Optimized Parameters Design and Adaptive Duty-Cycle Adjustment for Class E DC-DC Converter With on-off Control
The Class E dc-dc converter, with a simple topology and zero-voltage-switching (ZVS) for the power switch, can operate at a switching frequency of up to megahertz. In this paper, an optimized ZVS operation condition for minimizing the switch voltage stress, switch rms current, and switch voltage har...
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| Veröffentlicht in: | IEEE transactions on power electronics 2019-08, Vol.34 (8), p.7728-7744 |
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| creator | Li, Ying Ruan, Xinbo Zhang, Li Dai, Jiandong Jin, Qian |
| description | The Class E dc-dc converter, with a simple topology and zero-voltage-switching (ZVS) for the power switch, can operate at a switching frequency of up to megahertz. In this paper, an optimized ZVS operation condition for minimizing the switch voltage stress, switch rms current, and switch voltage harmonic components is derived for the on - off controlled Class E dc-dc converter by optimizing the time instant at which the switch voltage resonates back to zero. Based on this result, a step-by-step parameter design approach is proposed for a Class E dc-dc converter with a large input inductor, which avoids time-consuming simulations or complex numerical calculations. Then, a capacitance compensation approach is further proposed to extend the design results to a Class E dc-dc converter with a resonant input inductor. Furthermore, an adaptive duty-cycle adjustment scheme is proposed for reducing the reverse conduction loss of the power switch, thereby improving the conversion efficiency over the entire input voltage range. Finally, a prototype of a 20-MHz 10-W Class E dc-dc converter is built and tested in the laboratory, and experimental results are presented to verify the effectiveness of the proposed optimized parameter design approach and the adaptive duty-cycle adjustment scheme. |
| doi_str_mv | 10.1109/TPEL.2018.2881170 |
| format | Article |
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In this paper, an optimized ZVS operation condition for minimizing the switch voltage stress, switch rms current, and switch voltage harmonic components is derived for the on - off controlled Class E dc-dc converter by optimizing the time instant at which the switch voltage resonates back to zero. Based on this result, a step-by-step parameter design approach is proposed for a Class E dc-dc converter with a large input inductor, which avoids time-consuming simulations or complex numerical calculations. Then, a capacitance compensation approach is further proposed to extend the design results to a Class E dc-dc converter with a resonant input inductor. Furthermore, an adaptive duty-cycle adjustment scheme is proposed for reducing the reverse conduction loss of the power switch, thereby improving the conversion efficiency over the entire input voltage range. Finally, a prototype of a 20-MHz 10-W Class E dc-dc converter is built and tested in the laboratory, and experimental results are presented to verify the effectiveness of the proposed optimized parameter design approach and the adaptive duty-cycle adjustment scheme.</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2018.2881170</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject><sc xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">on ‐<sc xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">off control ; Class E dc–dc converter ; Computer simulation ; Conduction losses ; Converters ; DC-DC power converters ; Design optimization ; Design parameters ; duty-cycle adjustment ; Electric potential ; Energy conversion efficiency ; Inductors ; parameter design ; Rectifiers ; Switches ; Switching ; Switching frequency ; Topology ; Voltage control ; Zero voltage switching ; zero-voltage-switching (ZVS)</subject><ispartof>IEEE transactions on power electronics, 2019-08, Vol.34 (8), p.7728-7744</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c293t-894265cb45690fda6f3029238053d7b85bf9d3285d910f3bbf7eeca4f98500ab3</citedby><cites>FETCH-LOGICAL-c293t-894265cb45690fda6f3029238053d7b85bf9d3285d910f3bbf7eeca4f98500ab3</cites><orcidid>0000-0001-5507-7740 ; 0000-0002-8683-7113 ; 0000-0002-5351-3032 ; 0000-0003-2579-6917</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8533422$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27923,27924,54757</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8533422$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Li, Ying</creatorcontrib><creatorcontrib>Ruan, Xinbo</creatorcontrib><creatorcontrib>Zhang, Li</creatorcontrib><creatorcontrib>Dai, Jiandong</creatorcontrib><creatorcontrib>Jin, Qian</creatorcontrib><title>Optimized Parameters Design and Adaptive Duty-Cycle Adjustment for Class E DC-DC Converter With on-off Control</title><title>IEEE transactions on power electronics</title><addtitle>TPEL</addtitle><description>The Class E dc-dc converter, with a simple topology and zero-voltage-switching (ZVS) for the power switch, can operate at a switching frequency of up to megahertz. In this paper, an optimized ZVS operation condition for minimizing the switch voltage stress, switch rms current, and switch voltage harmonic components is derived for the on - off controlled Class E dc-dc converter by optimizing the time instant at which the switch voltage resonates back to zero. Based on this result, a step-by-step parameter design approach is proposed for a Class E dc-dc converter with a large input inductor, which avoids time-consuming simulations or complex numerical calculations. Then, a capacitance compensation approach is further proposed to extend the design results to a Class E dc-dc converter with a resonant input inductor. Furthermore, an adaptive duty-cycle adjustment scheme is proposed for reducing the reverse conduction loss of the power switch, thereby improving the conversion efficiency over the entire input voltage range. Finally, a prototype of a 20-MHz 10-W Class E dc-dc converter is built and tested in the laboratory, and experimental results are presented to verify the effectiveness of the proposed optimized parameter design approach and the adaptive duty-cycle adjustment scheme.</description><subject><sc xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">on ‐<sc xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">off control</subject><subject>Class E dc–dc converter</subject><subject>Computer simulation</subject><subject>Conduction losses</subject><subject>Converters</subject><subject>DC-DC power converters</subject><subject>Design optimization</subject><subject>Design parameters</subject><subject>duty-cycle adjustment</subject><subject>Electric potential</subject><subject>Energy conversion efficiency</subject><subject>Inductors</subject><subject>parameter design</subject><subject>Rectifiers</subject><subject>Switches</subject><subject>Switching</subject><subject>Switching frequency</subject><subject>Topology</subject><subject>Voltage control</subject><subject>Zero voltage switching</subject><subject>zero-voltage-switching (ZVS)</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kF1LwzAUhoMoOKc_QLwJeN15TtK0yeVo5wcMtouJlyVtE-3ox0wyYf56Oza8OnB43vccHkLuEWaIoJ4268VyxgDljEmJmMIFmaCKMQKE9JJMQEoRSaX4NbnxfguAsQCckH61C03X_JqarrXTnQnGeZob33z2VPc1ndd6JH4MzffhEGWHqjXjbrv3oTN9oHZwNGu193RB8yzKM5oN_Y9xYw39aMIXHfposPa4DW5ob8mV1a03d-c5Je_Pi032Gi1XL2_ZfBlVTPEwPhqzRFRlLBIFttaJ5cAU4xIEr9NSitKqmjMpaoVgeVna1JhKx1ZJAaBLPiWPp96dG773xodiO-xdP54sGOMoU0gQRwpPVOUG752xxc41nXaHAqE4ai2OWouj1uKsdcw8nDKNMeafl4LzeGz-A9VAcuM</recordid><startdate>20190801</startdate><enddate>20190801</enddate><creator>Li, Ying</creator><creator>Ruan, Xinbo</creator><creator>Zhang, Li</creator><creator>Dai, Jiandong</creator><creator>Jin, Qian</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| ispartof | IEEE transactions on power electronics, 2019-08, Vol.34 (8), p.7728-7744 |
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| language | eng |
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| subjects | <sc xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">on ‐<sc xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">off control Class E dc–dc converter Computer simulation Conduction losses Converters DC-DC power converters Design optimization Design parameters duty-cycle adjustment Electric potential Energy conversion efficiency Inductors parameter design Rectifiers Switches Switching Switching frequency Topology Voltage control Zero voltage switching zero-voltage-switching (ZVS) |
| title | Optimized Parameters Design and Adaptive Duty-Cycle Adjustment for Class E DC-DC Converter With on-off Control |
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