An LLC Resonant DC–DC Converter for Wide Output Voltage Range Battery Charging Applications

In this paper, resonant tank design procedure and practical design considerations are presented for a high performance LLC multiresonant dc-dc converter in a two-stage smart battery charger for neighborhood electric vehicle applications. The multiresonant converter has been analyzed and its performance characteristics are presented. It eliminates both low- and high-frequency current ripple on the battery, thus maximizing battery life without penalizing the volume of the charger. Simulation and experimental results are presented for a prototype unit converting 390 V from the input dc link to an output voltage range of 48-72 V dc at 650 W. The prototype achieves a peak efficiency of 96%.

[1]  F. Lee,et al.  LLC resonant converter for front end DC/DC conversion , 2002, APEC. Seventeenth Annual IEEE Applied Power Electronics Conference and Exposition (Cat. No.02CH37335).

[2]  A. K. S. Bhat,et al.  Analysis and design of LCL-type series resonant converter , 1990, 12th International Conference on Telecommunications Energy.

[3]  Anawach Sangswang,et al.  An Improved $LLC$ Resonant Inverter for Induction-Heating Applications With Asymmetrical Control , 2011, IEEE Transactions on Industrial Electronics.

[4]  Robert L. Steigerwald.  A comparison of half-bridge resonant converter topologies , 1987 .

[5]  I. Batarseh,et al.  Operation Mode Analysis and Peak Gain Approximation of the LLC Resonant Converter , 2012, IEEE Transactions on Power Electronics.

[6]  R Beiranvand,et al.  Optimizing the Normalized Dead-Time and Maximum Switching Frequency of a Wide-Adjustable-Range LLC Resonant Converter , 2011, IEEE Transactions on Power Electronics.

[7]  Mangesh Borage,et al.  Design of LCL-T Resonant Converter Including the Effect of Transformer Winding Capacitance , 2009, IEEE Transactions on Industrial Electronics.

[8]  N. Froehleke,et al.  Paralleling of LLC resonant converters using frequency controlled current balancing , 2008, 2008 IEEE Power Electronics Specialists Conference.

[9]  Yu-Lung Ke,et al.  Analysis and implementation of half-bridge series-parallel resonant converter for battery chargers , 2010, 2010 IEEE Industrial and Commercial Power Systems Technical Conference - Conference Record.

[10]  Jianping Ying,et al.  A Novel Precise Design Method for LLC Series Resonant Converter , 2006, INTELEC 06 - Twenty-Eighth International Telecommunications Energy Conference.

[11]  A. Khaligh,et al.  Power electronics intensive solutions for advanced electric, hybrid electric, and fuel cell vehicular power systems , 2006, IEEE Transactions on Power Electronics.

[12]  F.C. Lee,et al.  High frequency investigation of single-switch CCM power factor correction converter , 2004, Nineteenth Annual IEEE Applied Power Electronics Conference and Exposition, 2004. APEC '04..

[13]  Charles R. Sullivan,et al.  Optimization of a flyback transformer winding considering two-dimensional field effects, cost and loss , 2001, APEC 2001. Sixteenth Annual IEEE Applied Power Electronics Conference and Exposition (Cat. No.01CH37181).

[14]  J.W. Kolar,et al.  Design of a 5-kW, 1-U, 10-kW/dm$^{\hbox{3}}$ Resonant DC–DC Converter for Telecom Applications , 2009, IEEE Transactions on Power Electronics.

[15]  A.M. Rahimi.  A lithium-ion battery charger for charging up to eight cells , 2005, 2005 IEEE Vehicle Power and Propulsion Conference.

[16]  Z. Qian,et al.  Three level LLC series resonant DC/DC converter , 2004 .

[17]  Jee-hoon Jung,et al.  Theoretical analysis and optimal design of LLC resonant converter , 2007, 2007 European Conference on Power Electronics and Applications.

[18]  Michael A. E. Andersen,et al.  Two-stage power factor corrected power supplies: the low component-stress approach , 2002, APEC. Seventeenth Annual IEEE Applied Power Electronics Conference and Exposition (Cat. No.02CH37335).

[19]  F.C. Lee,et al.  Modeling and characterization of a 1 KW CCM PFC converter for conducted EMI prediction , 2004, Nineteenth Annual IEEE Applied Power Electronics Conference and Exposition, 2004. APEC '04..

[20]  G. Ivensky,et al.  Approximate Analysis of Resonant LLC DC-DC Converter , 2011, IEEE Transactions on Power Electronics.

[21]  Kamal Al-Haddad,et al.  A review of single-phase improved power quality AC-DC converters , 2003, IEEE Trans. Ind. Electron..

[22]  Bizhan Rashidian,et al.  A Design Procedure for Optimizing the LLC Resonant Converter as a Wide Output Range Voltage Source , 2012, IEEE Transactions on Power Electronics.

[23]  J.W. Kolar,et al.  Design of a 5kW, 1U, 10kW/ltr. resonant DC-DC converter for telecom applications , 2007, INTELEC 07 - 29th International Telecommunications Energy Conference.

[24]  Jun-Young Lee,et al.  An Isolated DC/DC Converter Using High-Frequency Unregulated $LLC$ Resonant Converter for Fuel Cell Applications , 2011, IEEE Transactions on Industrial Electronics.

[25]  Won-suk Choi,et al.  Analysis of MOSFET failure modes in LLC resonant converter , 2009, INTELEC 2009 - 31st International Telecommunications Energy Conference.

[26]  Ali Emadi,et al.  Modeling and Simulation of Electric and Hybrid Vehicles , 2007, Proceedings of the IEEE.

[27]  Moon-Young Kim,et al.  Analysis of LLC Resonant Converter considering effects of parasitic components , 2009, INTELEC 2009 - 31st International Telecommunications Energy Conference.

[28]  Bizhan Rashidian,et al.  Using LLC Resonant Converter for Designing Wide-Range Voltage Source , 2011, IEEE Transactions on Industrial Electronics.