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INSULATION BOOST TYPE PUSH-PULL SOFT-SWITCHING DC/DC CONVERTER

机译：绝缘升压型推挽式软开关DC / DC转换器

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摘要

An insulation boost type push-pull soft-switching DC/DC converter is realized by a circuit including a voltage source (Vin), an energy storage inductance (Lin), main switches (S1, S2), externally installed capacitors (C1, C2) connected in parallel to the main switches, auxiliary switches (S1a, S2a), externally installed capacitors (C1a, C2a) connected in parallel to the auxiliary switches, a resonance capacitor (CG), a boost transformer (Tr) having a primary winding equipped with a center tap and a secondary winding equipped with a center tap, rectifying diodes (DR1, DR2), an output filter inductance (Lf), an output filter capacitor(Cf), and a load resistance (RLd). Control is performed to make and cut off electrical connection when the main switches and the auxiliary switches is in the zero voltage state so as to reduce the switching loss and the EMI noise and obtain a high conversion efficiency.

机译：绝缘升压型推挽式软开关DC / DC转换器是通过包括电压源（Vin），储能电感（Lin），主开关（S1，S2），外部安装的电容器（C1，C2）的电路实现的）与主开关，辅助开关（S1a，S2a）并联连接，与辅助开关并联的外部安装电容器（C1a，C2a），谐振电容器（CG），具有初级绕组的升压变压器（Tr）配备有中心抽头和配备了中心抽头的次级绕组，整流二极管（DR1，DR2），输出滤波电感（Lf），输出滤波电容器（Cf）和负载电阻（RLd）。当主开关和辅助开关处于零电压状态时，进行控制以建立和切断电连接，以减少开关损耗和EMI噪声并获得高转换效率。

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公开/公告号WO2008020629A1

专利类型
公开/公告日2008-02-21

原文格式PDF
申请/专利权人 SHANGHAI JIAO TONG UNIVERSITY;KABUSHIKI KAISHA YASKAWA DENKI;XIANG AN;SADOHARA TADASHI;ZENKE MICHIHIKO;MIYANO TOSHIO;
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申请/专利号WO2007JP66036
发明设计人 XIANG AN;SADOHARA TADASHI;MIYANO TOSHIO;ZENKE MICHIHIKO;
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申请日2007-08-17
分类号H02M3/155;
国家 WO
入库时间 2022-08-21 20:01:04

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