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International Journal of Scientific and Engineering Research
ISSN Online 2229-5518
ISSN Print: 2229-5518 3    
Website: http://www.ijser.org
scirp IJSER >> Volume 3,Issue 3,March 2012
Design and Implementation of Maximum Power Point Tracking (MPPT) Algorithm for a Standalone PV System
Full Text(PDF, )  PP.428-434  
S.Gomathy, S.Saravanan, Dr. S. Thangave
:PV, MPPT, P&O, Incremental Conductance (INC),VSS INC
Maximum power point trackers (MPPTs) play a vital role in photovoltaic (PV) systems because they increase the efficiency of the solar photovoltaic system by increasing the power output. MPPT algorithms are necessary because PV arrays have a non linear voltage-current characteristic with a unique point where the power produced is maximum. The output power from the solar panel varies with solar irradiance, temperature and so on. To increase the power extracted from the solar panel, it is necessary to operate the photovoltaic (PV) system at the maximum power point (MPP). This paper presents the Matlab/simulink arrangement of perturb & observe (P&O) and incremental conductance (INC) MPPT algorithm which is responsible for driving the dc-dc boost converter to track maximum power point (MPP). This paper also presents the theoretical analysis of variable step size (VSS) of INC MPPT which can effectively improve the tracking speed and accuracy of maximum power
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