3Stuart T A, Zhu W. Modularized battery management for large lithium ion cells [ J ]. Journal of Power Sources, 2011,196 ( 1 ) :458 -464.
4Kim J H, Shin J W, Chun C Y, et al. Stable configuration of a Li-ion series battery pack based on a screening process for improved vohage/SOC balancing [ J ]. IEEE Transactions on Power Electronics ,2012,27 ( 1 ) :411 - 424.
5Bradgard M, Soltau N, Thomas S, et al. The balance of renew- able sources and user demands in grids: power electronics for modular battery energy storage system[ J ]. IEEE Transac- tions on Power Electronics,2010,25 (12) :3049 - 3056.
6Cao J, Emadi A. A new battery/ultracapacitor hybrid energy storage system for electric, hybrid, and plug-in hybrid electric vehicles[ J ]. IEEE Transactions on Power Electronics,2012, 27( 1 ) : 122 - 132.
8Kimball J W, Kuhn B T, Krein P T. Increased performance of battery packs by active equalization [ C ]//Proceedings of the 3^rd IEEE Vehicle Power and Propulsion Conference. 2007:323 - 327.
9Nishijima K, Sakamoto H, Harada K. A PWM controlled simple and high performance battery balancing system [ C ]//Proceedings of the 31^st IEEE Annual Power Elec- tronics Specialists Conference. 2000:517-520.
