Authors:
Mohammad Sadegh Javadi,Rahil Bahrami,DOI NO:
https://doi.org/10.26782/jmcms.2019.12.00018Keywords:
Maximum Power Point Tracking,Perturb and Observe,Photovoltaic Panel,Zero Current Switching Converters,Abstract
This paper presents a new approach based upon Perturb and Observe (P&O) to track Maximum Power Point (MPP) in Photovoltaic (PV) systems. This algorithm has a wide step length range which results in a very high response time to changing ambient condition. This method is analogue based and thus no DSP and/or A/D are employed in this system which greatly reduces the complexity and cost. To further increase the total efficiency, a soft switching converter as an interface circuit is applied. Semiconductor devices in underutilized converter entirely are fully soft switched. The proposed system is analyzed and the simulation results are presented. A 135W prototype system is implemented and the stated experimental results confirm the veracity of the theoretical analysis.Refference:
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