An equalization charging system, which consists of double power supplies, is developed to keep the energy uniformity of each cell of the serially connected ultracapacitor using in the electric bus.

• 摘要动力型超级电容器组作为电动城市公交客车能量源时，必须保证电容单体在充、放电过程中的能量均衡，为此提出了双电源的均衡充电系统结构。