Hysteresis controller based enhanced photo voltaic system for Ac Applications

International Journal of Electrical and Electronics Engineering
© 2016 by SSRG - IJEEE Journal
Volume 3 Issue 4
Year of Publication : 2016
Authors : Ch Bhanu Pratap, M Phani Raju
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Citation:
MLA Style:

Ch Bhanu Pratap, M Phani Raju, "Hysteresis controller based enhanced photo voltaic system for Ac Applications" SSRG International Journal of Electrical and Electronics Engineering 3.4 (2016): 14-20

APA Style:

Ch Bhanu Pratap, M Phani Raju,(2016). Hysteresis controller based enhanced photo voltaic system for Ac Applications. SSRG International Journal of Electrical and Electronics Engineering 3(4), 14-20.

Abstract:

The fly back converter has the huge merits like as compressed conformation, trouble-free control loop, electric separation, high step-up ratio, high reliability and performance, etc. So it is a permissive and effective technology for compensating problems for the Ac Applications. In this paper boundary conduction mode (BCM) of operation utilizing rather than the CCM and DCM. Because of it’s operated under wide range of frequencies. Then it will produce less ripple contents in the output, it will maintained high efficiency levels. Nevertheless, the BCM controller is very difficult because they have different switching mode operating frequency conditions. This may happens to complications in the models it will leads to difficulties in the mathematical simplifications between output current iout and the reference required current iref , which has a huge manipulation on the THD of iout .This paper involves and implemented a calculation model between output current iout and iref reference current in BCM during theoretical beginning knowledge, and developed a simplified control strategy to make the reference current shows that has to be maintaining decreases THD of output current. Temporarily the understanding of Hysteresis controller based on the analyzed model is also founded. As results the simulation models are tested and verified within the MATLAB/SIMULINK are demonstrated, which delivers the implemented approach has the effective model for ac applications.

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Key Words:

 

AC module, energy conversion, photovoltaic power systems, system analysis and design, hysteresis controller.