Evaluation of the low-frequency neutral-point voltage oscillations in the three-level inverter
The nearest vectors to the reference vector are commonly used in space-vector modulation (SVM) strategies. The main advantages of these modulation strategies are the low switching frequencies of the devices, the good output voltage spectra, and the low electromagnetic interference. However, when the...
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| Veröffentlicht in: | IEEE transactions on industrial electronics (1982) 2005-12, Vol.52 (6), p.1582-1588 |
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| container_title | IEEE transactions on industrial electronics (1982) |
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| creator | Pou, J. Pindado, R. Boroyevich, D. Rodriguez, P. |
| description | The nearest vectors to the reference vector are commonly used in space-vector modulation (SVM) strategies. The main advantages of these modulation strategies are the low switching frequencies of the devices, the good output voltage spectra, and the low electromagnetic interference. However, when these techniques are applied to the three-level neutral-point (NP)-clamped inverter, low-frequency oscillations appear in the NP voltage for some operating conditions. As a result, the value of the dc-link capacitors must be increased in order to attenuate such oscillations. In this paper, these amplitudes are quantified for two modulation strategies that use nearest vectors to the reference vector. Owing to the nondimensional variables used in the analysis, the information provided will help for the calculation of the dc-link capacitors in a given specific application. Simulated and experimental examples are presented. |
| doi_str_mv | 10.1109/TIE.2005.858723 |
| format | Article |
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The main advantages of these modulation strategies are the low switching frequencies of the devices, the good output voltage spectra, and the low electromagnetic interference. However, when these techniques are applied to the three-level neutral-point (NP)-clamped inverter, low-frequency oscillations appear in the NP voltage for some operating conditions. As a result, the value of the dc-link capacitors must be increased in order to attenuate such oscillations. In this paper, these amplitudes are quantified for two modulation strategies that use nearest vectors to the reference vector. Owing to the nondimensional variables used in the analysis, the information provided will help for the calculation of the dc-link capacitors in a given specific application. Simulated and experimental examples are presented.</description><identifier>ISSN: 0278-0046</identifier><identifier>EISSN: 1557-9948</identifier><identifier>DOI: 10.1109/TIE.2005.858723</identifier><identifier>CODEN: ITIED6</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Capacitors ; Costs ; DC-link capacitors ; Inverters ; low-frequency oscillation ; nearest vectors ; neutral-point balance ; Power engineering and energy ; Power quality ; Rectifiers ; Renewable energy resources ; Support vector machines ; Switching frequency ; three-level inverter ; Voltage</subject><ispartof>IEEE transactions on industrial electronics (1982), 2005-12, Vol.52 (6), p.1582-1588</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2005</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c288t-1363da780ab509fc995141bad20df3b67ee8fc5531fe6532678b1bf33473dabf3</citedby><cites>FETCH-LOGICAL-c288t-1363da780ab509fc995141bad20df3b67ee8fc5531fe6532678b1bf33473dabf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1546373$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1546373$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Pou, J.</creatorcontrib><creatorcontrib>Pindado, R.</creatorcontrib><creatorcontrib>Boroyevich, D.</creatorcontrib><creatorcontrib>Rodriguez, P.</creatorcontrib><title>Evaluation of the low-frequency neutral-point voltage oscillations in the three-level inverter</title><title>IEEE transactions on industrial electronics (1982)</title><addtitle>TIE</addtitle><description>The nearest vectors to the reference vector are commonly used in space-vector modulation (SVM) strategies. The main advantages of these modulation strategies are the low switching frequencies of the devices, the good output voltage spectra, and the low electromagnetic interference. However, when these techniques are applied to the three-level neutral-point (NP)-clamped inverter, low-frequency oscillations appear in the NP voltage for some operating conditions. As a result, the value of the dc-link capacitors must be increased in order to attenuate such oscillations. In this paper, these amplitudes are quantified for two modulation strategies that use nearest vectors to the reference vector. Owing to the nondimensional variables used in the analysis, the information provided will help for the calculation of the dc-link capacitors in a given specific application. Simulated and experimental examples are presented.</description><subject>Capacitors</subject><subject>Costs</subject><subject>DC-link capacitors</subject><subject>Inverters</subject><subject>low-frequency oscillation</subject><subject>nearest vectors</subject><subject>neutral-point balance</subject><subject>Power engineering and energy</subject><subject>Power quality</subject><subject>Rectifiers</subject><subject>Renewable energy resources</subject><subject>Support vector machines</subject><subject>Switching frequency</subject><subject>three-level inverter</subject><subject>Voltage</subject><issn>0278-0046</issn><issn>1557-9948</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpFkM1PwyAYh4nRxDk9e_DSeGeDUgoczTJ1yRIv8yqh3YvrgmVSWrP_XraaeOIN-T3vx4PQPSUzSomab1bLWU4In0kuRc4u0IRyLrBShbxEE5ILiQkpymt003V7QmjBKZ-gj-VgXG9i49vM2yzuIHP-B9sA3z209TFroY_BOHzwTRuzwbtoPiHzXd04d8a6rGnPXNwFAOxgAJe-BggRwi26ssZ1cPf3TtH783KzeMXrt5fV4mmN61zKiCkr2dYISUzFibK1UpwWtDLbnGwtq0oBIG3NOaMWSs7yUsiKVpaxQiQuFVP0OPY9BJ8W76Le-z60aaSWkqVTlaIpNB9DdfBdF8DqQ2i-TDhqSvTJoU4O9cmhHh0m4mEkGgD4T_OiZIKxX0oJbqc</recordid><startdate>20051201</startdate><enddate>20051201</enddate><creator>Pou, J.</creator><creator>Pindado, R.</creator><creator>Boroyevich, D.</creator><creator>Rodriguez, P.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The main advantages of these modulation strategies are the low switching frequencies of the devices, the good output voltage spectra, and the low electromagnetic interference. However, when these techniques are applied to the three-level neutral-point (NP)-clamped inverter, low-frequency oscillations appear in the NP voltage for some operating conditions. As a result, the value of the dc-link capacitors must be increased in order to attenuate such oscillations. In this paper, these amplitudes are quantified for two modulation strategies that use nearest vectors to the reference vector. Owing to the nondimensional variables used in the analysis, the information provided will help for the calculation of the dc-link capacitors in a given specific application. Simulated and experimental examples are presented.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TIE.2005.858723</doi><tpages>7</tpages></addata></record> |
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| subjects | Capacitors Costs DC-link capacitors Inverters low-frequency oscillation nearest vectors neutral-point balance Power engineering and energy Power quality Rectifiers Renewable energy resources Support vector machines Switching frequency three-level inverter Voltage |
| title | Evaluation of the low-frequency neutral-point voltage oscillations in the three-level inverter |
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