| 三相PWM变流器谐波阻抗的研究 |
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| 引用本文： | 师洪涛,卓放,侯李祥,岳小龙,张东,耿志清.三相PWM变流器谐波阻抗的研究[J].变流技术与电力牵引,2013(6):52-55. |
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| 作者姓名： | 师洪涛 卓放 侯李祥 岳小龙 张东 耿志清 |
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| 作者单位： | 西安交通大学电气工程学院; |
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| 基金项目： | 国家自然科学基金(51177130);台达2011电力电子科教发展计划重点项目(DREK2011002) |
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| 摘 要： | 变流器的谐波阻抗是系统稳定性分析、滤波器优化设计中的重要参数。以典型的三相PWM逆变器为例，研究了三相PWM逆变器在abc坐标系下与dq坐标系下的输出阻抗模型，并采用谐波电流注入法，对逆变器的输出阻抗进行测量，从而得到三相PWM变流器的谐波阻抗参数。采用仿真实验对理论分析进行了验证。
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| 关 键 词： | 三相PWM变流器 谐波阻抗 阻抗测量 |
Research on the Harmonic Impedance of Three-phase PWM Converter |
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| SHI Hong-tao,ZHUO Fang,HOU Li-xiang,YUE Xiao-long,ZHANG Dong,GENG Zhi-qing.Research on the Harmonic Impedance of Three-phase PWM Converter[J].Converter Technology & Electric Traction,2013(6):52-55. |
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| Authors: | SHI Hong-tao ZHUO Fang HOU Li-xiang YUE Xiao-long ZHANG Dong GENG Zhi-qing |
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| Institution: | (School of Electrical Engineering, Xi＇an Jiaotong University, Xi＇an, Shaanxi 710049, China) |
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| Abstract: | Harmonic impedance is a key parameter used to analyze the stability of system, optimized design of filter, and so developed an output impedance model in abc coordinates and dq coordinates as an example of a typical three-phase PWM inverter. Output impedance of the inverter was extracted and measured by injecting a current perturbation and the parameter of harmonic impedance was got. Simulation results validate the theoretical analysis. |
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| Keywords: | three-phase PWM converter harmonic impedance current injection |
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