Transcription of A NEW STATE-OF-CHARGE ESTIMATION METHOD FOR …
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Journal of Engineering Science and Technology Vol. 12, No. 3 (2017) 584 - 595 School of Engineering, Taylor s University 584 A NEW STATE-OF-CHARGE ESTIMATION METHOD FOR VALVE regulated LEAD ACID BATTERIES YEE WAN WONG, LEE WAI CHONG*, RAJPARTHIBAN KUMAR RAJKUMAR, WAH YEW LENG, RAJPRASAD KUMAR RAJKUMAR Faculty of Engineering, The University of Nottingham Malaysia Campus, Jalan Broga, 43500 Semenyih Selangor Malaysia *Corresponding author Email address: Abstract In this paper, a new improved coulomb counting METHOD is proposed to estimate the STATE-OF-CHARGE (SOC) of a 12V valve regulated lead acid (VRLA) battery. The conventional coulomb counting METHOD estimates the SOC with a high error rate for high discharge current.
New State-of-Charge Estimation Method for Valve Regulated Lead . . . . 587 Journal of Engineering Science and Technology March 2017, Vol. 12(3) Therefore, assuming the end of discharge voltage is 1.75V/cell (10.5V for
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