| 自主均流型Buck变换器并联系统的建模与设计 |
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| 引用本文： | 丘东元,张波,韦聪颖.自主均流型Buck变换器并联系统的建模与设计[J].华南理工大学学报(自然科学版),2006,34(4):56-60,69. |
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| 作者姓名： | 丘东元 张波 韦聪颖 |
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| 作者单位： | 华南理工大学,电力学院,广东,广州,510640 |
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| 摘 要： | 基于小信号模型理论，建立了Buck变换器并联电路的小信号模型，然后根据自主均流技术原理，分析了均流控制系统的设计过程，包括电压环、均流环的设计，从而形成了完整的自主均流技术设计步骤．根据所建立的模型，制作了一台由两个Buck变换器并联组成的样机，通过比较未采用均流控制和采用自主均流控制的两组实验结果，验证了文中所提控制系统设计方法的正确性．
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| 关 键 词： | 自主均流控制 小信号模型 Buck变换器 建模 设计 |
| 文章编号： | 1000-565X（2006）04-0056-05 |
| 收稿时间： | 2005-06-17 |
| 修稿时间： | 2005-06-17 |
Modeling and Design of Paralleled Buck Converter System with Automatic Current Sharing Technique |
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| Qiu Dong-yuan,Zhang Bo,Wei Cong-ying.Modeling and Design of Paralleled Buck Converter System with Automatic Current Sharing Technique[J].Journal of South China University of Technology(Natural Science Edition),2006,34(4):56-60,69. |
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| Authors: | Qiu Dong-yuan Zhang Bo Wei Cong-ying |
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| Institution: | College of Electric Power, South China Univ. of Tech. , Guangzhou 510640, Guangdong, China |
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| Abstract: | A small-signal model of the paralleled Buck converter is established based on the theory of small-signal modeling. Then, the design process of an automatic current sharing control system, including the designs of the voltage loop and the current sharing loop, are analyzed and proposed. The established model is finally adopted to set up a prototype with two paralleled Buck moduli. By comparing the experimental results with or without the automatic current sharing control, the correctness of the proposed design method is finally verified. |
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| Keywords: | automatic current sharing control small-signal model Buck converter modeling design |
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