MUMBAI, India, June 22 -- Intellectual Property India has published a patent application (202621045407 A) filed by Milind Kamble; Abhay Chopde; Vansh Pawan Sharda; Nimish Nitin Wani; and Sarwadnya Dewanand Wasu on April 09, 2026, for Maximum Power Point Tracking(mppt) System..

Inventors include Milind Kamble; Abhay Chopde; Vansh Pawan Sharda; Nimish Nitin Wani; and Sarwadnya Dewanand Wasu.

The application for the patent was published on June 12, 2026, under issue no. 24/2026.

Abstract: Solar photovoltaic (PV) systems exhibit nonlinear behaviour, with output power strongly influenced by variations in irradiance and temperature, leading to reduced efficiency if not properly controlled. Temperature fluctuations, irradiance fluctuations, and partial shading cause modules to have low conversion efficiency and inherent intermittency despite PV's rapid growth. Under such conditions, the operating point of a PV panel changes continuously, necessitating the use of Maximum Power Point Tracking (MPPT) algorithms to maintain operation at the Maximum Power Point (MPP). MPPT techniques increase efficiency, maximize energy extraction, and stabilize PV output in dynamic environments, making them essential for practical photovoltaic energy systems. This work presents the design and implementation of a low-cost 50 W MPPT solar charge controller based on an Arduino Nano, employing a synchronous buck converter, voltage and current sensing circuits, and the Perturb-and-Observe (P&O) algorithm for maximum power point tracking. The system efficiently charges a 12 V lead-acid battery while providing real-time monitoring of key system parameters through a 20×4 LCD interface. Experimental observations confirm stable MPPT operation, accurate power tracking, and reliable charging performance under varying operating conditions. The proposed system demonstrates that classical MPPT techniques remain effective for small-scale, cost-sensitive PV applications while combining traditional MPPT theory with practical hardware implementation.

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