Single-phase single-stage bidirectional isolated ZVS AC-DC converter with PFC

This paper presents a single-phase bidirectional isolated AC-DC converter with Power Factor Correction (PFC) consisting of a half-bridge on the AC side and a full-bridge on the DC side to accomplish single-stage power conversion. The converter applies a new control scheme combining phase-shift and frequency modulation to achieve Zero-Voltage-Switching (ZVS) over the full range of the AC line voltage. Compared to the conventional boost PFC approach, the proposed converter eliminates high frequency harmonic distortions on the mains due to the inherently integrated LC input filter stage. The operating principle in AC-to-DC and DC-to-AC under ZVS conditions by means of analytical considerations are provided. Simulation results and a detailed loss model of a 3.3 kW electric vehicle battery charger to connect to the 230 Vrms / 50 Hz mains considering a battery voltage range of 280 V to 430 V validate the theoretical analysis. The converter can also be used as a submodule in a Cascaded H-Bridge Converter (CHB) for medium or high voltage applications.

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

[2]  M. Vasiladiotis,et al.  Modular converter architecture for medium voltage ultra fast EV charging stations: Global system considerations , 2012, 2012 IEEE International Electric Vehicle Conference.

[3]  J.W. Kolar,et al.  Power density and efficiency optimization of resonant and phase-shift telecom DC-DC converters , 2008, 2008 Twenty-Third Annual IEEE Applied Power Electronics Conference and Exposition.

[4]  Jae-Yeon Choi,et al.  A Novel Single-Stage AC-DC Converter to Supply Sustain Power for Plasma Display Panels , 2011, Journal of Display Technology.

[5]  W. Choi,et al.  A Bridgeless Single-Stage Half-Bridge AC/DC Converter , 2011, IEEE Transactions on Power Electronics.

[6]  S. Norrga,et al.  Experimental Study of a Soft-Switched Isolated Bidirectional AC–DC Converter Without Auxiliary Circuit , 2006, IEEE Transactions on Power Electronics.

[7]  J. Kolar,et al.  Analysis of Theoretical Limits of Forced-Air Cooling Using Advanced Composite Materials With High Thermal Conductivities , 2011, IEEE Transactions on Components, Packaging and Manufacturing Technology.

[8]  G.C.R. Sincero,et al.  High Pressure Sodium Lamp High Power Factor Electronic Ballasts Using AC–AC Converters , 2007, IEEE Transactions on Power Electronics.

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

[10]  R.W. De Doncker,et al.  Single phase unity power factor control for dual active bridge converter , 1993, Conference Record of the 1993 IEEE Industry Applications Conference Twenty-Eighth IAS Annual Meeting.

[11]  Jian Liu,et al.  The uni-polarity phase-shifted controlled voltage mode AC–AC converters with high frequency AC link , 2006, IEEE Transactions on Power Electronics.

[12]  A J Sabzali,et al.  New Bridgeless DCM Sepic and Cuk PFC Rectifiers With Low Conduction and Switching Losses , 2011, IEEE Transactions on Industry Applications.

[13]  H. Akagi,et al.  A Transformerless Energy Storage System Based on a Cascade Multilevel PWM Converter With Star Configuration , 2008, IEEE Transactions on Industry Applications.

[14]  J.A. Melkebeek,et al.  Input current distortion of CCM boost PFC converters operated in DCM , 2003, IEEE 34th Annual Conference on Power Electronics Specialist, 2003. PESC '03..

[15]  Fernando L. Tofoli,et al.  A review of single-phase PFC topologies based on the boost converter , 2010, 2010 9th IEEE/IAS International Conference on Industry Applications - INDUSCON 2010.

[16]  Johan Driesen,et al.  Switching control strategy to extend the ZVS operating range of a Dual Active Bridge AC/DC converter , 2011, 2011 IEEE Energy Conversion Congress and Exposition.

[17]  Daolian Chen Novel Current-Mode AC/AC Converters With High-Frequency AC Link , 2008, IEEE Transactions on Industrial Electronics.

[18]  P. L. Dowell,et al.  Effects of eddy currents in transformer windings , 1966 .

[19]  Charles R. Sullivan,et al.  Accurate prediction of ferrite core loss with nonsinusoidal waveforms using only Steinmetz parameters , 2002, 2002 IEEE Workshop on Computers in Power Electronics, 2002. Proceedings..