| 新型空间矢量调制软开关PWM变换器的分析 |
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| 引用本文： | 汪军.新型空间矢量调制软开关PWM变换器的分析[J].雷达科学与技术,1999(2). |
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| 作者姓名： | 汪军 |
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| 作者单位： | 华东电子工程研究所 合肥 |
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| 摘 要： | 在空间矢量调制三相全桥移相ZVS-PWM变换器的基础上,提出一种软开关范围较宽的新型空间矢量调制变换器。该变换器既具有单位功率因数和低的输入电流谐波失真,而且电路的所有功率开关均可实现软开关(ZVS、ZCS)。文中分析了这种电路的工作过程和工作波形,给出了工程设计的一些规则,并给出了仿真结果。
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| 关 键 词： | 空间矢量 零电压 零电流 变换器 软开关 移相 |
Analysis of a Novel Space Vector Modulated Soft-Switching PWM Converter |
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| Wang Jun.Analysis of a Novel Space Vector Modulated Soft-Switching PWM Converter[J].Radar Science and Technology,1999(2). |
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| Authors: | Wang Jun |
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| Affiliation: | East China Research Institute of Electronic Engineering.Hefei 230031 |
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| Abstract: | In this paper, a novel space vector modulated soft-switching PWM converter is proposed. The converter is capable of achieving unity power factor,and low harmonic distortion of input currents,and in wide range realizing zero-voltage switching and zero-current switching for all power semiconductor devices, based on 3-phase space vector modulated PS-ZVS-PWM converter. Operation and waveforms of the proposed circuit are analyzed. Its design principle and simulation are also provided finally. |
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| Keywords: | Space vector Zero-voltage Zero-current Converter Soft-switching Phase-shift |
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