The design of full-bridge phase-shifting ZVS switch power supply based on adaptive delay control technology

Full-bridge phase-shifting zero voltage switching (ZVS) pulse width modulation (PWM) circuit adopts phase control and by resonance, the circuit can realize zero voltage conduct of switch device, eliminate conduct loss. However, the lagging legs of full-bridge circuit is difficult to realize ZVS in a little current. The main circuit topological structure of full-bridge phase-shifting ZVS high frequency power supply based on adaptive delay control technology is applied in this paper. By adaptive delay control technology, it can detect voltage of power grid and bridge arm midpoint in real time, and expand the ZVS operating range by adjusting the triggered time of switch devices. The main transformer and resonance inductance parameters are designed in this paper. The experimental results proved that adaptive delay control technology can expand the ZVS operating range, and improve the efficiency of the power supply.

[1]  Xinbo Ruan,et al.  A Novel ZVS PWM Phase-shifted Full-bridge Converter with Controlled Auxiliary Circuit , 2009, 2009 Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition.

[2]  Tang Tianhao.  Principle and Application of New Adaptive Delay FB PS-ZVS PWM Control Chips LTC3722-X , 2005 .

[3]  Gun-Woo Moon,et al.  ZVS phase shift full bridge converter with separated primary winding , 2009, 2009 IEEE Energy Conversion Congress and Exposition.

[4]  Chien-Ming Wang,et al.  A new ZVS-PWM full-bridge step-up/down converter , 2004, 30th Annual Conference of IEEE Industrial Electronics Society, 2004. IECON 2004.

[5]  F.C. Lee,et al.  Computer-aided design for high-frequency power transformers , 1990, Fifth Annual Proceedings on Applied Power Electronics Conference and Exposition.

[6]  Jee-Hoon Jung,et al.  Design Methodology for Transformers Including Integrated and Center-tapped Structures for LLC Resonant Converters , 2009 .

[7]  M. Mahmoud,et al.  H∞-Controllers for Time-Delay Systems Using Linear Matrix Inequalities , 1999 .

[8]  Aleksandar Prodic,et al.  Design and implementation of a digital PWM controller for a high-frequency switching DC-DC power converter , 2001, IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243).

[9]  H.N. Nounou.  Delay-Dependent Adaptive Control of Uncertain Time-Delay Systems , 2006, Proceedings of the 45th IEEE Conference on Decision and Control.

[10]  E. Adib,et al.  Zero-Voltage Transition Current-Fed Full-Bridge PWM Converter , 2009, IEEE Transactions on Power Electronics.

[11]  M. Nakahara,et al.  A fast algorithm of steady-state and transient simulations for controlled switching power supplies , 1995, Proceedings of INTELEC 95. 17th International Telecommunications Energy Conference.

[12]  N. Nagagata,et al.  Zero voltage switching approach for flyback converter , 1992, [Proceedings] Fourteenth International Telecommunications Energy Conference - INTELEC '92.

[13]  F.C. Lee,et al.  Design considerations for high-voltage high-power full-bridge zero-voltage-switched PWM converter , 1990, Fifth Annual Proceedings on Applied Power Electronics Conference and Exposition.

[14]  Sang-Kyoo Han,et al.  Zero-Voltage Switching and Soft-Commutating Two-Transformer Full-Bridge PWM Converter Using the Voltage-Ripple , 2008, IEEE Transactions on Industrial Electronics.

[15]  B.H. Cho,et al.  A novel DC-DC full-bridge converter using energy-recovery circuit with regenerative transformer , 2005, Twentieth Annual IEEE Applied Power Electronics Conference and Exposition, 2005. APEC 2005..