Application of Embedded Z-Source Inverters in Grid Connected Photovoltaic Systems

被引：0

作者：

Khani, Saeid ^{[1
]}

Mohammadian, Leila ^{[2
]}

Hosseini, Seyed Hossein ^{[2
]}

Milani, Karim Roshan ^{[1
]}

机构：

[1] Azarbayjan Elect Power Distribut Co, Tabriz, Iran

[2] Univ Tabriz, Fac Elect & Comp Engn, Tabriz, Iran

来源：

2013 18TH CONFERENCE ON ELECTRICAL POWER DISTRIBUTION NETWORKS (EPDC) | 2013年

关键词：

EZ-Sourc invertere; grid connected inverter; MPPT Photo voltaic;

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：

This paper proposes the use of the embedded Z-Source (EZ-source) inverters in photovoltaic (PV) grid interconnection. Being different from the traditional Z-source inverter, EZ-source inverters are constructed by inserting dc sources into the X-shaped impedance network so that the dc input current flows smoothly during the whole switching period unlike the traditional Z-source inverter. Fully parallel embedded Z-Source (FPEZ-source) inverters are one of the EZ-source inverters topologies with two isolated dc sources are embedded with each inductor of X-shaped network in series and so we can use two PV panel in this structure. The control system consist of two parts: one part adjusts the shoot through time for maximum power point tracking (MPPT) by simple dp/dv method and another part generate the reference current for FPEZ-source inverter to inject maximum available power of PV array to grid with high quality and maintain DC link capacitor voltage in its reference value. The performance of proposed structure and control strategy is validated with simulation results obtained using PSCAD/EMTDC software.

引用

页数：5

共 11 条

[1]

Chen XG, 2009, UPEC: 2009 44TH INTERNATIONAL UNIVERSITIES POWER ENGINEERING CONFERENCE, P702

[2]

Farhangi B., 2006, IEEE Power Electronics Specialists Conference (PESC), P1, DOI DOI 10.1109/PESC.2006.1711742

[3] Operational Analysis and Comparative Evaluation of Embedded Z-Source Inverters [J].