一种新型DC/DC变换器斜率补偿电路方案

2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control Pub Date : 2014-09-18 DOI:10.1109/IMCCC.2014.90

Song Jianbai, Gao Yuan, Yao Jianhong, L. Jicheng

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引用次数: 0

摘要

讨论了改进的发射极跟随器补偿电路，并分析了斜率补偿电路的原理。重点研究了峰值电流型控制功率变换器在占空比大于1 / 2时变压器一次侧存在的电流峰值。理论分析表明，该电路可以消除电流峰值现象，增大占空比范围，提高变压器效率。研制12V/1700A稀土电解功率样机。实验表明，该补偿电路可以消除变压器一次侧电流峰值现象，使电力运行稳定可靠。

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A Project of a New DC/DC Converter Slope Compensation Circuit

The modified emitter follower compensation circuit is discussed and the principle of a slop compensation circuit is also analyzed. Focusing on transformer primary side existing current peak when duty ratio of peak current-mode control power converter is higher than one half. Theoretical analysis shows that this circuit can eliminate the phenomenon of current peak, increased the range of the duty ratio and increase the efficiency of transformer. Develope a 12V/1700A rare earth electrolysis power model machine. Experiment shows that this compensation circuit can eliminate the transformer primary side current-peak phenomenon and makes the operation of the power stable and reliable.

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来源期刊

2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control

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