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地铁车辆制动时产生的废热影响车辆运行品质与乘车环境。设计了具有储能、释能、能量保持3种工作模式的飞轮储能装置，将制动能量加以回收与利用。通过对储能装置的结构特点及车辆限界进行分析，确定以“高转速、小尺寸、大功率”的原则，设计了适合于地铁车辆的飞轮储能装置方案，对飞轮储能装置3种工作模式的程序控制进行了设计。建立了仿真模型，对系统的储能与释能这2种工作模式进行了仿真与分析。“,”Flywheels with energy storage, energy release and three modes of operation of the energy are designed. The structural characteristics of the energy storage device and vehicle clearance are analyzed to determine the principle of high-rotation speed, small size and high power. The flywheel energy storage program is designed for metro vehicles, and program control on the three kinds of work modes for flywheel energy storage is designed. Simulation model is established and two kinds of operating modes of energy storage and release are simulated and analyzed.