International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 12 Issue: 11 | Nov 2025
p-ISSN: 2395-0072
www.irjet.net
IMPLEMENTATION OF WIRELESS CHARGING SYSTEM FOR ELECTRIC VEHICLE USING SOLAR PANELS Chandushree D, Namratha R, Pericharlasairamkrishnaraju, Santhosh V, S S Vidya 1,2,3,4, Dept .of E&IE Bangalore Institute of Technology Bengaluru, India
5Assistant Professor Dept .of E&IE Bangalore Institute of Technology Bengaluru, India
----------------------------------------------------------------------***------------------------------------------------------------------------Abstract— The rapid increase in electric vehicle (EV) adoption has created a demand for efficient, reliable, and userfriendly charging technologies. Traditional plug-in charging systems face limitations such as cable wear, safety hazards, and dependency on grid electricity. This paper presents the design and implementation of a wireless charging system for electric vehicles powered entirely by solar panels, focusing on low-cost hardware using an Arduino microcontroller and a resonant inductive coupling- based transmitter–receiver coil system. Solar energy is harvested and regulated using charge controllers and stored in batteries, which subsequently power the wireless charging transmitter. Experimental evaluation demonstrates that the prototype achieves stable power delivery at small air gaps with reasonable efficiency, highlighting the feasibility of solar-powered wireless charging as a clean, sustainable, and convenient EV charging method. The system offers promising applications for rural areas, smart parking lots, and renewable mobile charging stations. Keywords— Wireless Charging, Electric Vehicle, Solar Energy, Inductive Coupling, Renewable Energy, Arduino, Power Electronics.
INTRODUCTION The growing environmental concerns and depletion of fossil fuels have accelerated the global shift toward electric vehicles (EVs). Although EVs offer numerous benefits, their widespread adoption is hindered by limitations in charging infrastructure, particularly issues related to slow charging, lack of accessibility, and overdependence on grid electricity. Sustainable charging solutions, such as solar-powered systems, are gaining attention due to their ability to reduce carbon emissions and operational costs. Wireless charging, also known as inductive power transfer (IPT), eliminates physical connectors by transferring energy through magnetic fields. This technology greatly enhances user convenience, reduces maintenance, and ensures charging safety. Combining solar energy with wireless EV charging represents a significant advancement toward green transportation. This research presents a prototype wireless charging system for EVs using solar panels, demonstrating how renewable energy can power inductive charging coils through regulated circuitry controlled by Arduino.
Objectives Several studies have investigated wireless charging and renewable energy integration for EVs. Kurs et al. demonstrated mid-range wireless power transfer using strongly coupled magnetic resonators, establishing theoretical foundations for inductive systems. Later, Budhia et al. developed IPT-based EV charging pads capable of transferring kilowatts of power at high efficiency. Solar-based EV charging solutions were explored by Patel and Shah, emphasizing the benefits of using photovoltaic (PV) panels to reduce grid dependency. Many researchers have integrated MPPT charge controllers with batteries to ensure stable energy storage. Recent works show that inductive charging at low power using microcontrollers (Arduino, MSP430) is feasible for educational and prototype applications. However, limited research has explored the integration of solar energy + inductive EV charging at the prototype level using low- cost hardware. This paper aims to fill that gap.
I. RELATED WORK Wireless power transfer (WPT) for electric vehicles (EVs) has attracted extensive research due to its potential to simplify charging, improve safety, and enable convenient public and private charging infrastructure. Early research on inductive charging established the theoretical and experimental basis for mid-range power transfer via resonant magnetic coupling. Kurs et al. [1] demonstrated the feasibility of mid-range wireless power transfer using strongly coupled magnetic resonators, which laid the foundation for later EV-scale resonant inductive designs. Following this, several authors developed practical IPT (inductive power transfer) pads and coil topologies optimized for higher power and efficiency; Budhia et al. [2] and Covic & Boys [3] investigated coil geometries and compensation networks to maximize coupled power while minimizing losses.
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