| 并网逆变器谐波电流抑制研究中的准无穷大输出阻抗概念与应用 |
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| 引用本文： | 张笠君,汪飞,许德志,阮毅.并网逆变器谐波电流抑制研究中的准无穷大输出阻抗概念与应用[J].电源学报,2016,14(5):105-111. |
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| 作者姓名： | 张笠君 汪飞 许德志 阮毅 |
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| 作者单位： | 上海大学机电工程与自动化学院, 上海 200072;上海大学机电工程与自动化学院, 上海 200072;上海大学机电工程与自动化学院, 上海 200072;上海大学机电工程与自动化学院, 上海 200072 |
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| 基金项目： | 国家自然科学青年基金资助项目（51107078）；上海市教育委员会科研创新资助项目（15zz043） |
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| 摘 要： | 为抑制并网逆变器入网电流的谐波成分,提出并网逆变器输出阻抗准无穷大的思路。基于该思路,从并网系统诺顿等效电路的输出阻抗角度入手,详尽分析电网电压比例前馈控制、电网电压优化前馈控制和多谐振控制对输出阻抗影响的基础上,提出一种基于优化前馈与多谐振控制组合的控制策略。实验结果证明了所提组合谐波抑制策略的有效性。
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| 关 键 词： | 并网逆变器 LCL型滤波器 低频谐波电流 准无穷大输出阻抗 |
| 收稿时间： | 2015/11/26 0:00:00 |
| 修稿时间： | 2016/9/12 0:00:00 |
Quasi-infinite Output Impedance Concept and Implementation for Harmonic Current Suppression of Grid-connected Inverters |
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| ZHANG Lijun,WANG Fei,XU Dezhi and RUAN Yi.Quasi-infinite Output Impedance Concept and Implementation for Harmonic Current Suppression of Grid-connected Inverters[J].Journal of power supply,2016,14(5):105-111. |
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| Authors: | ZHANG Lijun WANG Fei XU Dezhi and RUAN Yi |
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| Affiliation: | School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200072, China;School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200072, China;School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200072, China;School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200072, China |
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| Abstract: | To reject low-frequency harmonic currents of grid-connected inverter, the idea that quasi-infinite output impedance of the grid-connected inverter is proposed. From Norton equivalent circuit model, a combined scheme for harmonic suppression is proposed based on detailed performance analysis of partial grid voltage feed-forward, full grid voltage feed-forward and multi-resonant control schemes in this paper. Finally, experimental results are presented to demonstrate the effectiveness of the proposed multi-resonant control schemes. |
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| Keywords: | grid-connected inverter LCL filter low-frequency harmonic circuit quasi-infinite output impedance |
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