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DSP控制的3kW非隔离型并网逆变器研究
引用本文:薛家祥,崔龙彬,张红卫,廖天发,张思章.DSP控制的3kW非隔离型并网逆变器研究[J].电子技术应用,2012,38(2):53-55,59.
作者姓名:薛家祥  崔龙彬  张红卫  廖天发  张思章
作者单位:华南理工大学机械与汽车工程学院,广东广州,510640
基金项目:广东省科技攻关项目,广州市黄埔区科技支撑项目
摘    要:提出了一种基于DSP控制的非隔离型并网逆变器的实现方案。介绍了该并网逆变器结构及原理,给出了基于DSP控制的硬件和软件的总体设计,实现了基于电压扰动观察与控制的最大功率点跟踪(MPPT)和无差拍控制的并网控制策略,并测试了其孤岛保护,完成了3 kW的实验样机及相关实验,对实验波形的分析证明了该控制策略和方案的有效性。

关 键 词:非隔离型  DSP控制  并网逆变器  MPPT  无差拍控制

Study of 3 kW non-isolated grid-connected photovoltaic inverter based on DSP control
Xue Jiaxiang , Cui Longbin , Zhang Hongwei , Liao Tianfa , Zhang Sizhang.Study of 3 kW non-isolated grid-connected photovoltaic inverter based on DSP control[J].Application of Electronic Technique,2012,38(2):53-55,59.
Authors:Xue Jiaxiang  Cui Longbin  Zhang Hongwei  Liao Tianfa  Zhang Sizhang
Affiliation:(Mechanical and Automobile Engineering College,South China University of Technology,Guangzhou 510640,China)
Abstract:This paper presents implementation scheme based on DSP control of the non-isolated grid-connected photovoltaic inverter,introduces the structure and principle of non-isolated grid-connected photovoltaic inverter.The design of hardware and software system based on DSP,control strategies of grid-connected based on MPPT and deadbeat control are presented,and islanding protection is tested.3.0 kW of prototype is completed,experimental waveforms and analysis show the control strategie and schemes are effective.
Keywords:non-isolated  DSP control  grid-connected photovoltaic inverter  MPPT  deadbeat control
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