Controlling a Grid-Connected T-type Three Level Inverter System Using a Sliding Mode Approach

被引：0
|
作者：
Fernao Pires, V. [1 ]
Sousa, Duarte M. [2 ]
Martins, J. F. [3 ]
机构：
[1] INESC ID Lisboa, Inst Politecn Setubal, EST Setubal, Setubal, Portugal
[2] Univ Lisbon, INESC ID Lisboa, IST, Lisbon, Portugal
[3] Univ Nova Lisboa, UNINOVA, CTS, FCT, Monte De Caparica, Portugal
来源：
2014 IEEE 23RD INTERNATIONAL SYMPOSIUM ON INDUSTRIAL ELECTRONICS (ISIE) | 2014年
关键词：
T-type; three level inverter; photovoltaic system; sliding mode controller; ALGORITHM; TRACKING;
D O I：
暂无
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：
In this work a multilevel inverter based grid connected photovoltaic system is presented. It is used a T-type multilevel inverter. This inverter is based on a classic three-phase voltage source inverter. However, in order to increase the number of voltage levels, three extra bi-directional switches are used. These switches are connected between the three-phase terminals of the inverter and a common point of the two DC-capacitors. The inverter is connected to the photovoltaic panel through a DC/DC converter and to a three-phase transformer. The DC/DC converter and the multilevel inverter are controlled using a sliding mode controller. At the output of the controller associated to the multilevel inverter is used a vectorial modulator. This modulator will also be used to ensure the DC voltage balancing of the capacitors connected to the inverter. A maximum power point tracking algorithm associated to the photovoltaic generator is also presented. Several results are presented in order to confirm the characteristics of the proposed system.
引用
收藏
页码：2002 / 2007
页数：6
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