具同步整流與主動式功因修正半橋式諧振電源供應器之研製

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具同步整流與主動式功因修正半橋式諧振電源供應器之研製

Study and Implementation of Half Bridge Resonant Power Supply with Synchronous Rectifier and Active Power Factor Correction

徐振凱 , Masters　　Advisor：王仲淳　　

繁體中文

主動式功因修正；半橋式諧振；諧波失真；零電壓切換；同步整流。； Active Power Factor Correction ； Half-Bridge Resonant ； Harmonic Distortion ； Zero Voltage Switching ； Synchronous Rectifier.

Abstract │ Reference (40) │ Altmetrics

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This thesis presents results of study and implementation of half bridge resonant power supply with active power factor correction. First, active power factor correction approach was discussed to rectify the wave form distortion of bridge current and realize high power factor and low current harmonic. Afterward, it gave a stable high quality dc voltage input for half bridge resonant power supply. Second, half bridge resonant power supply could achieve Zero Voltage Switching (ZVS) in the switching process to reduce power losses. When the fixed frequency control was used for tracking the resonant frequency, this process also helped keep the system operated at the optimal condition. Then, synchronous rectifier (SR) the MOSFET used to substitute for the Schottky that is to rectify in the secondary side. This method been to reduce power loses on the components of the secondary side of circuit.
Finally, the realizations of power supply system was implemented, measured and analyzed under load variations. The power supply was operated under 90Vac~264Vac input voltage range and 24Vdc / 10A was measured as an output. The experimental results showed that an optimum efficiency of proposed system can reach up to 90.52% at the input voltage of 230Vac.

Reference ( 40 ) 〈TOP〉

[1] J.M. Alonso, A.J. Calleja, J. Ribas, E.L. Corominas, and M. Rico-Secades, “Analysis and Design of a Novel Single-Stage High-Power-Factor Electronic Ballast Based on Integrated Buck Half-Bridge Resonant Inverter,” IEEE Trans. Power Electronic., Vol. 19, No. 2, pp. 550-559, March 2004.
連結：
[4] C. Chakraborty, M. Ishida, and Y. Hori, “Novel Half-Bridge Resonant Converter Topology Realized by Adjusting Transformer Parameters,” IEEE Trans. Ind. Electronic., Vol. 49, No. 1, pp. 197-205, February 2002.
連結：
[5] M. H. L. Chow, K. W. Siu, C. K. Tse, and Y. S. Lee,“A Novel Method for Elimination of Line-Current Harmonics in Single-Stage PFC Switching Regulators,” IEEE Trans. on Power Electronic., Vol. 13, No. 1, pp. 75-83, January 1998.
連結：
[7] T. Durebaum, “First Harmonic Approximation Including Design Constraints,” INTELEC 20th International Telecommunications Energy Conference, pp. 321-328, October 1998.
連結：
[8] M. Ferdowsi, and A. Emadi, “Estimative Current Mode Control Technique for DC-DC Converters Operating in Discontinuous Conduction Mode,” IEEE Power Electronics Letters, Vol. 2, No. 1, pp. 20-23, March 2004.
連結：

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