Small-Signal Modeling and Control of Three-Phase Grid-Connected Three-Level Neutral-Point-Clamped Inverter with a LCL Filter

被引：0

作者：

Cho, Ja-Hwi ^{[1
]}

Ku, Nam-Joon ^{[1
]}

Kim, Rae-Young ^{[1
]}

Hyun, Dong-Seok ^{[1
]}

机构：

[1] Hanyang Univ, Seoul 133791, South Korea

来源：

2013 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2013年

关键词：

Grid-connected; LCL filter; NPC inverter; NPC averaged model; NPC state space representation; NPC switching function Small-signal Model; Three-level inverter;

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：

The propose of this paper is to present the systematic processes of constructing the averaged small-signal model of the three-phase grid-connected three-level neutral-point-clamped inverter with a LCL filter and to design the control system for the grid current by using the model. The systematic processes are composed of the averaging, perturbing and linearizing step about the circuit equations. In addition, this paper presents a frequency-domain analysis to design the control systems and study the system stability and the control scheme of the grid current based on the averaged small-signal model. The validity of the model is verified by the simulation and the experiments.

引用

页码：4076 / 4081

页数：6

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