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Analysis, Design and Experimental Study of Single Phase Embedded Impedance-Source Inverter for Photovoltaic System

Nisha K.C.R*, T.N. Basavaraj**

* Sathyabama University, Electrical & Electronics Department, Chennai, India.

** New Horizon College of Engineering, Electronics & Communication Department, Bangalore, India.

Periodicity:November - January'2013
DOI : https://doi.org/10.26634/jes.1.4.2109

Abstract

This paper presents the experimental results of a low cost inverter for solar systems based on embedded EZ-source concept. Compared to the traditional Z-Source Inverter (ZSI), embedded EZ-Source Inverter (EZSI) provides implicit source current or voltage filtering. EZSI can also produce the same gain as ZSI but with smoother and smaller current or voltage maintained across the input and within the impedance network. These additional features are obtained without requiring additional second order filters and therefore reducing the system cost and capacitor voltage rating. These advantages are significant for applications like photovoltaic and wind electric systems. Operational analysis of EZSI in shoot-through and non-shoot-through mode are described. A design example of EZSI module for 300 W PV panel with output voltage range of 30V-60V is also presented .A prototype is built to verify the proposed system. Simulation and experimental results prove the validity of the analytical model.

Keywords

EZ-Source Inverter,Shoot-Through,Photo-Voltaic,Z-Source Inverter.

How to Cite this Article?

Nisha.K.C.R., and Basavaraj.T.N. (2013).Analysis, Design And Experimental Study Of Single Phase Embedded Impedance-source Inverter For Photovoltaic System. i-manager’s Journal on Embedded Systems, 1(4), 28-35. https://doi.org/10.26634/jes.1.4.2109

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Analysis, Design and Experimental Study of Single Phase Embedded Impedance-Source Inverter for Photovoltaic System

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