Development of thermal model for estimation of core temperature of batteries
-
Sumukh Surya
,
Amit Bhesaniya
Abstract
Core temperature (Tc) estimation plays an important in role in establishing an effective thermal management system of a battery. In the present work, Tc of a lead acid (Pb) battery was estimated using a Kalman filter, based on a thermal model of the battery using convection resistances and capacitances. The governing equations based on measured surface temperature (Ts) and ambient temperature (Tamb) were derived. Since Tc cannot be measured directly, estimation technique was used to predict the same using measured Ts and Tamb. Five test cases for which the profiles of Tc versus time were available were analyzed. It was found that the errors in the predictions varied from 0.25 °C to 3.5 °C., depending on the nature of Tc profiles, with minimum errors when Tc has slow variations with time.
Acknowledgment
The authors would like to express sincere thanks to Mr. Debango Chakraborthy, Designer, KPIT, Bangalore for guidance and assistance.
Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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Articles in the same Issue
- Research Articles
- Analysis of arc existence in electrical contact gap for 42 V automotive DC components
- Research on influence of split conductor induced voltage on TRV
- Ultra mega power plant disturbance related oscillation detection in Indian grid using PMU data
- Implementation of medium voltage remote controlled switches to improve quality performance indexes – a case study
- A simplified method for fault detection and identification of mismatch modules and strings in a grid-tied solar photovoltaic system
- A model for calculating losses in transformer related to orders and harmonic amplitude under analysis of joule effect, eddy current and hysteresis
- A new principle of UHVDC line pilot protection based on trigger angle control characteristics
- A phasor-distance based faulty phase detection and fault classification technique for parallel transmission lines
- Study on the insulation characteristics of environmentally friendly CF3I/N2/CO2 mixed gas
- Development of thermal model for estimation of core temperature of batteries
- Analysis of power quality in a grid system connected with a three phase induction motor
- Research on the influencing factors of losses in 10 kV, 1000 kW induction motor
