Incremental conductance MPPT in grid connected PV system
Praveen Kumar Mishra, Prabhakar Tiwari
Abstract
PV (photovoltaic) system input is irradiation and ambient temperature. The solar radiation is varying in nature so efficiency is low of PV system. The various maximum power point tracking (MPPT) methods are used to enhance effectiveness of solar PV system. The incremental conductance(IC) algorithm is one of the MPPT algorithms which is extensively employed because, at steady state it has high tracking correctness and high productivity at quickly varying atmospheric circumstances. In this proposed system a combination of IC algorithm and integral regulator (IR) is used to obtain MPPT in PV system. This combination gives high accuracy, stable operation in PV module entire region and it also eliminate oscillations near about the peak power operating point. A 100kw PV system is design in MATLAB software 2016a version. This PV system consist proposed IC-IR algorithm to obtain maximal power operating point.