A Compendium of Nature Inspired MPPT Algorithm for Partial Shading in PV Systems

Abstract

Electricity has a significant role to play in economy of country. Increasing populations and increasing industrial dependences of electricity are ultimatum demanding various renewable energy sources. Photovoltaic systems (PV) come up to gratify these electricity needs. PV system generates power for irradiance of the sun. Irradiance is intermittent as per the atmospheric conditions and thus PV system has fitful output. In PV system Maximum output is traced by Maximum Power Point Tracking (MPPT) algorithms as per atmospheric conditions. PV panels are coupled to form a PV array for meeting the demand of required voltage and current of the system. In PV array partial shading condition is one more challenge for tracking MPP (Maximum Power Point). Conventional MMPT algorithms expeditiously track the MPP for dynamic atmospheric condition but fail in case of partial shading. Partial shading creates multiple MPPs and it become more tedious to track MPP. Many nature inspired algorithm are put through under partial shading condition. Here a compendium of nature inspired MPPT algorithms for partial shading is done