| 单相LCL并网逆变器电流控制综述 |
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| 引用本文： | 吴卫民,刘松培,何远彬,耿攀.单相LCL并网逆变器电流控制综述[J].电源学报,2011,9(2):51-58. |
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| 作者姓名： | 吴卫民 刘松培 何远彬 耿攀 |
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| 作者单位： | 上海海事大学电力传动与控制研究所,上海海事大学电力传动与控制研究所,上海海事大学电力传动与控制研究所,上海海事大学电力传动与控制研究所 |
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| 基金项目： | 国家自然科学基金项目(50707017)；上海市青年科技启明星人才计划项目(09QA1402500)；上海市教委科技创新项目(09YZ249)；上海市教委重点学科项目(J50602) |
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| 摘 要： | 并网逆变器采用LCL滤波器方式的高频滤波效果优于单电感滤波器,但是由于电容支路的引入,将明显增加控制难度.就采用LCL滤波器的并网逆变器基本控制策略而言,可以大体分为三种:采用逆变器侧电感电流反馈的间接电流控制策略,采用电网侧电感电流反馈的直接电流控制策略,以及采用部分逆变器侧电感电流和部分电网侧电感电流反馈的混合控制...
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| 关 键 词： | LCL滤波器 逆变 并网 控制策略 |
| 收稿时间： | 2010/12/25 0:00:00 |
| 修稿时间： | 2010/12/25 0:00:00 |
Overview of Current Control Technique for Single-Phase Grid-Connected Inverter with LCL Filter |
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| WU Wei-min,LIU Song-pei,HE Yuan-bin and GENG Pan.Overview of Current Control Technique for Single-Phase Grid-Connected Inverter with LCL Filter[J].Journal of power supply,2011,9(2):51-58. |
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| Authors: | WU Wei-min LIU Song-pei HE Yuan-bin and GENG Pan |
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| Affiliation: | Research Institute of Electronic Automation, Shanghai Maritime University,Research Institute of Electronic Automation, Shanghai Maritime University,Research Institute of Electronic Automation, Shanghai Maritime University and Research Institute of Electronic Automation, Shanghai Maritime University |
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| Abstract: | A LCL filter s performance for attenuating high frequency harmonics of grid-connected inverter is better than that with single inductance filter.But the additional capacitor spur track makes the control of the inverter too complex.There are three basic control strategies for a grid-connected inverter with a LCL filter:the indirect current control with the inductor current tied to the inverter as feedback,the direct current control with the inductor current tied to the grid as feedback and the direct current control with partial inductor currents of both LCL filters as feedback.Several types of controller could be adopted for each strategy.The control for a single-phase grid-connected inverter is studied.The advantage and disadvantage of each method are analyzed and discussed in detail. |
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| Keywords: | LCL filter inverter grid-connected control strategy |
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