| 一种基于UC2875的动车蓄电池软开关充电电源 |
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| 引用本文： | 李辉,滕锦芬,徐丽,喻冲.一种基于UC2875的动车蓄电池软开关充电电源[J].变流技术与电力牵引,2011(1). |
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| 作者姓名： | 李辉 滕锦芬 徐丽 喻冲 |
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| 作者单位： | 华东交通大学电气与电子工程学院;成都电子机械高等专科学校通信系; |
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| 摘 要： | 分析了CRH1和CRH5型高速动车组蓄电池充电机中DC-DC变换部分的电路原理,提出一种ZVZCS直流变换电路,以进一步减小充电机开关管的开关损耗。仿真和实验表明,该电路工作稳定并具有较高的效率,可以作为一个理想的充电电源使用。
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| 关 键 词： | 动车组 充电机 软开关 |
A Soft-switch Charging Supply based on UC2875 for EMU's Storage Battery |
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| LI Hui,TENG Jing-fen,XU Li,YU Chong.A Soft-switch Charging Supply based on UC2875 for EMU's Storage Battery[J].Converter Technology & Electric Traction,2011(1). |
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| Authors: | LI Hui TENG Jing-fen XU Li YU Chong |
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| Institution: | LI Hui1,TENG Jing-fen1,XU Li2,YU Chong1(1.School of Electrical and Electronic Engineering,East China Jiaotong University,Nanchang,Jiangxi 330013,China,2.Department of Communications,Chengdu Electromechanical College,Chengdu,Sichuan 610031,China) |
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| Abstract: | It analyzes the circuit theory of DC-DC converter of battery-charger for CRH1 and CRH5 type EMU(Electric Multiple Unit),and then proposes a new DC-DC converter circuit with ZVZCS to reduce switch-loss.Simulation and test results show that it has stable performances,high efficiency and is an ideal battery charging power supply. |
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| Keywords: | multiple units battery-charger soft-switch |
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