Chapter 2 explain the concept of auxiliary power, elaborate APEV in the basic structure, whole vehicle control system constitute and principle and APU aspects.

• 第二章在阐述辅助动力概念的基础上,从辅助动力电动汽车基本结构、整车控制系统的组成和原理以及辅助动力单元三个方面对辅助动力电动汽车做了详细介绍;