Control and Analysis of MPPT Techniques for Standalone PV System with High Voltage Gain Interleaved Boost Converter

Year 2018, Volume: 31 Issue: 2, 515 - 530, 01.06.2018

Jyotheeswara Reddy Sudhakar Natarajan

Abstract

In photovoltaic (PV) power generating systems
DC-DC converters acts as an interface between the PV source and the load. This
paper deals with the use of a high voltage gain three- phase interleaved DC-DC boost
converter (IBC) for the standalone PV system applications. Interleaving
technique provides high power capability and reduces the voltage stress on the
power semiconductor devices. In PV system maximum power point tracking (MPPT)
technique is used to track the maximum power from the PV panel. To extract the
maximum power from the PV panel at different irradiation levels radial basis
function network (RBFN) based MPPT algorithm is developed. The output power of
the high voltage gain three-phase IBC with RBFN based MPPT controller is
compared with traditional P&O and fuzzy logic based MPPT controllers at
different irradiation levels. The performance analysis of P&O, fuzzy logic
and RBFN MPPT algorithms with high voltage gain three-phase IBC is done by
using MATLAB/SIMULINK.

Keywords

Photovoltaic (PV), Maximum Power Point Tracking (MPPT), P&O algorithm, Fuzzy Logic Controller (FLC), RBFN, High voltage gain IBC

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