A Bidirectional Multilevel Boost-Buck DC-DC Converter
A novel noninverting boost-buck dc-dc converter topology is presented, applicable when both sides of the converter need to have the same grounding. It is based on the back-to-back connection of two n-level active-clamped or diode-clamped converter legs, and allows bidirectional power flow. A simplif...
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| Veröffentlicht in: | IEEE transactions on power electronics 2011-08, Vol.26 (8), p.2172-2183 |
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| container_title | IEEE transactions on power electronics |
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| creator | Busquets-Monge, S. Alepuz, S. Bordonau, J. |
| description | A novel noninverting boost-buck dc-dc converter topology is presented, applicable when both sides of the converter need to have the same grounding. It is based on the back-to-back connection of two n-level active-clamped or diode-clamped converter legs, and allows bidirectional power flow. A simplified topology is proposed for unidirectional power flow applications. Two new pulse width modulation strategies with different advantages are proposed to operate the converter guaranteeing dc-link capacitor voltage balance in every switching cycle for all possible operating conditions and using small capacitance values. The semiconductor device losses are compared through analysis, simulation, and experiments to the losses in a conventional two-level boost-buck converter. The analysis yields a higher efficiency for the multilevel converter, especially as the number of levels increases. Experimental results are presented to validate the good converter performance in four- and five-level converter prototypes. |
| doi_str_mv | 10.1109/TPEL.2011.2105508 |
| format | Article |
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It is based on the back-to-back connection of two n-level active-clamped or diode-clamped converter legs, and allows bidirectional power flow. A simplified topology is proposed for unidirectional power flow applications. Two new pulse width modulation strategies with different advantages are proposed to operate the converter guaranteeing dc-link capacitor voltage balance in every switching cycle for all possible operating conditions and using small capacitance values. The semiconductor device losses are compared through analysis, simulation, and experiments to the losses in a conventional two-level boost-buck converter. The analysis yields a higher efficiency for the multilevel converter, especially as the number of levels increases. 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Electrical power engineering ; Electrical equipment ; Electrical machines ; Electrical power engineering ; Electronic circuits ; Electronics ; Exact sciences and technology ; Leg ; Load flow ; Multilevel ; multilevel systems ; Power electronics, power supplies ; Power flow ; Power networks and lines ; Prototypes ; Pulse duration modulation ; pulse width modulated power converters ; Pulse width modulation ; pulse width modulation (PWM) ; Signal convertors ; Switches ; Topology ; Users connections and in door installation</subject><ispartof>IEEE transactions on power electronics, 2011-08, Vol.26 (8), p.2172-2183</ispartof><rights>2015 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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It is based on the back-to-back connection of two n-level active-clamped or diode-clamped converter legs, and allows bidirectional power flow. A simplified topology is proposed for unidirectional power flow applications. Two new pulse width modulation strategies with different advantages are proposed to operate the converter guaranteeing dc-link capacitor voltage balance in every switching cycle for all possible operating conditions and using small capacitance values. The semiconductor device losses are compared through analysis, simulation, and experiments to the losses in a conventional two-level boost-buck converter. The analysis yields a higher efficiency for the multilevel converter, especially as the number of levels increases. Experimental results are presented to validate the good converter performance in four- and five-level converter prototypes.</description><subject>Applied sciences</subject><subject>Bidirectional</subject><subject>Capacitance</subject><subject>Capacitors</subject><subject>Circuit properties</subject><subject>Converters</subject><subject>Convertors</subject><subject>DC-DC power conversion</subject><subject>Diodes</subject><subject>Electric currents</subject><subject>Electric power</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electrical equipment</subject><subject>Electrical machines</subject><subject>Electrical power engineering</subject><subject>Electronic circuits</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Leg</subject><subject>Load flow</subject><subject>Multilevel</subject><subject>multilevel systems</subject><subject>Power electronics, power supplies</subject><subject>Power flow</subject><subject>Power networks and lines</subject><subject>Prototypes</subject><subject>Pulse duration modulation</subject><subject>pulse width modulated power converters</subject><subject>Pulse width modulation</subject><subject>pulse width modulation (PWM)</subject><subject>Signal convertors</subject><subject>Switches</subject><subject>Topology</subject><subject>Users connections and in door installation</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkE1Lw0AQhhdRsFZ_gHgJgnhKnUmyye6xTesHVPRQz8tmM4GtaVN3k4L_3oSWHjzNYZ73ZeZh7BZhggjyafW5WE4iQJxECJyDOGMjlAmGgJCdsxEIwUMhZXzJrrxfA2DCAUeMT4OZLa0j09pmq-vgvatbW9Oe6mDWNL4NZ535DuZ5OM-DvNnuybXkrtlFpWtPN8c5Zl_Pi1X-Gi4_Xt7y6TI0MU_asKpEGRHpjEgUJqsqAFlg0p9UlKKUWqZFmZkqTeOoIF5IaSCRxPtESmmGJh6zx0PvzjU_HflWbaw3VNd6S03nlcQkjUFEvCfv_5HrpnP9Q14JkWQYCw49hAfIuMZ7R5XaObvR7lchqEGjGjSqQaM6auwzD8di7Y2uK6e3xvpTMEo4xpEYuLsDZ4notOap4DyD-A9oL3nE</recordid><startdate>20110801</startdate><enddate>20110801</enddate><creator>Busquets-Monge, S.</creator><creator>Alepuz, S.</creator><creator>Bordonau, J.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| ispartof | IEEE transactions on power electronics, 2011-08, Vol.26 (8), p.2172-2183 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Applied sciences Bidirectional Capacitance Capacitors Circuit properties Converters Convertors DC-DC power conversion Diodes Electric currents Electric power Electric, optical and optoelectronic circuits Electrical engineering. Electrical power engineering Electrical equipment Electrical machines Electrical power engineering Electronic circuits Electronics Exact sciences and technology Leg Load flow Multilevel multilevel systems Power electronics, power supplies Power flow Power networks and lines Prototypes Pulse duration modulation pulse width modulated power converters Pulse width modulation pulse width modulation (PWM) Signal convertors Switches Topology Users connections and in door installation |
| title | A Bidirectional Multilevel Boost-Buck DC-DC Converter |
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