Zero-Current-Transition Pulse-Width-Modulated Boost Converter for Battery Chargers

• Main Authors: You-Peng Lin, 林佑朋
• Other Authors: Yu-Lung Ke
• Format: Others
• Language: zh-TW
• Published: 2007
• Online Access: http://ndltd.ncl.edu.tw/handle/6cj5nf

碩士 === 崑山科技大學 === 電機工程研究所 === 95 === This thesis applies a zero-current-transition pulse-width-modulated boost converter in a battery charger. The battery charger with zero-current-transition pulse-width-modulated technology can significantly reduce the switching losses, constant-frequency control and maintain the voltage/current stress on the circuit components when the power transistor is switched under zero-current condition. The equivalent circuits of various modes are constructed based on analyzing the operating principles of the circuit according to the turn-on conditions of the switches.Experimental results have demonstrated the theoretical effectiveness of the presented battery charger circuit. The practical mean charging efficiency of the proposed battery charger is 92.87%.