Please use this identifier to cite or link to this item: https://dspace.upt.ro/xmlui/handle/123456789/7244
Title: Z - H converter with a new simple MPPT for photovoltaic power generation system [articol]
Authors: Shajith Ali, U.
Subjects: Maximum Power Point Tracking
Photovoltaic
Power conditioning
Z-H converter
Issue Date: 2018
Publisher: Timișoara : Editura Politehnica
Citation: Shajith Ali,U.: Z - H converter with a new simple MPPT for photovoltaic power generation system. Timişoara: Editura Politehnica, 2018.
Series/Report no.: Journal of Electrical Engineering;Vol 18 No 3
Abstract: Power electronic converters play the role of power conditioning unit in solar energy to electrical energy conversion for voltage conversion and acquiring the maximum power from the photovoltaic array. Z-H converters are the recently introduced power converters with buck and boost capability. They extend a greater range of output voltage, provide high reliability and reduce ripple and in-rush currents in the circuits. So, they can perform as power conditioning units and render better results compared to conventional power converters. Moreover, Z-H converter does not need the front end diode as compared to the basic Z-source converter without compromising the performance under buck and boost operations. The operating principle with equivalent circuits and the steady state analysis are provided. A 37W solar panel with 36 series connected cells is taken in this work for simulation and implementation. A 300W photovoltaic array is developed from these panels and integrated with Z-H converter. A simple maximum power point tracking technique using perturb and observe algorithm is proposed to extract maximum power from the photovoltaic array at any operating conditions. The complete system is modeled and simulated using MATLAB. Also the proposed concepts are verified experimentally using a laboratory prototype.
URI: https://dspace.upt.ro/xmlui/handle/123456789/7244
ISSN: 1582-4594
Appears in Collections:Articole științifice/Scientific articles

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