Study on the Control Strategy of Cascaded H-Bridge Photovoltaic Grid-Connected Inverters

被引：0
|
作者：
Liang, Xinzhao [1 ]
Cai, Fenghuang [1 ]
机构：
[1] Fuzhou Univ, Fuzhou 350108, Peoples R China
来源：
PROCEEDINGS OF 2023 INTERNATIONAL CONFERENCE ON WIRELESS POWER TRANSFER, VOL 3, ICWPT 2023 | 2024年 / 1160卷
关键词：
Cascade H-bridge; Inverter; Modularization;
D O I：
10.1007/978-981-97-0865-9_42
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：
Taking the cascaded H-bridge (CHB) inverter as the object of study, the structure of the inverter system is analyzed and the modulation strategy of the system is investigated. A control strategy based on a three-phase cascaded H-bridge topology is proposed for a PV grid-connected inverter system. The scheme adopts a carrier level phase-shift modulation strategy, which can realize the maximum power point tracking of the front-stage PV string, the control of the grid-connected current, and the grid-connection of the inverter. Finally, the inverter with the proposed strategy is simulated in MATLAB/SIMULINK environment, and the simulation results prove the correctness and feasibility of the control strategy.
引用
收藏
页码：387 / 394
页数：8
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