The invention discloses a charging control circuit and method for a power lithium battery of a hybrid power storage battery locomotive, and the circuit comprises a traction transformer, a primary side of the traction transformer receives a pantograph, and a secondary side of the traction transformer is provided with a first charging module and a second charging module. The first charging module and the second charging module are both connected with a direct-current support capacitor, the direct-current support capacitor is connected with a power storage battery and an in-garage direct-current power supply, the direct-current support capacitor is connected with two paths of auxiliary inverters, each auxiliary inverter is connected with an auxiliary transformer, and the two auxiliary transformers are both connected with an in-garage alternating-current power supply. According to the method, power distribution can be carried out on the power battery chargers by calculating the power difference value in real time, and charging strategy optimization is achieved.
本发明公开了一种混合动力蓄电池机车动力锂电池充电控制电路及控制方法,包括牵引变压器,所述牵引变压器一次侧接受电弓,所述牵引变压器二次侧第一充电模块和第二充电模块,所述第一充电模块、第二充电模块均接直流支撑电容器,所述直流支撑电容器接动力蓄电池、库内直流电源,所述直流支撑电容器接两路辅助逆变器,每个所述辅助逆变器接一个辅助变压器,两个所述辅助变压器均接库内交流电源。本发明可通过实时计算功率差值对动力电池充电机进行功率分配,实现充电策略最优化。
Charging control circuit and control method for power lithium battery of hybrid power storage battery locomotive
混合动力蓄电池机车动力锂电池充电控制电路及控制方法
2024-03-19
Patent
Electronic Resource
Chinese
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