Study of Battery Charging Straegies and Testing Platform

• Main Authors: Feng-Zhi Li, 李峰志
• Other Authors: Yu-Ling Juan
• Format: Others
• Language: zh-TW
• Published: 2012
• Online Access: http://ndltd.ncl.edu.tw/handle/30527632215814006624

碩士 === 國立彰化師範大學 === 電機工程學系 === 100 === Recent years, secondary batteries have attracted a lot of attention due to fossil fuel crisis and environment protection issues. Various charging strategies have been proposed to improve the charging efficiency, lifetime and etc. In the long cycle charging/discharging testing, periodically data recording of battery voltage, battery current and battery temperature are required for further performance evaluation. In this thesis, a battery charging/discharging platform is studied and constructed to automatically measure and record the corresponding data. The battery voltage, current and temperature are measured by a power meter and a temperature meter which are controlled by the computer software, VEE. Furthermore, the charging and discharging of the battery with a power supply and a electronic load are controlled by the software LabVIEW according to the battery data saved by VEE. Moreover, the constant current/constant voltage and multi-steps constant current charging strategies are also studied and carried out with the proposed platform. Finally, from the experimental results on 12 V/12 Ah lead-acid battery and 3.65 V/10 Ah LiFePo4 battery, it is seen that the validity of the proposed platform is verified.