The invention discloses a charger current sharing method and device, a railway vehicle and a medium thereof, relates to the technical field of motor train unit power supply, aims to solve the problem of non-uniform output current of a charger, and provides the charger current sharing method for solving the problem of non-uniform output current of multiple chargers connected in parallel in a motor train unit at present. According to the method, the output current of each charger is collected, the compensation voltage of each charger is determined according to the compensation coefficient, and then the corresponding compensation voltage is subtracted on the basis of the original target output voltage of the charger to serve as a new target output voltage to control the charger to output the charging voltage. According to the method, the compensation voltage value corresponding to the charger with large output current is larger, the compensation value subtracted from the target output voltage is larger, the compensation voltage value corresponding to the charger with small output current is smaller, and the compensation value subtracted from the target output voltage is smaller, so that the problem that the output current of the charger is not uniform is solved; and the service life balance of the charger is further ensured.
本申请公开了一种充电机均流方法、装置、轨道车辆及其介质,涉及动车组供电技术领域,用于改善充电机输出电流不均流的问题,针对目前动车组并联的多台充电机输出不均流的问题,提供了一种充电机均流方法,通过采集各充电机的输出电流,进而根据补偿系数确定每一充电机的补偿电压,之后在充电机原有的目标输出电压的基础上,减去对应的补偿电压,作为新的目标输出电压控制充电机输出充电电压。在上述方法中,输出电流较大的充电机对应的补偿电压值更大,目标输出电压减去的补偿值更多,输出电流较小的充电机对应的补偿电压值更小,目标输出电压减去的补偿值更小,从而实现改善充电机输出电流不均流的问题,进一步保证充电机的使用寿命均衡。
Charger current sharing method and device, rail vehicle and medium thereof
一种充电机均流方法、装置、轨道车辆及其介质
23.06.2023
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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