The invention discloses a traction power supply braking energy recovery ground energy storage method. The method comprises the following steps that firstly, a ground system is built; step 2, power grid connection; step 3, analyzing a braking process; 4, charging and recycling; step 5, voltage stabilization regulation and control; step 6, storing and calling; according to the invention, the ordered battery packs in the energy storage unit are used for storing energy, and the charging and discharging operations are alternately carried out in a circulating discharging mode, so that the charging and discharging damage of the energy storage unit is reduced, and the service life of the energy storage battery is prolonged; the running state of the train is detected through the detection unit, a return line is connected when the train is in a stable braking state, the energy conversion process between a traction network and a train pantograph is adjusted, the conversion stability of charging and discharging is ensured, and the power supply stability of an internal circuit of the train is guaranteed; the difference value of the input voltage is compensated by adjusting the resistance value in the compensation circuit, and the charging voltage is prevented from deviating from the preset value, so that the practicability of the energy storage method is improved.
本发明公开了一种牵引供电制动能量回收地面储能方法,包括以下步骤:步骤一,地面系统搭建;步骤二,电网连接;步骤三,制动过程分析;步骤四,充能回收;步骤五,稳压调控;步骤六,存储调用;本发明,利用储能单元中的有序电池包来存储能源,并通过循环放电的方式来交替进行充放操作,降低了储能单元的充放损坏,延长了储能电池的使用寿命;通过检测单元来检测列车的运行状态,在列车为稳定制动状态时连通回流线,调整牵引网与列车受电弓之间的能量转化过程,确保了充放电的转化平稳度,保障了列车内部电路的供电稳定性;通过调节补偿电路中的电阻值,来补偿输入电压的差值,避免充电电压与预设值发生偏差,从而提高了储能方法的实用性。
Traction power supply braking energy recovery ground energy storage method
一种牵引供电制动能量回收地面储能方法
2023-09-01
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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