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1. SOLAR POWERED DYNAMIC WIRELESS CHARGING FOR ELECTRIC VEHICLE Rithanya S Balajiprabhu V Suba shree R S Supervisor by Ms.S.Karthika KIT-KALAIGNARKARUNANIDHI INSTITUTE OF TECHNOLOGY Department of Electrical and Electronics Engineering Batch: 2021-25 B19EEP703-Project phase 1 IV Year/07 th SEM Review No:0

2. SOLAR POWERED DYNAMIC WIRELESS CHARGING FOR ELECTRIC VEHICLE Rithanya S Balajiprabhu V Suba shree R S Supervisor by Ms.S.Karthika KIT-KALAIGNARKARUNANIDHI INSTITUTE OF TECHNOLOGY Department of Electrical and Electronics Engineering Batch: 2021-25 B19EEP703-Project phase 1 IV Year/07 th SEM Review No:1

3. SOLAR POWERED DYNAMIC WIRELESS CHARGING FOR ELECTRIC VEHICLE Rithanya S Balajiprabhu V Suba shree R S Supervisor by Ms.S.Karthika KIT-KALAIGNARKARUNANIDHI INSTITUTE OF TECHNOLOGY Department of Electrical and Electronics Engineering Batch: 2021-25 B19EEP703-Project phase 1 IV Year/07 th SEM Review No:2

4. SOLAR POWERED DYNAMIC WIRELESS CHARGING FOR ELECTRIC VEHICLE Rithanya S Balajiprabhu V Suba shree R S Supervisor by Ms.S.Karthika KIT-KALAIGNARKARUNANIDHI INSTITUTE OF TECHNOLOGY Department of Electrical and Electronics Engineering Batch: 2021-25 B19EEP703-Project phase 1 IV Year/07 th SEM Review No:3

5. 5 Comment Action Taken Approval from reviewer Previous Review Comments and Action Taken

6. 6 Introduction Abstract Literature survey Problem Statement Objectives System Description Methodology Simulation / Design of Experiments Results & Discussion Conclusion &Future scope References (last 5 Years) Contents

7. Introduction 7 Wireless power transfer (WPT) systems offer a practical solution for efficient energy delivery without physical connectors, particularly for electric vehicles. Our system utilizes solar energy, where a solar panel charges a battery that powers an inverter and transmitter coil to wirelessly transfer energy. The receiver side captures this energy with a receiver coil, converts it to DC power using a rectifier, and stores it in a battery. Real-time monitoring is provided through an LCD display, ensuring effective system performance. This setup not only enhances convenience but also supports sustainability by leveraging renewable solar power for energy transfer.

8. The system uses solar energy as a renewable and eco-friendly power source for vehicles. Wireless power transfer is achieved using transmitter and receiver coils, eliminating the need for physical connections. Solar energy is stored in batteries on both sides, ensuring continuous and reliable power supply. Real-time monitoring is provided through an LCD display, allowing for effective tracking of system performance. The system's design is scalable and versatile, making it suitable for a wide range of applications, encouraging sustainable energy use. Abstract

9. Literature survey Journal Publication, year Title of the paper Methodology/ Techniques Limitations 2023 Experimental Design of Solar Powered Dynamic Wireless Charging of Electric Vehical Wireless power transfer, solar power conversion, energy storage, control systems, modeling and simulation, data analysis. Solar power variability Wireless power transfer efficiency Energy storage constraints 2018 Dynamic Wireless Charging of Electric Vehicles: Multi-channel Modeling Equivalent circuit modeling, finite element analysis, multi-objective optimization, machine learning, experimental validation. Nonlinear effects Model validation Computational cost 2022 A Systematic Review of Dynamic Wireless Charging System for Electric Transportation This is the underlying technology used in DWC systems. It involves transferring power wirelessly through magnetic induction between two coils. Charging time Electromagnetic interference Grid integration

10. 02.09.2021 Contents Literature survey Journal Publication, year Title of the paper Methodology/ Techniques Limitations 2019 A Bidirectional Inductive Power Interface for Electric Vehicles in V2G Systems the section or subsection will discuss the methods or techniques used in the research on bidirectional inductive power interfaces for electric vehicles. Standardization Modeling and simulation 2020 A Bidirectional Wireless Power Transfer EV Charger Using Self-Resonant PWM that the section or subsection will discuss the methods or techniques used in the research on bidirectional inductive power interfaces for electric vehicles. Self-resonant PWM 2019 Wireless Power and Bidirectional Data Transfer Scheme for Battery Charger It include theoretical modeling, experimental validation, control algorithm development. Power transfer efficiency Data transfer rate

11. 02.09.2021 11 Contents Literature survey (10 Papers) Journal Publication, year Title of the paper Methodology/ Techniques Limitations 2019 A Design of a Wireless Power Receiving Unit with High Efficiency 6.78 MHz Active Rectifier using Shared DLLs for Magnetic Resonant A4WP Applications The high-efficiency Active Rectifier that operates at 6.78 MHz, specifically designed for resonant wireless charging applications. To further enhance efficiency, they included a Negative Impedance Circuit (NIC) to minimize switching loss. Size and weight Complexity 2019 Adaptive On/Off Delay-Compensated Active Rectifiers for Wireless Power Transfer Systems  An adaptive on/off delay-compensation technique to enhance CMOS active rectifiers for wireless power transfer (WPT) systems. Reliability Regulatory Compliance

12. Literature survey (10 Papers) Journal Publication, year Title of the paper Methodology/ Techniques Limitations 2020 A Dual-Output Wireless Power Transfer System with Active Rectifier and 3-Level Operation The 6.78 MHz wireless power transfer system designed for flash drives needing multiple power supplies under 1 W. Power distribution challenges Safety and reliability concerns 2020 Higher Order Compensation for Inductive-Power-Transfer Converters with Constant-Voltage or Constant-Current Output Combating Transformer Parameter Constraints higher order compensation circuits that can achieve constant-voltage (CV) or constant-current (CC) output with near zero reactive power and soft switching, independent of transformer parameters. Overheating Short circuits

13. 02.09.2021 13 Contents Problem Statement/ Novelty of the research Research advanced materials and resonant coupling to improve efficiency over longer distances. Optimize WPT systems with solar power for continuous operation and reduced grid dependency. Develop better cooling systems and safety protocols to manage heat and ensure reliability. Use modular designs and adaptive control algorithms to enhance flexibility for various applications. Focus on manufacturing advances, materials science, and efficient power electronics to lower costs while maintaining performance.

14. Objectives Achieve reliable and efficient wireless power transfer from the transmitter to the receiver using solar energy as the primary source. Utilize solar panels to convert sunlight into electrical energy, promoting sustainability and reducing reliance on non-renewable power sources. Implement an LCD display for real-time monitoring of system performance, including battery status and energy transfer efficiency. Ensure seamless operation of the power transfer system with minimal physical connectors and maintenance requirements. Optimize the system design for maximum energy transfer efficiency and integration with renewable energy sources.

15. 02.09.2021 15 Contents System Description SOLAR TRANSMITER COIL ARDUINO UNO ATMEGA328P RECEIVER COIL RECTIFIER BATTERY POWER SUPPLY UNIT VOLTAGE SENSOR VOLTAGE SENSOR LCD DC MOTOR INVERTER Block Diagram

16. 02.09.2021 16 Contents System Description Inverter converts DC to AC for wireless transmission. Transmitter coil emits AC power. Solar panel converts sunlight into DC. Receiver coil captures AC power and converts it to DC. Rectifier converts AC to DC. Battery stores DC power. Power supply unit provides regulated DC power. Voltage sensors measure voltage levels. Arduino Uno controls the system, processes sensor data, and drives the DC motor. LCD displays system information. DC motor is the final output device.

17. Methodology Solar panel captures sunlight and converts it into electrical energy. Inverter converts DC power to AC power for wireless transmission. Receiver coil captures AC power, converts it back to DC, and stores it in a battery. LCD provides real-time data on energy transfer and system status.

18. 02.09.2021 Contents Simulation /Design of Experiments Overall simulation

19. 02.09.2021 19 Contents Simulation /Design of Experiments Solar panel Simulation

20. 02.09.2021 20 Contents Result & Discussion The waveform indicates that the output voltage is approximately 14V, as shown by the flat yellow line between 0 and 10 seconds. The voltage remains steady throughout the period, with no significant fluctuations. This suggests that your solar-powered dynamic wireless charging system is providing a consistent 14V output. If your system is designed for constant voltage charging, this behavior is expected. However, if the system should provide variable voltage based on load or other factors, you may need to further investigate why the voltage remains fixed at 14V. Voltage

21. Result & Discussion Current If the output current waveform shows slight variations, it could indicate minimal current fluctuations, potentially caused by unstable power input, slight load changes, or inefficiencies in the wireless transfer. These small differences might suggest that while the system is operational, it is not delivering a significant or stable current. It's essential to monitor these variations to ensure they remain within acceptable limits, as this could affect charging efficiency. You might want to adjust parameters like power conditioning or coupling alignment for more stable current delivery.

22. Result & Discussion State of current The waveform indicates that the State of Charge (SOC) starts at 99.9998% and gradually decreases to approximately 99.9992% over a period of 10 seconds. This decline shows a steady and linear discharge of the battery during the charging process. The rate of decrease is very slow, suggesting minimal energy loss or usage, which might indicate a low load or a highly efficient charging system. However, this slight drop in SOC could also reflect some inefficiencies in the dynamic wireless charging system or energy consumption by the connected components.

23. 02.09.2021 23 Contents Conclusion and Future Scope Wireless power transfer (WPT) systems have significant potential in renewable energy, electric vehicles (EVs), and consumer electronics. Future research should focus on improving energy transfer efficiency, thermal management, and scalability to make WPT more viable. Optimizing WPT systems to work with renewable energy sources and reducing system costs will enhance accessibility and sustainability. Solar-powered dynamic wireless charging infrastructure, integrated into roads and public spaces, will enable EVs to charge while in motion, reducing range anxiety. Continued innovation in wireless charging technology and battery efficiency will make WPT a key component of sustainable transportation and energy systems.

24. 02.09.2021 24 Contents References(last 5 years ) [1] YUVARAJA SHANMUGAM , NARAYANAMOORTHI R , PRADEEP VISHNURAM ,MOHIT BAJAJ , KAREEM M. ABORAS , PADMANABH THAKUR , AND KITMO , "A Systematic Review of Dynamic WirelessCharging System for Electric Transportation"-Received 9 November 2022, accepted 1 December 2022, date of publication 6 December 2022,date of current version 29 December 2022. [2]. Sandeep Ushkewar,Gaurav B. Patil,Vishal Moyal ,"Wireless Charging in a Dynamic Environment forElectric Vehicles"-2022 IEEE Bombay Section Signature Conference (IBSSC) | 978-1-6654-9291-1/22/$31.00 ©2022 IEEE [3] Dileep Kumar ,Akshaya Kumar Pati, Ananna Biswas,"Experimental Design of Solar PoweredDynamicWireless Charging of Electric Vehicle"-2023 International Conference on Smart Systems for applications in Electrical Sciences (ICSSES) | 979-8-3503-4729-6/23/$31.00 ©2023 IEEE