Dynamic Signal System Analysis of Resonant 3- Phase Wireless Energy Transfer

Abstract

The project “Dynamic Signal System Analysis of Resonant 3-Phase Wireless Energy Transfer” focuses on developing a highly efficient and contactless power transmission system using the principle of resonant inductive coupling. The main aim of this work is to analyze and improve the dynamic behaviour of signals in a three-phase wireless energy transfer network to achieve stable and balanced power delivery. In this system, electrical energy from a three-phase source is transmitted wirelessly through tuned resonant coils that operate at the same frequency, ensuring maximum coupling efficiency. The dynamic signal analysis continuously monitors voltage, current, and phase variations, enabling the system to maintain resonance under different load or distance conditions. This approach reduces power loss, enhances transfer efficiency, and ensures smooth operation without physical connections. The proposed design combines both simulation and hardware implementation to study real-time signal characteristics and performance. The results demonstrate that dynamic analysis improves system reliability, frequency stability, and phase synchronization. This project provides a strong foundation for future applications such as wireless charging of electric vehicles, industrial automation, and renewable energy systems, where efficient and safe wireless power transfer is essential.

Introduction

The project focuses on resonant 3-phase wireless energy transfer, a technology that transmits electrical power without physical wires using resonant inductive coupling. By combining three-phase power distribution with resonance tuning, the system achieves efficient, stable, and balanced energy delivery. A dynamic signal analysis unit continuously monitors voltage, current, frequency, and phase to ensure optimal performance under varying load, distance, and alignment conditions.

Objectives include analyzing system behavior under different operating conditions, designing a stable 3-phase resonant circuit, implementing real-time signal monitoring, and improving efficiency, reliability, and safety for applications like electric vehicle charging, industrial automation, and renewable energy systems.

The problem addressed is that conventional wireless systems are often single-phase, prone to inefficiency, phase imbalance, and instability when load or distance changes. The proposed system aims to maintain resonance and phase synchronization dynamically to ensure reliable power transfer.

The methodology involves modeling the system with LC resonant circuits, simulating the design, building a hardware prototype, conducting dynamic signal analysis, acquiring and processing data, and optimizing performance based on tests and simulations.

The system design consists of:

• Transmitter: Converts AC to high-frequency resonant signals via LC circuits and power drivers.

• Wireless Coupling Medium: Ensures efficient energy transfer through aligned resonant coils.

• Receiver: Captures magnetic energy and converts it to usable DC/AC power.

• Dynamic Signal Analysis Unit: Monitors and adjusts resonance and phase in real-time to maintain efficiency.

The working principle relies on resonant inductive coupling and continuous signal monitoring. The three-phase system maintains a 120° phase difference for balanced power, while dynamic adjustments respond to load or alignment changes, ensuring stable, efficient, and low-loss wireless power transfer suitable for modern energy applications.

Conclusion

The project “Dynamic Signal System Analysis of Resonant 3-Phase Wireless Energy Transfer” successfully demonstrates the efficient transfer of electrical energy without physical connections using resonant coupling principles. By implementing dynamic signal analysis, the system can monitor and adjust voltage, current, and frequency in real-time, ensuring stable resonance and optimal power delivery across all three phases. The three-phase configuration provides balanced power distribution, reduces losses, and enhances system efficiency compared to single-phase wireless systems. The experimental analysis and simulations confirm that the system maintains stable operation under varying loads and misalignment conditions. This project highlights the potential of resonant 3-phase wireless energy transfer for practical applications such as electric vehicle charging, industrial automation, renewable energy distribution, and smart grid systems. The dynamic signal monitoring approach not only improves energy efficiency but also ensures system reliability and safety, making it a promising solution for the next generation of wireless power technologies.

References

[1] Rashid, M. H., Power Electronics: Circuits, Devices and Applications, 4th Edition, Pearson, 2018. [2] Krauss, H., Electromagnetic Theory and Applications, Springer, 2016. [3] Sedra, A. S., & Smith, K. C., Microelectronic Circuits, 7th Edition, Oxford University Press, 2019. [4] Boylestad, R., & Nashelsky, L., Electronic Devices and Circuit Theory, 11th Edition, Pearson, 2018. [5] Fitzgerald, A. E., Kingsley, C., & Umans, S. D., Electric Machinery, 7th Edition, McGraw-Hill, 2013. [6] Grainger, J. J., & Stevenson, W. D., Power System Analysis, 2nd Edition, McGraw-Hill, 2015. [7] Mohan, N., Undeland, T. M., & Robbins, W. P., Power Electronics: Converters, Applications, and Design, 3rd Edition, Wiley, 2019. [8] Dorf, R. C., & Svoboda, J. A., Introduction to Electric Circuits, 9th Edition, Wiley, 2018. [9] Li, S., Wireless Power Transfer: Principles and Engineering Explorations, CRC Press, 2020. [10] Kurs, A., Karalis, A., Moffatt, R., Joannopoulos, J. D., Fisher, P., &Soljacic, M., “Wireless Power Transfer via Strongly Coupled Magnetic Resonances,” Science, vol. 317, 2007, pp. 83–86. [11] Sample, A. P., Meyer, D. A., & Smith, J. R., “Analysis, Experimental Results, and Range Adaptation of Magnetically Coupled Resonators for Wireless Power Transfer,” IEEE Transactions on Industrial Electronics, vol. 58, no. 2, 2011, pp. 544–554. [12] Tesla, N., Experiments with Alternate Currents of High Potential and High Frequency, 1891. [13] Mi, C., & Zhang, W., “Wireless Power Transfer for Electric Vehicles and Mobile Devices,” John Wiley & Sons, 2017. [14] Zhang, H., Mi, C., & Li, Y., “Study of Resonant Inductive Coupling for Wireless Power Transfer Systems,” IEEE Transactions on Industrial Electronics, 2015. [15] Sample, A., & Smith, J., “Experimental Results with Two-Resonator Wireless Power Transfer System,” IEEE Transactions on Instrumentation and Measurement, 2009. [16] Hui, S. Y. R., Wireless Power Transfer: Principles and Design, Springer, 2014. [17] Kiani, M., &Ghovanloo, M., “Design and Optimization of Resonant Wireless Power Transmission Links,” IEEE Transactions on Biomedical Circuits and Systems, 2012. [18] Choi, J., & Rim, C. T., “Three-Phase Wireless Power Transfer System for Industrial Applications,” IEEE Transactions on Power Electronics, 2014. [19] Covic, G. A., & Boys, J. T., “Inductive Power Transfer,” Proceedings of the IEEE, vol. 101, no. 6, 2013, pp. 1276–1289. [20] Hui, S. Y. R., Zhong, W., & Lee, C. K., “A Critical Review of Wireless Power Transfer for Electric Vehicles,” IEEE Transactions on Power Electronics, 2013. [21] Kursawe, M., “Electromagnetic Resonance for Wireless Energy Transmission,” International Journal of Electrical Power & Energy Systems, 2016. [22] Zhang, Y., & Li, S., “Dynamic Signal Monitoring in Resonant Wireless Energy Transfer Systems,” Journal of Electrical Engineering Research, 2018. [23] Lu, X., & Mi, C., “Design and Analysis of Multi-Phase Wireless Power Systems,” IEEE Access, 2019. [24] Smith, J. R., “The Future of Wireless Power Transfer Technology,” IEEE Spectrum, 2015. [25] Zhang, W., Li, S., & Mi, C., “Analysis of Coupling Coefficient and Load Variation in Resonant WPT Systems,” Electric Power Systems Research, 2017. [26] Covic, G. A., Modern Trends in Wireless Power Transfer, Institution of Engineering and Technology, 2015. [27] Hui, S. Y. R., “Fundamentals of Resonant Inductive Coupling Wireless Power Transfer,” IEEE Transactions on Power Electronics, 2011. [28] Lee, C. K., & Hui, S. Y. R., “Three-Phase Resonant Wireless Power Transfer with Dynamic Load Adjustment,” IEEE Transactions on Industrial Electronics, 2016. [29] Tesla, N., The Transmission of Electrical Energy Without Wires, 1905. [30] Grimes, C., & Covic, G. A., Wireless Power Transfer for Industrial and Consumer Applications, Springer, 2018.

Copyright

Copyright © 2025 Lect. Aishwarya Ginnalwar, Miss. Tallavi Kolhe, Miss. Riya Dangre, Miss. Kashish Thakur, Miss. Manasvi Gaydhane. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.