| A NOVEL TOPOLOGY FOR RIPPLE-FREE INPUTTING CURRENT TECHNIQUES |
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| 作者姓名： | 吕征宇 陈国柱 钱照明 钱挺 |
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| 作者单位： | Electrical Institute of Zhejiang University，Hangzhou 310027，China |
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| 基金项目： | ProjectsupportedbytheScientificResearchFoundationforReturnedOverseasChineseScholars，StateEducationMinistry |
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| 摘 要： | ＩＮＴＲＯＤＵＣＴＩＯＮＴｏｍｅｅｔｔｈｅｒｅｑｕｉｒｅｍｅｎｔｓｏｆＥＭＩｓｔａｎｄａｒｄ ,ｓｗｉｔｃｈｉｎｇｍｏｄｅｃｏｎｖｅｒｔｅｒｓｓｈｏｕｌｄｌｉｍｉｔｉｔｓｓｗｉｔｃｈｉｎｇｒｉｐｐｌｅｏｆｉｎｐｕｔｃｕｒｒｅｎｔｔｏａｌｏｗｌｅｖｅｌ.ＯｎｅｏｆｔｈｅｔｙｐｉｃａｌｔｒａｄｉｔｉｏｎａｌｍｅｔｈｏｄｓｉｓｔｏｐｌａｃｅａｃｏｓｔｌｙａｎｄｂｕｌｋｙＥＭＩｆｉｌｔｅｒａｔｔｈｅｉｎｐｕｔｃｉｒｃｕｉｔｏｆｔｈｅｃｏｎｖｅｒｔｅｒ.ＦｏｒＡＣ ＤＣｃｏｎｖｅｒｔｅｒｓｔｈｅｉｎｐｕｔｆｉ…
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A NOVEL TOPOLOGY FOR RIPPLE-FREE INPUTTING CURRENT TECHNIQUES |
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| LU Zheng-yu\ L,CHEN Guo-zhu,QIAN Zhao-ming,QIAN Ting.A NOVEL TOPOLOGY FOR RIPPLE-FREE INPUTTING CURRENT TECHNIQUES[J].Journal of Zhejiang University Science,2001(2). |
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| Authors: | LU Zheng-yu\ L CHEN Guo-zhu QIAN Zhao-ming QIAN Ting |
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| Institution: | LU Zheng-yu\ *L,CHEN Guo-zhu,QIAN Zhao-ming,QIAN Ting |
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| Abstract: | A novel topology for ripple-free input current circuit is put forward in the paper. Compared to traditional EMI(electromagnetic interference) filter consisting of choke and capacitor, the ripple-free topology can reduce the converter's ripple current with the use of smaller component. The new ripple-free topology proposed in this paper does not need elaborate adjustment of the coupling coefficient as required by conventional ripple-free techniques, and is ripple voltage cancellation or isolation mode, which can attenuate the ripple further if the line impedance is considered. The theoretical prediction is confirmed by experimental results. |
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| Keywords: | EMI input current ripple free converter(TN86) |
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