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Energy Management Strategy for Hybrid Energy Storage Systems in Electric Vehicle –A Review

Alok Ranjan and Sanjay B. Bodkhe
Department of Electrical Engineering, Shri Ramdeobaba College of Engineering and Management, Nagpur, India

Abstract—On board energy management system for electric vehicle (EV) defines the fuel economy and all electric range. Charging and discharging of energy storage devices take place during running as well as stand-still conditions. Battery-alone EV suffers from range anxiety, current drain during peak power demand and less battery life. It depends on the grid for charging and thus the increasing popularity of EV is increasing burden on the grid. Different energy storage devices are available which could be used on board to form a hybrid energy storage system. Batteries, Ultra-capacitors and fuel cells are some of them. Such a system will act as a stress reduction factor and increase the battery life. In this paper, a detail literature review of various energy storage devices that can be used in EV is presented. A comparative study of various topologies available for this purpose is also presented. Finally, a detailed review of energy management strategy (EMS) is presented with current trends and research gaps i.e., challenges. 
 
Index Terms—Battery technology, electric vehicle, fuel cell electric vehicle, hybrid energy storage system, ultracapacitor, topology, energy management strategy

Cite: Alok Ranjan and Sanjay B. Bodkhe, "Energy Management Strategy for Hybrid Energy Storage Systems in Electric Vehicle –A Review," International Journal of Electrical and Electronic Engineering & Telecommunications