Design Methodology of Tightly Regulated Dual-Output LLC Resonant Converter Using PFM-APWM Hybrid Control Method
A dual-output LLC resonant converter using pulse frequency modulation (PFM) and asymmetrical pulse width modulation (APWM) can achieve tight output voltage regulation, high power density, and high cost-effectiveness. However, an improper resonant tank design cannot achieve tight cross regulation of...
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| Format: | Article |
| Language: | English |
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MDPI AG
2019-06-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/12/11/2146 |
| _version_ | 1828115476398473216 |
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| author | HwaPyeong Park Mina Kim HakSun Kim JeeHoon Jung |
| author_facet | HwaPyeong Park Mina Kim HakSun Kim JeeHoon Jung |
| author_sort | HwaPyeong Park |
| collection | DOAJ |
| description | A dual-output LLC resonant converter using pulse frequency modulation (PFM) and asymmetrical pulse width modulation (APWM) can achieve tight output voltage regulation, high power density, and high cost-effectiveness. However, an improper resonant tank design cannot achieve tight cross regulation of the dual-output channels at the worst-case load conditions. In addition, proper magnetizing inductance is required to achieve zero voltage switching (ZVS) of the power MOSFETs in the LLC resonant converter. In this paper, voltage gain of modulation methods and steady state operations are analyzed to implement the hybrid control method. In addition, the operation of the hybrid control algorithm is analyzed to achieve tight cross regulation performance. From this analysis, the design methodology of the resonant tank and the magnetizing inductance are proposed to compensate the output error of both outputs and to achieve ZVS over the entire load range. The cross regulation performance is verified with simulation and experimental results using a 190 W prototype converter. |
| first_indexed | 2024-04-11T12:40:54Z |
| format | Article |
| id | doaj.art-687e708a894a4ad782f1b244a89a18f5 |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-04-11T12:40:54Z |
| publishDate | 2019-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-687e708a894a4ad782f1b244a89a18f52022-12-22T04:23:29ZengMDPI AGEnergies1996-10732019-06-011211214610.3390/en12112146en12112146Design Methodology of Tightly Regulated Dual-Output LLC Resonant Converter Using PFM-APWM Hybrid Control MethodHwaPyeong Park0Mina Kim1HakSun Kim2JeeHoon Jung3Ulsan National Institute of Science and Technology (UNIST), Ulsan KS017, KoreaUlsan National Institute of Science and Technology (UNIST), Ulsan KS017, KoreaUlsan National Institute of Science and Technology (UNIST), Ulsan KS017, KoreaUlsan National Institute of Science and Technology (UNIST), Ulsan KS017, KoreaA dual-output LLC resonant converter using pulse frequency modulation (PFM) and asymmetrical pulse width modulation (APWM) can achieve tight output voltage regulation, high power density, and high cost-effectiveness. However, an improper resonant tank design cannot achieve tight cross regulation of the dual-output channels at the worst-case load conditions. In addition, proper magnetizing inductance is required to achieve zero voltage switching (ZVS) of the power MOSFETs in the LLC resonant converter. In this paper, voltage gain of modulation methods and steady state operations are analyzed to implement the hybrid control method. In addition, the operation of the hybrid control algorithm is analyzed to achieve tight cross regulation performance. From this analysis, the design methodology of the resonant tank and the magnetizing inductance are proposed to compensate the output error of both outputs and to achieve ZVS over the entire load range. The cross regulation performance is verified with simulation and experimental results using a 190 W prototype converter.https://www.mdpi.com/1996-1073/12/11/2146resonant converterdual output converterpulse frequency modulation (PFM)asymmetric pulse width modulation (APWM) |
| spellingShingle | HwaPyeong Park Mina Kim HakSun Kim JeeHoon Jung Design Methodology of Tightly Regulated Dual-Output LLC Resonant Converter Using PFM-APWM Hybrid Control Method Energies resonant converter dual output converter pulse frequency modulation (PFM) asymmetric pulse width modulation (APWM) |
| title | Design Methodology of Tightly Regulated Dual-Output LLC Resonant Converter Using PFM-APWM Hybrid Control Method |
| title_full | Design Methodology of Tightly Regulated Dual-Output LLC Resonant Converter Using PFM-APWM Hybrid Control Method |
| title_fullStr | Design Methodology of Tightly Regulated Dual-Output LLC Resonant Converter Using PFM-APWM Hybrid Control Method |
| title_full_unstemmed | Design Methodology of Tightly Regulated Dual-Output LLC Resonant Converter Using PFM-APWM Hybrid Control Method |
| title_short | Design Methodology of Tightly Regulated Dual-Output LLC Resonant Converter Using PFM-APWM Hybrid Control Method |
| title_sort | design methodology of tightly regulated dual output llc resonant converter using pfm apwm hybrid control method |
| topic | resonant converter dual output converter pulse frequency modulation (PFM) asymmetric pulse width modulation (APWM) |
| url | https://www.mdpi.com/1996-1073/12/11/2146 |
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