摘要
根据动车组的长时间和低温恶略环境的应用特点，采用充电机蓄电池配套使用，能够满足为车辆提供持续的低压供电，时车辆能正常的牵引制动，并保证车辆的舒适性。
Abstract
according to the emu’s characteristics and the applicationof low temperature environment for a long time, the charger battery,to meet the continuously low voltage power supply for the vehicle,the vehicle can normal braking traction, and ensure the comfort of thevehicle.
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