| 一种新型多电平逆变器在光伏并网系统的应用 |
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| 引用本文： | 冯彬,张广明.一种新型多电平逆变器在光伏并网系统的应用[J].电力电子技术,2011,45(4):10-12. |
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| 作者姓名： | 冯彬 张广明 |
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| 作者单位： | 南京工业大学自动化与电气工程学院; |
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| 基金项目： | 江苏省科技厅工业科技支撑项目(BE2009166)~~ |
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| 摘 要： | 传统光伏并网逆变器多采用二电平逆变器,多电平逆变器受其复杂电路拓扑的制约在光伏系统中应用较少.在传统五电平逆变器拓扑基础上,提出一种简化的H桥五电平单相光伏逆变器.该逆变器采用特定谐波消除法调制控制方案,系统并网电流采用模糊PI自整定控制方法,输出电压和电流具有较低的谐波和du/dt,改善了系统稳定性,提高了系统动态响...
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| 关 键 词： | 多电平逆变器 电流控制 模糊控制 |
A Novel Multilevel Inverter and Its Application in Grid-connected Photovoltaic System |
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| FENG Bin,MANG Guang-ming.A Novel Multilevel Inverter and Its Application in Grid-connected Photovoltaic System[J].Power Electronics,2011,45(4):10-12. |
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| Authors: | FENG Bin MANG Guang-ming |
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| Affiliation: | FENG Bin,ZHANG Guang-ming(Nanjing University of Technology,Nanjing 211816,China) |
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| Abstract: | Traditional grid-connected photovoltaic(PV) inverters are based on two or three-level inverter.Multilevel invert-er topology constrained by its complex circuit system is seldom used in PV system.A modified H-bridge five-level single-phase grid-connected inverter on the base of the traditional five-level inverters topology is proposed.The new inverter uses selective harmonic elimination method,and grid-connected current control using the self-adaptive fuzzy PI control method.The output voltage and current ha... |
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| Keywords: | multilevel inverter current control fuzzy control |
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