Electrical System Modeling Based on Lead Acid Battery Aging

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Electrical System Modeling Based on Lead Acid Battery Aging

Shin, Chee Burm / Lee, Dae Hun / Chung, Seung Myun / Kim, Sung Tae / Kim, Ui Seong / Shin, Wanjae

Recently electric and electronic devices in vehicle have been rapidly increasing. Because the dynamic characteristics of these systems are too much complicated, it is getting very difficult to predict the change of electrical energy accurately. Especially, since the lead-acid battery has a fast aging process, managing the electrical energy in vehicle becomes more difficult.This paper shows the electrical energy simulator, which consists of a battery, an alternator and various electrical devices. In particular, proposed aging battery model was implemented using a finite element method (FEM) based on electrochemical approach. And the thermal characteristic of alternator is also focused on getting reliable performance. Finally, we validated the electrical energy simulator including this battery model on the actual conditions in vehicle.

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Document information

Title :

Electrical System Modeling Based on Lead Acid Battery Aging

Additional title:

Sae Technical Papers

Contributors:

Shin, Chee Burm (author) / Lee, Dae Hun (author) / Chung, Seung Myun (author) / Kim, Sung Tae (author) / Kim, Ui Seong (author) / Shin, Wanjae (author)

Conference:

SAE World Congress & Exhibition ; 2009

Published in:

Sae Technical Paper Series

Publication date :

2009-04-20

ISSN :

2688-3627 , 0148-7191

DOI :

https://doi.org/10.4271/2009-01-1038

Type of media :

Conference paper