Cascaded Three-phase Quasi-Z Source Photovoltaic Inverter

被引：0
|
作者：
Li, Zhiyong [1 ]
Huang, Guohang [1 ]
Zhang, Weiwei [2 ]
Tang, Yufeng [1 ]
Chen, Yougen [1 ]
机构：
[1] Cent S Univ, Dept Informat Sci & Engn, Changsha, Hunan, Peoples R China
[2] CRRC Corp Ltd, Zhuzhou Elect Co Ltd, Zhuzhou, Peoples R China
来源：
2018 8TH INTERNATIONAL CONFERENCE ON POWER AND ENERGY SYSTEMS (ICPES) | 2018年
关键词：
Line voltage cascade; Multiplexed inverter; quasi-Z source network; PV grid-connection;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A multiplexed inverter topology cascaded by line voltage is proposed, which composes three modules: PV panel, quasi-z source network and three-phase inverter. Through an analysis of the function feature of established mathematical model, an improved dual-loop control system is proposed. Voltage boost is added in the improved dc side, where 180V PV input voltage of each module can realize 380V direct grid-connection without transformer. Costs and switch frequency are decreased. The proposed control methodology is fit in three-phase grid-connection generation system with new energy.
引用
收藏
页码：6 / 10
页数：5
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