Analytical closed-form expressions of DC current ripple for three-level neutral point clamped inverters with space-vector pulse-width modulation
The current ripple of the DC bus is a key factor for the DC-link capacitor parameter design of three-level neutral point clamped (NPC) inverters. It directly affects the selection of capacitor type and material. In this study, an analytical closed-form expression of DC current ripple for NPC inverte...
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| Veröffentlicht in: | IET power electronics 2016-04, Vol.9 (5), p.930-937 |
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| creator | Kai, Li Mengshu, Li Zhengfeng, Liang Zhenghua, Dong Shaoju, Tian |
| description | The current ripple of the DC bus is a key factor for the DC-link capacitor parameter design of three-level neutral point clamped (NPC) inverters. It directly affects the selection of capacitor type and material. In this study, an analytical closed-form expression of DC current ripple for NPC inverters with space-vector pulse-width modulation (SVPWM) is proposed based on an analytical study of the calculation principle of capacitor current ripple and SVPWM algorithm. The closed-form expression of DC-link capacitor current ripple is given by modulation index M and power factor angle φ. The deviation of calculation and experience is within 5.7% in spite of neglecting the output current ripple. The analytical closed-form expression provides a convenient way to design the DC-link capacitor of a three-level NPC inverter. |
| doi_str_mv | 10.1049/iet-pel.2015.0492 |
| format | Article |
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It directly affects the selection of capacitor type and material. In this study, an analytical closed-form expression of DC current ripple for NPC inverters with space-vector pulse-width modulation (SVPWM) is proposed based on an analytical study of the calculation principle of capacitor current ripple and SVPWM algorithm. The closed-form expression of DC-link capacitor current ripple is given by modulation index M and power factor angle φ. The deviation of calculation and experience is within 5.7% in spite of neglecting the output current ripple. The analytical closed-form expression provides a convenient way to design the DC-link capacitor of a three-level NPC inverter.</description><identifier>ISSN: 1755-4535</identifier><identifier>ISSN: 1755-4543</identifier><identifier>EISSN: 1755-4543</identifier><identifier>DOI: 10.1049/iet-pel.2015.0492</identifier><language>eng</language><publisher>The Institution of Engineering and Technology</publisher><subject>analytical closed‐form expressions ; Capacitors ; DC bus ; DC current ripple ; DC‐link capacitor current ripple ; DC‐link capacitor parameter design ; Design analysis ; Direct current ; Exact solutions ; Inverters ; Mathematical analysis ; Modulation ; modulation index ; power factor ; power factor angle ; PWM invertors ; Ripples ; space‐vector pulse‐width modulation ; three‐level neutral point clamped inverters ; three‐level NPC inverter</subject><ispartof>IET power electronics, 2016-04, Vol.9 (5), p.930-937</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-c4012-96d109347361b4bb660174d7b5448c6420b2af2285df0a3536f2e05af24871683</citedby><cites>FETCH-LOGICAL-c4012-96d109347361b4bb660174d7b5448c6420b2af2285df0a3536f2e05af24871683</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.2015.0492$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1049%2Fiet-pel.2015.0492$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,11560,27922,27923,45572,45573,46050,46474</link.rule.ids><linktorsrc>$$Uhttps://onlinelibrary.wiley.com/doi/abs/10.1049%2Fiet-pel.2015.0492$$EView_record_in_Wiley-Blackwell$$FView_record_in_$$GWiley-Blackwell</linktorsrc></links><search><creatorcontrib>Kai, Li</creatorcontrib><creatorcontrib>Mengshu, Li</creatorcontrib><creatorcontrib>Zhengfeng, Liang</creatorcontrib><creatorcontrib>Zhenghua, Dong</creatorcontrib><creatorcontrib>Shaoju, Tian</creatorcontrib><title>Analytical closed-form expressions of DC current ripple for three-level neutral point clamped inverters with space-vector pulse-width modulation</title><title>IET power electronics</title><description>The current ripple of the DC bus is a key factor for the DC-link capacitor parameter design of three-level neutral point clamped (NPC) inverters. It directly affects the selection of capacitor type and material. In this study, an analytical closed-form expression of DC current ripple for NPC inverters with space-vector pulse-width modulation (SVPWM) is proposed based on an analytical study of the calculation principle of capacitor current ripple and SVPWM algorithm. The closed-form expression of DC-link capacitor current ripple is given by modulation index M and power factor angle φ. The deviation of calculation and experience is within 5.7% in spite of neglecting the output current ripple. The analytical closed-form expression provides a convenient way to design the DC-link capacitor of a three-level NPC inverter.</description><subject>analytical closed‐form expressions</subject><subject>Capacitors</subject><subject>DC bus</subject><subject>DC current ripple</subject><subject>DC‐link capacitor current ripple</subject><subject>DC‐link capacitor parameter design</subject><subject>Design analysis</subject><subject>Direct current</subject><subject>Exact solutions</subject><subject>Inverters</subject><subject>Mathematical analysis</subject><subject>Modulation</subject><subject>modulation index</subject><subject>power factor</subject><subject>power factor angle</subject><subject>PWM invertors</subject><subject>Ripples</subject><subject>space‐vector pulse‐width modulation</subject><subject>three‐level neutral point clamped inverters</subject><subject>three‐level NPC inverter</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>eNqFkcFu1DAURSMEEqX0A9h5CQtPbcd2MuzKMKWVRoJFu7Yc50V15cTGdmaYv-CTcRiEWKB2Zeu9c--V7quqd5SsKOHrSwsZB3ArRqhYlQF7UZ3RRgjMBa9f_v3X4nX1JqVHQiTloj2rfl5N2h2zNdoh43yCHg8-jgh-hAgpWT8l5Af0eYPMHCNMGUUbggNUKJQfIgB2sAeHJphzLCbB2wIZp8cAPbLTHmKGmNDB5geUgjaA92ByUYfZJcAH25fF6PvZ6Vzi3lavBl0WF3_e8-r-enu3ucG7r19uN1c7bDihDK9lT8m65k0tace7TkpCG943neC8NZIz0jE9MNaKfiC6FrUcGBBRRrxtqGzr8-r9yTdE_32GlNVokwHn9AR-ToquCWeCMkkLSk-oiT6lCIMK0Y46HhUlamlflfZVaV8t7aul_aL5eNIcrIPj8wL1bbtjn65JTX-L8Um8YI9-juVG6cmwD__hb7d3i-s_GaEf6l-ISqpk</recordid><startdate>20160420</startdate><enddate>20160420</enddate><creator>Kai, Li</creator><creator>Mengshu, Li</creator><creator>Zhengfeng, Liang</creator><creator>Zhenghua, Dong</creator><creator>Shaoju, Tian</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>20160420</creationdate><title>Analytical closed-form expressions of DC current ripple for three-level neutral point clamped inverters with space-vector pulse-width modulation</title><author>Kai, Li ; Mengshu, Li ; Zhengfeng, Liang ; Zhenghua, Dong ; Shaoju, Tian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4012-96d109347361b4bb660174d7b5448c6420b2af2285df0a3536f2e05af24871683</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>analytical closed‐form expressions</topic><topic>Capacitors</topic><topic>DC bus</topic><topic>DC current ripple</topic><topic>DC‐link capacitor current ripple</topic><topic>DC‐link capacitor parameter design</topic><topic>Design analysis</topic><topic>Direct current</topic><topic>Exact solutions</topic><topic>Inverters</topic><topic>Mathematical analysis</topic><topic>Modulation</topic><topic>modulation index</topic><topic>power factor</topic><topic>power factor angle</topic><topic>PWM invertors</topic><topic>Ripples</topic><topic>space‐vector pulse‐width modulation</topic><topic>three‐level neutral point clamped inverters</topic><topic>three‐level NPC inverter</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kai, Li</creatorcontrib><creatorcontrib>Mengshu, Li</creatorcontrib><creatorcontrib>Zhengfeng, Liang</creatorcontrib><creatorcontrib>Zhenghua, Dong</creatorcontrib><creatorcontrib>Shaoju, Tian</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>Kai, Li</au><au>Mengshu, Li</au><au>Zhengfeng, Liang</au><au>Zhenghua, Dong</au><au>Shaoju, Tian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analytical closed-form expressions of DC current ripple for three-level neutral point clamped inverters with space-vector pulse-width modulation</atitle><jtitle>IET power electronics</jtitle><date>2016-04-20</date><risdate>2016</risdate><volume>9</volume><issue>5</issue><spage>930</spage><epage>937</epage><pages>930-937</pages><issn>1755-4535</issn><issn>1755-4543</issn><eissn>1755-4543</eissn><abstract>The current ripple of the DC bus is a key factor for the DC-link capacitor parameter design of three-level neutral point clamped (NPC) inverters. It directly affects the selection of capacitor type and material. In this study, an analytical closed-form expression of DC current ripple for NPC inverters with space-vector pulse-width modulation (SVPWM) is proposed based on an analytical study of the calculation principle of capacitor current ripple and SVPWM algorithm. The closed-form expression of DC-link capacitor current ripple is given by modulation index M and power factor angle φ. The deviation of calculation and experience is within 5.7% in spite of neglecting the output current ripple. The analytical closed-form expression provides a convenient way to design the DC-link capacitor of a three-level NPC inverter.</abstract><pub>The Institution of Engineering and Technology</pub><doi>10.1049/iet-pel.2015.0492</doi><tpages>8</tpages></addata></record> |
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| subjects | analytical closed‐form expressions Capacitors DC bus DC current ripple DC‐link capacitor current ripple DC‐link capacitor parameter design Design analysis Direct current Exact solutions Inverters Mathematical analysis Modulation modulation index power factor power factor angle PWM invertors Ripples space‐vector pulse‐width modulation three‐level neutral point clamped inverters three‐level NPC inverter |
| title | Analytical closed-form expressions of DC current ripple for three-level neutral point clamped inverters with space-vector pulse-width modulation |
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