Automatic charge equalization method and apparatus for series connected battery string

The present invention relates to an automatic charge equalization apparatus and method having an automatic PWM generating means for a series-connected battery string. The automatic charge equalization method and apparatus for a series-connected battery string according to the present invention can i...

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Bibliographic Details
Main Authors Lee, Joong Hui, Jang, Soo Yeup, Oh, Jeon Keun, Moon, Gun Woo, Kim, Chong Eun, Park, Hong Sun, Kim, Chol Ho
Format Patent
LanguageEnglish
Published 13.11.2012
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Summary:The present invention relates to an automatic charge equalization apparatus and method having an automatic PWM generating means for a series-connected battery string. The automatic charge equalization method and apparatus for a series-connected battery string according to the present invention can improve charge equalization by accomplishing charge equalization operation after comparing the potential of the corresponding battery cell with the average potential of the plurality of battery cells including the corresponding battery cell upon charging or discharging the corresponding battery cell.