Study of analysis of efficiency of traction battery cooling system of electric vehicle in real cycle
EDN: JNJQLO
Abstract
Introduction (problem statement and relevance). A traction battery (TB) is one of the most important components of an electric vehicle determining its cruising range, performance and service life. However, the TB generates significant amount of heat during operation, which affects its performance and service life. Therefore, the TB cooling system plays an important role in keeping the battery temperature within a safe range providing stable operation and extending its service life.
The purpose of the study is modeling the cooling system in Simulink in order to analyse the factors influencing the performance of the VinFast VF 8 electric vehicle TB.
Methodology and research methods. Analysis of TB operation conditions for optimization of its performance and service life. Evaluation of TB cooling system efficiency under different operation conditions. Testing of the system model for evaluation of efficiency under different operation conditions. Experimental data analysis for evaluation of efficiency of the TB cooling system and proposing solutions for its improvement.
Scientific novelty and results. Within the study, the authors developed and modeled the electric vehicle TB cooling system with application of the Worldwide Harmonised Light Vehicles Test Procedure (WLTP) driving cycle in Matlab Simulink. The accuracy of the model was evaluated and checked by comparing the modeling results with the experimental data, which contributes to the reliability of the model. The influence of the coolant flow rate and air flow rate through the radiator on the TB liquid cooling process was analyzed.
Practical significance. Modeling of the TB cooling system in Matlab Simulink is an effective method of system performance evaluation before its practical implementation. The created model will help engineers and researchers analyze the factors influencing the TB temperature, test different cooling strategies and optimize the system design.
About the Authors
Nguen Chong Dyk
Moscow Automobile and Road State Technical University (MADI);
Hanoi University of Industry (HAUI)
Russian Federation
Russian Federation
Nguen Chong Dyk – master’s student
Moscow 125319;
Hanoi 100000, Socialist Republic of Vietnam
Vu Khay Kuan
Hanoi University of Industry (HAUI)
Viet Nam
Viet Nam
Vu Khay Kuan – PhD (Eng)
Hanoi 100000, Socialist Republic of Vietnam
Nguen Khak Min’
Thai Nguyen University of Technology
Viet Nam
Viet Nam
Nguen Khak Min’ – PhD (Eng)
Thai Nguyen 666, Socialist Republic of Vietnam
K. E. Karpukhin
Federal State Unitary Enterprise “Central Scientific Research Automobile and Automotive Engines Institute” (FSUE “NAMI”)
Russian Federation
Russian Federation
Karpukhin K.E. – PhD (Eng), associate professor, project director
Moscow 125438
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Review
For citations:
Dyk N.Ch., Kuan V.Kh., Min’ N.Kh., Karpukhin K.E. Study of analysis of efficiency of traction battery cooling system of electric vehicle in real cycle. Trudy NAMI. 2025;(1):31-41. (In Russ.) EDN: JNJQLO
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