The invention discloses a hybrid regenerative braking energy absorption system and a control method thereof, the system has three different branches, namely a branch I for feeding back to a 400V power distribution system, a branch II for feeding back to a secondary side 1180V loop of a rectifier transformer, and a branch III for storing regenerative braking energy by using an energy storage unit, regenerative braking energy is supplied to the low-voltage power and lighting system through the first branch. If the braking energy is larger than the rated capacity of the first branch, redundant energy passes through the second branch and then is fed back to the high-voltage alternating-current power grid through the rectifier transformer for high voltage of the traction substation, and if the regenerative braking energy is larger than the capacity of the whole feedback part, the traction network voltage continues to rise; and the redundant energy is stored through the energy storage unit. Any branch in the system can operate independently, the needed occupied area is small, and the system can be conveniently connected into an operated urban rail transit traction substation.

    本发明公开了一种混合型再生制动能量吸收系统及其控制方法,所述系统存在三种不同的支路,分别为回馈400V配电系统的支路一、回馈到整流变压器的次边1180V回路的支路二以及利用储能单元将再生制动能量存储起来的支路三,再生制动能量首先通过支路一供给低压动力与照明系统使用;如果制动能量大于支路一的额定容量,则将多余的能量通过支路二,然后通过整流变压器回馈到高压交流电网供牵引变电所高压,如果再生制动能量大于整个回馈部分的容量,导致牵引网压继续升高时,则将多余的能量通过储能单元存储起来。本系统中任意一个支路可以单独运行,所需的占地面积较小,方便接入已经运营的城市轨道交通牵引变电所。


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    Title :

    Hybrid regenerative braking energy absorption system and control method thereof


    Additional title:

    一种混合型再生制动能量吸收系统及其控制方法


    Contributors:
    YIN WEIHENG (author) / CHEN JIELIAN (author) / WANG XIONG (author) / WU XUEFENG (author) / ZHANG XIANG (author) / CAI YUFENG (author) / LONG ZHIYUAN (author) / GU TAO (author)

    Publication date :

    2023-05-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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