A Doubly-Grounded Transformer-Less Single-Phase PV Inverter With Boost Capability

被引：1
|
作者：
Wang, Zhong [1 ]
Yao, Zhilei [2 ]
Wang, Qin [3 ]
Xiao, Lan [3 ]
Wu, Qunfang [1 ]
Liu, Tao [4 ]
Zhang, Chen [4 ]
Xu, Jiasheng [4 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing, Jiangsu, Peoples R China
[2] Yancheng Inst Technol, Sch Automot Engn, Yancheng, Peoples R China
[3] Nanjing Univ Aeronaut & Astronaut, Jiangsu Key Lab New Energy Generat & Power Conver, Nanjing, Jiangsu, Peoples R China
[4] Yancheng Inst Technol, Sch Elect, Yancheng, Peoples R China
来源：
2019 IEEE INTERNATIONAL CONFERENCE ON INDUSTRIAL TECHNOLOGY (ICIT) | 2019年
基金：
中国国家自然科学基金;
关键词：
Shading condition; single-phase; transformer-less; doubly-grounded inverter;
D O I：
10.1109/ICIT.2019.8754943
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A doubly-grounded transformer-less single-phase PV inverter with boost capability is proposed. The leakage current does not exist in the proposed topology. This PV inverter can operate at boost mode under shading condition. Only one switch operates at high frequency in each mode. In addition, the boost converter only operates at shading condition, so the efficiency of the system at normal condition is not affected. Operating principle of the proposed inverter is illustrated. Finally, simulation results verify the theoretical analysis.
引用
收藏
页码：1637 / 1642
页数：6
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