Journal of Energy Management and Technology

Journal of Energy Management and Technology

A New Control Method for Hybrid Electric Vehicle Battery Cooling System

Document Type : Original Article

Authors
Amir Khaledian 1
Hossein Sobhani 2
Mohamad Ali Kazemi 3
1 Department of Electrical Engineering, National University of Skills (NUS)
2 Department of Electrical Engineering, National University of Skills (NUS), Tehran, Iran
3 Department of Mechanical Engineering, National University of Skills (NUS), Tehran, Iran
10.22109/jemt.2025.499228.1538
Abstract
Hybrid electric vehicles (HEVs) hold significant importance in the automotive industry owing to their superior fuel efficiency, lower operating costs, reduced emissions, and enhanced performance. This article proposes a novel battery cooling system for HEVs designed to minimize the electrical power required for battery thermal management. The proposed control strategy is based on the battery’s real-time temperature. First, the engine architecture of the HEV is outlined. Subsequently, mathematical models of key components—including the internal combustion engine, electric motor, battery, and driver—are developed, and their governing equations are derived. The HEV is then simulated in MATLAB to analyze the impact of vehicle speed on battery temperature and cooling system performance. A comparative study is conducted between the proposed and conventional cooling systems, evaluating battery temperature trends, cooling pump power consumption, and refrigerant power under speed variations based on the FTP-75 driving cycle. The results demonstrate that the proposed controller effectively maintains the battery temperature within the permissible range while reducing cooling power consumption by 30% and eliminating peak refrigerant power demands.
Keywords
Hybrid electric vehicle
Battery temperature
Cooling system
Power consumption

Subjects

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Journal of Energy Management and Technology
Volume 9, Issue 2
Spring 2025
Pages 121-128

  • Receive Date 11 January 2025
  • Revise Date 25 April 2025
  • Accept Date 01 May 2025