- Volume 29 Issue 9
DOI QR Code
An Efficient Battery Charging Algorithm based on State-of-Charge Estimation using 3-Phase AC-DC Boost Converter
3상 AC-DC 승압형 컨버터를 이용한 SOC 추정 기반의 효율적 배터리 충전 알고리즘
Lee, Jung-Hyo;Won, Chung-Yuen
- Received : 2015.08.12
- Accepted : 2015.09.14
- Published : 2015.09.30
This paper presents battery charging method using 3-phase AC-DC boost converter. General battery charging method is that charging the battery voltage to the reference voltage according to the constant current(CC) control, when it reaches the reference voltage, charging the battery fully according to the constant voltage(CV) control. However, battery chaging time is increased because of the battery impedance, constant current charging section which shoud take the large amount of charge is narrow, and constant voltage charging section which can generate insufficient charge is widen. To improve this problem, we proposes the method to reduce the charging time according to the SOC(State of Charge) estimation using battery impedance.
Battery Charging Method;3 Phase AC-DC Boost Converter;Constant Current;Constant Voltage;SOC Estimation
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