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An Interleaved Secondary-Side Modulated LLC Resonant Converter or Wide Output Range Applications | |
2020-02 | |
发表期刊 | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS |
ISSN | 0278-0046 |
EISSN | 1557-9948 |
卷号 | 67期号:2页码:1124-1135 |
发表状态 | 已发表 |
DOI | 10.1109/TIE.2019.2897507 |
摘要 | In this paper, an LLC type converter with two interleaved pulsewidth modulation (PWM) rectifiers is proposed. Compared with the conventional LLC converter, it achieves a wide voltage regulation range independent of load. In the proposed structure, each secondary-side PWM rectifier can operate individually. With the interleaving technique and shared primary-side switching network, the circuit secondary-side current stress is halved and the primary-side current stress is largely reduced. Besides, the filter capacitor requirement is reduced. Therefore, the proposed structure is a good option for medium/high power wide output range applications. The symmetrical LLC resonant tanks always operate at the resonant frequency, which marks the optimal operation point of the LLC resonant tank. Therefore, the conduction loss is effectively mitigated. In the proposed converter, zero-voltage turning-ON (ZVS) of the primary-side MOSFETs can be ensured and is independent of the load. Moreover. the turning-OFF currents of the primary-side MOSFETs are small and are also load independent. This brings the benefits of minimized circulating current and negligible turning-OFF loss and no MOSFET turning-OFF voltage spike. The secondary-side auxiliary MOSFETs turn-ON with ZVS and rectifying diodes turn-OFF with limited di/dt. Topological analysis and experimental results of a 1.3 kW/100 kHz prototype generating 230-440 V output from 390-V input are presented. The prototype demonstrates 97.31% peak efficiency and good performance over a wide output range. |
关键词 | Interleaved LLC pulsewidth modulated (PWM) zero-voltage turning (ZVS) |
URL | 查看原文 |
收录类别 | SCI ; SCIE ; EI |
资助项目 | Shanghai Sailing Program[16YF1407600] |
WOS研究方向 | Automation & Control Systems ; Engineering ; Instruments & Instrumentation |
WOS类目 | Automation & Control Systems ; Engineering, Electrical & Electronic ; Instruments & Instrumentation |
WOS记录号 | WOS:000490879800001 |
出版者 | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC |
EI主题词 | MOSFET devices ; Natural frequencies ; Pulse width modulation ; Rectifying circuits ; Topology ; Voltage regulators ; Zero voltage switching |
WOS关键词 | HIGH-EFFICIENCY ; BURST-MODE ; DESIGN |
原始文献类型 | Article |
来源库 | IEEE |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/34293 |
专题 | 信息科学与技术学院 信息科学与技术学院_PI研究组_王浩宇组 信息科学与技术学院_博士生 |
作者单位 | 1.Analog Devices Inc., Shanghai, China 2.Power Electronics and Renewable Energies Laboratory, School of Information Science & Technology, ShanghaiTech University, Shanghai, China |
推荐引用方式 GB/T 7714 | Zhiqing Li,Bo Xue,Haoyu Wang. An Interleaved Secondary-Side Modulated LLC Resonant Converter or Wide Output Range Applications[J]. IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS,2020,67(2):1124-1135. |
APA | Zhiqing Li,Bo Xue,&Haoyu Wang.(2020).An Interleaved Secondary-Side Modulated LLC Resonant Converter or Wide Output Range Applications.IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS,67(2),1124-1135. |
MLA | Zhiqing Li,et al."An Interleaved Secondary-Side Modulated LLC Resonant Converter or Wide Output Range Applications".IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS 67.2(2020):1124-1135. |
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