The invention relates to an emergency traction system, which comprises more than one group of bidirectional chargers, a battery pack and a traction converter, the bidirectional charger comprises an ACDC (alternating current direct current) converter and a DCDC (direct current direct current) converter, the battery pack comprises a power battery, a storage battery, a power battery management system connected with the power battery and a storage battery management system connected with the storage battery; and the vehicle control unit is connected with the two-way charger. The technical problem of failure of the emergency traction function caused by power shortage of the power battery in the prior art is solved.

    本发明涉及一种应急牵引系统,包括一组以上双向充电机、电池组和牵引变流器;其中,双向充电机包括:ACDC变换器和DCDC变换器;电池组包括:动力电池、蓄电池、与动力电池连接的动力电池管理系统和与蓄电池连接的蓄电池管理系统;以及,车辆控制单元,车辆控制单元与双向充电机连接。本发明解决了现有技术中动力电池亏电导致应急牵引功能失效的技术问题。


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    Title :

    Emergency traction system and control method thereof


    Additional title:

    一种应急牵引系统及应急牵引系统的控制方法


    Contributors:
    HE XINYU (author) / LI HONGGUO (author) / SUN QINGWEN (author) / LI HAIYANG (author) / FENG XIANG (author) / HU HAINING (author)

    Publication date :

    2024-04-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B61C Lokomotiven , LOCOMOTIVES



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