Efficient and Reliable Fast Charging Station for Electric Vehicles: Integrating PV System and Optimized Control

Abstract

In this study, an innovative electric vehicle (EV) charging station that integrates multiple energy sources for efficient EV charging is introduced. It combines photovoltaic (PV) panels, a battery storage system, and grid connectivity to ensure reliable and sustainable charging. The PV panels act as the primary source of clean and renewable energy, prioritizing PV energy for EV charging to reduce grid reliance and promote eco-friendly charging. A modified bidirectional Zeta-KY converter is utilized to maintain a constant output voltage, with a chaotic dragonfly optimized PI controller for precise regulation. During periods of insufficient PV power, the bidirectional converter steps down grid power for EV charging. The flow of grid power to the EV station’s battery is managed by a dynamic power source management algorithm for uninterrupted power availability. The efficacy of the design is demonstrated through comprehensive simulation and experimental outcomes. The suggested converter outperforms other counterparts, achieving peak efficiencies of 97% in boost mode and 96.8% in buck mode. A comparative analysis of controllers reveals that the Chaotic Dragonfly optimized PI controller excels with a low settling time of 0.10 sec, zero overshoot, rapid rise time, and a low steady-state error of 0.1%.

Keywords:

• chaotic dragonfly optimized PI controller
• modified bidirectional Zeta-KY converter
• PV system
• 1ϕ VSI
• EV charging
• dynamic power source management algorithm

Disclosure Statement

No potential conflict of interest was reported by the authors.

Additional information

Notes on contributors

Chintala Venkatesh

Chintala Venkatesh graduated from Anna University with bachelor degree in Electrical and Electronics Engineering in 2010. He pursued his master’s program in Power Electronics at Jawaharlal Nehru Technological University, Anantapur, graduating in 2013. Currently, he is pursuing his Ph.D. at Anna University, Chennai. Additionally, he serves as an Assistant Professor in the Department of Electrical and Electronics Engineering at Mohamed Sathak A J College of Engineering, Chennai, focusing on the analysis of converters, solid-state drives, and optimization techniques in Power Electronics.

Sukhi Yesuraj

Sukhi Yesuraj graduated from Government College of Engineering, in the Department of Electrical and Electronics Engineering Tirunelveli in 1993. She did her master program in Mechatronics from Madras Institute of Technology, Anna University in 2000 and Ph.D from Sathyabama University, Chennai in 2010. From 1993-1994, she worked as Assistant Engineer in Raja Rao Electrical Consultant. From 1995 – 1997, She worked as a lecturer in Bharath Engineering College. Since 1997, she has been working with R.M.K. Engineering College, where currently she is professor in the Department of Electrical and Electronics Engineering. Her area of interest is Analysis of Converters, solid state drives and optimization techniques in Power Electronics.