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。
This paper presents implementation scheme based on DSP control of the non-isolated grid-connected photovoltaie inverter, introduces the structure and principle of non-isolated grid-connected photovohaie 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 island- ing protection is tested.3.0 kW of prototype is completed, experimental waveforms and analysis show the control strategic and schemes are effective.
出处
《电子技术应用》
北大核心
2012年第2期53-55,59,共4页
Application of Electronic Technique
基金
广东省科技攻关项目(201B010900003)
广州市黄埔区科技支撑项目(1129)
关键词
非隔离型
DSP控制
并网逆变器
MPPT
无差拍控制
non-isolated
DSP control
grid-connected photovoltaic inverter
MPPT
deadbeat control
