High-Efficiency Bidirectional Three-Level Series-Resonant Converter With Buck-Boost Capacity for High-Output Voltage Applications
To improve the efficiency and power density of electronic vehicles, battery packs with higher voltage levels have been gradually adopted. This change poses new challenges for conventional battery charger designs based on two-level topologies and low-voltage rating switches. Therefore, in this articl...
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| Veröffentlicht in: | IEEE transactions on transportation electrification 2021-09, Vol.7 (3), p.969-982 |
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| creator | Yang, Dongjiang Duan, Bin Zhang, Chenghui Shang, Yunlong Song, Jinqiu Bai, Hao Su, Qijun |
| description | To improve the efficiency and power density of electronic vehicles, battery packs with higher voltage levels have been gradually adopted. This change poses new challenges for conventional battery charger designs based on two-level topologies and low-voltage rating switches. Therefore, in this article, a bidirectional buck-boost three-level series-resonant converter (BBTL-SRC) for high-output voltage applications is proposed. The voltage stress of switches is reduced to only half of the output voltage, so the low-voltage rating switches with lower losses and costs can be used. In addition, the phase shift and pulsewidth modulation strategies are designed to realize buck and boost conversion. All switches can achieve zero-voltage switching, and the reactive current in resonant tank decreases significantly. Hence, the switching and conduction losses are reduced and efficiency is optimized. The operation principles and characteristics are analyzed in detail, and design considerations are provided. A 3.3-kW, 600-840-V output prototype is built and tested. The experimental results verify the effectiveness of the proposed BBTL-SRC. |
| doi_str_mv | 10.1109/TTE.2021.3055208 |
| format | Article |
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This change poses new challenges for conventional battery charger designs based on two-level topologies and low-voltage rating switches. Therefore, in this article, a bidirectional buck-boost three-level series-resonant converter (BBTL-SRC) for high-output voltage applications is proposed. The voltage stress of switches is reduced to only half of the output voltage, so the low-voltage rating switches with lower losses and costs can be used. In addition, the phase shift and pulsewidth modulation strategies are designed to realize buck and boost conversion. All switches can achieve zero-voltage switching, and the reactive current in resonant tank decreases significantly. Hence, the switching and conduction losses are reduced and efficiency is optimized. The operation principles and characteristics are analyzed in detail, and design considerations are provided. A 3.3-kW, 600-840-V output prototype is built and tested. The experimental results verify the effectiveness of the proposed BBTL-SRC.</description><identifier>ISSN: 2332-7782</identifier><identifier>ISSN: 2577-4212</identifier><identifier>EISSN: 2332-7782</identifier><identifier>DOI: 10.1109/TTE.2021.3055208</identifier><identifier>CODEN: ITTEBP</identifier><language>eng</language><publisher>Piscataway: IEEE</publisher><subject>Batteries ; Battery chargers ; Capacitors ; Conduction losses ; Converters ; Design ; Efficiency ; Electric potential ; High-output voltage applications ; Modulation ; phase-shift modulation ; Pulse duration ; series resonant tank ; Stress ; Switches ; Switching ; three-level dc–dc converter ; Topology ; Transportation ; Voltage ; Zero voltage switching</subject><ispartof>IEEE transactions on transportation electrification, 2021-09, Vol.7 (3), p.969-982</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c291t-533889b50af4a01cab513bbe4d95146525b005289ef872ea1f8203ca72cb6d333</citedby><cites>FETCH-LOGICAL-c291t-533889b50af4a01cab513bbe4d95146525b005289ef872ea1f8203ca72cb6d333</cites><orcidid>0000-0002-8745-9249 ; 0000-0002-2839-0712 ; 0000-0003-2317-5930 ; 0000-0002-4467-0677 ; 0000-0003-3302-1900</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9339946$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,777,781,793,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/9339946$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Yang, Dongjiang</creatorcontrib><creatorcontrib>Duan, Bin</creatorcontrib><creatorcontrib>Zhang, Chenghui</creatorcontrib><creatorcontrib>Shang, Yunlong</creatorcontrib><creatorcontrib>Song, Jinqiu</creatorcontrib><creatorcontrib>Bai, Hao</creatorcontrib><creatorcontrib>Su, Qijun</creatorcontrib><title>High-Efficiency Bidirectional Three-Level Series-Resonant Converter With Buck-Boost Capacity for High-Output Voltage Applications</title><title>IEEE transactions on transportation electrification</title><addtitle>TTE</addtitle><description>To improve the efficiency and power density of electronic vehicles, battery packs with higher voltage levels have been gradually adopted. This change poses new challenges for conventional battery charger designs based on two-level topologies and low-voltage rating switches. Therefore, in this article, a bidirectional buck-boost three-level series-resonant converter (BBTL-SRC) for high-output voltage applications is proposed. The voltage stress of switches is reduced to only half of the output voltage, so the low-voltage rating switches with lower losses and costs can be used. In addition, the phase shift and pulsewidth modulation strategies are designed to realize buck and boost conversion. All switches can achieve zero-voltage switching, and the reactive current in resonant tank decreases significantly. Hence, the switching and conduction losses are reduced and efficiency is optimized. The operation principles and characteristics are analyzed in detail, and design considerations are provided. A 3.3-kW, 600-840-V output prototype is built and tested. The experimental results verify the effectiveness of the proposed BBTL-SRC.</description><subject>Batteries</subject><subject>Battery chargers</subject><subject>Capacitors</subject><subject>Conduction losses</subject><subject>Converters</subject><subject>Design</subject><subject>Efficiency</subject><subject>Electric potential</subject><subject>High-output voltage applications</subject><subject>Modulation</subject><subject>phase-shift modulation</subject><subject>Pulse duration</subject><subject>series resonant tank</subject><subject>Stress</subject><subject>Switches</subject><subject>Switching</subject><subject>three-level dc–dc converter</subject><subject>Topology</subject><subject>Transportation</subject><subject>Voltage</subject><subject>Zero voltage switching</subject><issn>2332-7782</issn><issn>2577-4212</issn><issn>2332-7782</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpNkM9LwzAUx4MoOHR3wUvAc2d-NG1z3MZ0wmCgVY8lzV63zLrUJB3s6H9u64Z4eg_e9wfvg9ANJSNKibzP89mIEUZHnAjBSHaGBoxzFqVpxs7_7Zdo6P2WEEIFF5ImA_Q9N-tNNKsqow3s9AFPzMo40MHYnapxvnEA0QL2UOMXcAZ89Ay-O-0CntrdHlwAh99N2OBJqz-iibW-u6hGaRMOuLIO_xYs29C0Ab_ZOqg14HHT1EarvsRfo4tK1R6Gp3mFXh9m-XQeLZaPT9PxItJM0hAJzrNMloKoKlaEalUKyssS4pUUNE4EEyUhgmUSqixloGiVMcK1SpkukxXn_ArdHXMbZ79a8KHY2tZ1T_qCiYT1KaxXkaNKO-u9g6ponPlU7lBQUvSsi4510bMuTqw7y-3RYgDgTy45lzJO-A9nQ3sJ</recordid><startdate>20210901</startdate><enddate>20210901</enddate><creator>Yang, Dongjiang</creator><creator>Duan, Bin</creator><creator>Zhang, Chenghui</creator><creator>Shang, Yunlong</creator><creator>Song, Jinqiu</creator><creator>Bai, Hao</creator><creator>Su, Qijun</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| subjects | Batteries Battery chargers Capacitors Conduction losses Converters Design Efficiency Electric potential High-output voltage applications Modulation phase-shift modulation Pulse duration series resonant tank Stress Switches Switching three-level dc–dc converter Topology Transportation Voltage Zero voltage switching |
| title | High-Efficiency Bidirectional Three-Level Series-Resonant Converter With Buck-Boost Capacity for High-Output Voltage Applications |
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