| 基于高频隔离的级联型H桥补偿器的仿真 |
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| 引用本文： | 黄尧,贾鹏宇,刘建强,郑琼林.基于高频隔离的级联型H桥补偿器的仿真[J].电工技术学报,2011(5):108-112. |
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| 作者姓名： | 黄尧 贾鹏宇 刘建强 郑琼林 |
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| 作者单位： | 北京交通大学电气工程学院; |
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| 摘 要： | 提出了一种新型的基于高频隔离的级联H桥式补偿装置.与传统应用于三相三线制系统星形联结的级联变换器不同的是,此拓扑引入一个带有高频变压器的三端口双向直流变换器,可以补偿系统中的负序电流,使得能量可以在各相间流动.此电路可用于三相三线或四线制系统,能降低系统直流侧二次脉动.通过适当的控制方法,可以补偿负序、无功以及谐波电流...
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| 关 键 词： | 负序电流补偿 双向DC-DC变换器 三相四线制系统 级联补偿 移相控制 |
Simulation of Compensator With Cascade H-Bridge Inverter Based on High Frequency Isolated Converters |
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| Huang Yao Jia Pengyu Liu Jianqiang Zheng Qionglin.Simulation of Compensator With Cascade H-Bridge Inverter Based on High Frequency Isolated Converters[J].Transactions of China Electrotechnical Society,2011(5):108-112. |
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| Authors: | Huang Yao Jia Pengyu Liu Jianqiang Zheng Qionglin |
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| Affiliation: | Huang Yao Jia Pengyu Liu Jianqiang Zheng Qionglin(Beijing Jiaotong University Beijing 100044 China) |
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| Abstract: | A new compensator with cascade H-bridge inverter is proposed in this paper.Comparing with traditional compensator based on wye-connected cascade inverters used in three-phase three-wire high voltage system,the new topology conquers the difficulty of compensating negative-sequence current and makes the energy exchange between phase and phase by bringing in a three-port bi-directional converter with a three windings high frequency transformer.And it can also be applied in three-phase four-wire system.DC-link ... |
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| Keywords: | Negative-sequence current compensation bi-directional DC-DC converter three-phase four-wire system cascade compensation phase-shifted control |
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