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Double-Input PWM DC/DC Converter for High-/Low-Voltage Sources

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3 Author(s)
Yaow-Ming Chen ; Dept. of Electr. Eng., Nat. Chung Cheng Univ., Chia Yi ; Yuan-Chuan Liu ; Sheng-Hsien Lin

A novel double-input pulsewidth-modulation (PWM) dc/dc converter for high-/low-voltage sources is proposed in this paper. With a PWM control scheme, the proposed double-input dc/dc converter can draw power from two different voltage sources simultaneously or individually. The operation modes and the steady-state analysis of the proposed double-input dc/dc converter are introduced in detail. The PWM control scheme for the power flow balancing is also presented. By using a single passive lossless soft-switching cell, switching losses of all power switches can be reduced significantly. Finally, experimental measurements are demonstrated to verify the performance of the proposed converter

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Industrial Electronics, IEEE Transactions on  (Volume:53 ,  Issue: 5 )