6Kutkut N H, Divan D M. Dynamic equalization tech- niques for series battery stacks [ C ]//Telecommunications Energy Conference. [ S. l. ] :[ s. n. ] ,1996:514-521.
7Kutkut N H, Wiegman H L N. Design considerations for charge equalization of an electric vehicle battery system, Industry Applications [ J ]. IEEE, 1999,35 ( 1 ) :28 - 35.