Step-Up DC-DC Switching Converter With Single Switch and Multi-Outputs Based on Luo Topology
In this paper, a step-up DC-DC multi-output converter is introduced by integrating a super-lift Luo converter, flyback topology, and coupled inductor concept. The proposed multi-output converter has positive output super-lift structure while simultaneously generating step-up voltages in its outputs....
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| Veröffentlicht in: | IEEE access 2022, Vol.10, p.16871-16882 |
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| creator | Ghasemi, Fereshteh Yazdani, Mohammad Rouhollah Delshad, Majid |
| description | In this paper, a step-up DC-DC multi-output converter is introduced by integrating a super-lift Luo converter, flyback topology, and coupled inductor concept. The proposed multi-output converter has positive output super-lift structure while simultaneously generating step-up voltages in its outputs. The proposed step-up converter has two non-isolated and one isolated output with a simple structure using one switch and one magnetic core. There is no voltage spike by the leakage inductance of the coupled inductor across the switch in the proposed converter. Therefore, the switch has low-stress voltage. The energy in the leakage inductor is recycled leading to higher efficiency in comparison to similar converters with the coupled inductor. The operating principles and the characteristics of the proposed converter are analyzed and discussed. The experimental results of 110W prototype verify the theoretical analysis and the benefits of the proposed converter in comparison to similar multi-output converters. The conducted electromagnetic interference evaluation of the proposed converter is presented and it is reduced using a common-mode choke. |
| doi_str_mv | 10.1109/ACCESS.2022.3150316 |
| format | Article |
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The proposed multi-output converter has positive output super-lift structure while simultaneously generating step-up voltages in its outputs. The proposed step-up converter has two non-isolated and one isolated output with a simple structure using one switch and one magnetic core. There is no voltage spike by the leakage inductance of the coupled inductor across the switch in the proposed converter. Therefore, the switch has low-stress voltage. The energy in the leakage inductor is recycled leading to higher efficiency in comparison to similar converters with the coupled inductor. The operating principles and the characteristics of the proposed converter are analyzed and discussed. The experimental results of 110W prototype verify the theoretical analysis and the benefits of the proposed converter in comparison to similar multi-output converters. The conducted electromagnetic interference evaluation of the proposed converter is presented and it is reduced using a common-mode choke.</description><identifier>ISSN: 2169-3536</identifier><identifier>EISSN: 2169-3536</identifier><identifier>DOI: 10.1109/ACCESS.2022.3150316</identifier><identifier>CODEN: IAECCG</identifier><language>eng</language><publisher>Piscataway: IEEE</publisher><subject>Buck converters ; Capacitors ; Conducted EMI ; Converters ; coupled inductor ; Electric potential ; Electromagnetic interference ; Inductance ; Inductors ; Leakage ; Luo converter ; Magnetic cores ; multi-outputs ; step-up DC-DC conversion ; Switches ; Topology ; Voltage</subject><ispartof>IEEE access, 2022, Vol.10, p.16871-16882</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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The proposed multi-output converter has positive output super-lift structure while simultaneously generating step-up voltages in its outputs. The proposed step-up converter has two non-isolated and one isolated output with a simple structure using one switch and one magnetic core. There is no voltage spike by the leakage inductance of the coupled inductor across the switch in the proposed converter. Therefore, the switch has low-stress voltage. The energy in the leakage inductor is recycled leading to higher efficiency in comparison to similar converters with the coupled inductor. The operating principles and the characteristics of the proposed converter are analyzed and discussed. The experimental results of 110W prototype verify the theoretical analysis and the benefits of the proposed converter in comparison to similar multi-output converters. The conducted electromagnetic interference evaluation of the proposed converter is presented and it is reduced using a common-mode choke.</description><subject>Buck converters</subject><subject>Capacitors</subject><subject>Conducted EMI</subject><subject>Converters</subject><subject>coupled inductor</subject><subject>Electric potential</subject><subject>Electromagnetic interference</subject><subject>Inductance</subject><subject>Inductors</subject><subject>Leakage</subject><subject>Luo converter</subject><subject>Magnetic cores</subject><subject>multi-outputs</subject><subject>step-up DC-DC conversion</subject><subject>Switches</subject><subject>Topology</subject><subject>Voltage</subject><issn>2169-3536</issn><issn>2169-3536</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>ESBDL</sourceid><sourceid>RIE</sourceid><sourceid>DOA</sourceid><recordid>eNpNUU1LxDAQLaKgqL_AS8Bz1yTTpMlR6yeseKjiRQhpkl271KamqeK_N9pFnMsMb-a9efCy7ITgBSFYnp1X1VVdLyimdAGEYSB8JzughMscGPDdf_N-djyOG5xKJIiVB9lLHd2QPw3ossovK1R_ttG8tv0aVb7_cCG6gJ7b-IrqhHVuu0e6t-h-6mKbP0xxmOKILvToLPI9Wk4ePfrBd379dZTtrXQ3uuNtP8yerq8eq9t8-XBzV50vc1NgEZMzrCkuG2hAaGYbpi1nYC3TDggUhjTaMWi0MUQm36UoODi6okCdllau4DC7m3Wt1xs1hPZNhy_ldat-AR_WSofYms6pBpe2KDkTpWCFIIUmkkLJuSnACCNt0jqdtYbg3yc3RrXxU-iTfUU5lYSygpF0BfOVCX4cg1v9fSVY_aSi5lTUTypqm0pincys1jn3x5AlllRg-AZh1oY2</recordid><startdate>2022</startdate><enddate>2022</enddate><creator>Ghasemi, Fereshteh</creator><creator>Yazdani, Mohammad Rouhollah</creator><creator>Delshad, Majid</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The proposed multi-output converter has positive output super-lift structure while simultaneously generating step-up voltages in its outputs. The proposed step-up converter has two non-isolated and one isolated output with a simple structure using one switch and one magnetic core. There is no voltage spike by the leakage inductance of the coupled inductor across the switch in the proposed converter. Therefore, the switch has low-stress voltage. The energy in the leakage inductor is recycled leading to higher efficiency in comparison to similar converters with the coupled inductor. The operating principles and the characteristics of the proposed converter are analyzed and discussed. The experimental results of 110W prototype verify the theoretical analysis and the benefits of the proposed converter in comparison to similar multi-output converters. 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| source | IEEE Open Access Journals; DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Buck converters Capacitors Conducted EMI Converters coupled inductor Electric potential Electromagnetic interference Inductance Inductors Leakage Luo converter Magnetic cores multi-outputs step-up DC-DC conversion Switches Topology Voltage |
| title | Step-Up DC-DC Switching Converter With Single Switch and Multi-Outputs Based on Luo Topology |
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