摘要
在直流微电网中,光伏需要依靠电力电子功率变换器并网。文章提出了一种非隔离高增益DC-DC变换器,该变换器采用改进的开关电感,以提高负载的输出电压,对其连续导通模式和不连续导通模式下的稳态进行了分析,并与其它功率变换器拓扑进行了比较。最后,在Matlab仿真平台和实验样机上进行了对比,仿真和实验结果与理论分析结果基本一致。文章所提变换器与传统升压变换器相比,具有较高的电压增益,虽然该变换器使用了两个功率开关,但由于两个功率开关采用统一操作,因此控制电路简单。
In DC microgrids,photovoltaic need to rely on power electronic converters for grid connection.This paper proposes a non isolated high gain DC-DC converter that uses an improved switching inductor to increase the output voltage of the load.The steady-state performance of the converter in continuous and discontinuous conduction modes is analyzed and compared with other power converter topologies.Finally,a comparison was made between the Matlab simulation platform and the experimental prototype.The simulation and experimental results were basically consistent with the theoretical analysis results.Compared with the traditional boost converter,the proposed converter has higher voltage gain.Although the converter uses two power switches,it adopts unified control operation,so the control circuit is simple.
作者
岳舟
刘小荻
姚绍华
周勇
Yue Zhou;Liu Xiaodi;Yao Shaohua;Zhou Yong(College of Energy,Mechanical and Electrical Engineering,Hunan University of Humanities,Science and Technology,Loudi 417000,China)
出处
《可再生能源》
CAS
CSCD
北大核心
2023年第8期1057-1064,共8页
Renewable Energy Resources
基金
国家自然科学基金项目(61702182)
湖南省自然科学基金项目(2023JJ50489)
湖南省创新训练项目(S202110553023)。
作者简介
岳舟(1982-),男,硕士,副教授,研究方向为电力电子与电力传动。E-mail:yuezhou2000@163.com。
