Journal of Electrical Engineering : Volume 18 / 2018 - Edition : 2

IMPLEMENTATION OF SOLAR PV BASED MICROCONVERTER WITH OPTIMAL MPPT CONTROL UNDER PARTIAL SHADING CONDITION

Authors:
Premkumar .M
Sumithira .T.R
Sowmya .R
Domain:
power electronics
Abstract:
The centralized traditional power grid leads to national power blackout resulting increase in research for alternate solutions. The solar photovoltaic is connected with module integrated converter (MIC) is the efficient way of increasing the performance in now-a-days. The modelling and analysis of such a microconverter with various Maximum Power Point Tracking (MPPT) techniques is simulated with dynamic simulation software in this work. The MPPT algorithm is applied on the SEPIC converter to extract the maximum and optimal power from the panel. The objective of the proposed research is to convert the raw solar energy from the PV cell and supplied to the load with high efficiency and high power quality. The converter includes low voltage stress on the semiconductor devices and simplicity of design. The switching losses are also reduced by replacing with single MOSFET in SEPIC converter. Hence the triggering components and commutation components are reduced while using a MOSFET and therefore the conduction losses are reduced. The converter is analysed with different modern MPPT techniques and this paper concludes optimal MPPT for the converter to extract the maximum power. Finally, the converter is designed for the rating of 80W and optimal MPPT is experimentally verified on the converter.
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