capacitor Shunt capacitors Shunts (electrical) Voltage |
| title | A Variable Admittance Shunt Capacitor Using Series Inverter for Filtering Harmonics of Distribution Systems |
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