Control of three-level NPC inverter based grid connected PV system

被引：0
|
作者：
Zorig, A. [1 ]
Belkheiri, M. [1 ]
Barkat, S. [2 ]
Rabhi, A. [3 ]
机构：
[1] Univ Amar Telidji, Lab Telecommun Signaux & Syst, BP G37,Route Gardaia, Laghouat 03000, Algeria
[2] Univ Mohamed Boudiaf Msila, Lab Genie Elect, Msila 28000, Algeria
[3] Univ Picardie Jules Verne, Lab MIS, F-80039 Amiens 1, France
来源：
3RD INTERNATIONAL CONFERENCE ON CONTROL, ENGINEERING & INFORMATION TECHNOLOGY (CEIT 2015) | 2015年
关键词：
Distributed generation; Photovoltaic system; Boost converter; Multilevel inverter; Multilevel space vector modulation; Grid-connected system;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents the control of a photovoltaic distributed generation system based on dual-stage topology of DC-DC boost converter and three-level neutral-point-clamped (NPC) voltage source inverter (VSI). Decoupling control strategy of three-level VSI is proposed to control the current injected into the grid, reactive power compensation, and DC-link voltage. The resulting system is able to extract the maximum power from photovoltaic generator, to achieve sinusoidal grid currents, and to ensure reactive power compensation. The voltage-balancing control of two split DC capacitors of the three-level VSI is achieved using three-level space vector modulation with balancing strategy based on the effective use of the redundant switching states of the inverter voltage vectors. The proposed system performance is investigated at different operating conditions.
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页数：6
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