The invention discloses a city train main circuit based on unmanned hydrogen energy, which comprises a power utilization unit, a power supply unit and three buses, and is characterized in that the power supply unit is connected with the three buses and is used for outputting different voltages to the three buses, and the three buses comprise a 1500V bus, a 750V bus and a 110V bus; the power supply unit comprises a hydrogen fuel cell, a bidirectional DC/DC and an energy storage module. The hydrogen fuel cell is connected with the bidirectional DC/DC. Based on a main circuit of the unmanned hydrogen energy city train, output of various voltage systems can be achieved to supply power to different buses, the whole power supply process only passes through the one-stage energy conversion process, the energy conversion efficiency is at least 95%, the energy conversion efficiency of an air conditioning system is improved, the reactive power of the air conditioning system is reduced to the maximum extent, and the energy utilization rate of the air conditioning system is increased. Meanwhile, due to the fact that the DCDC is bidirectional, when the hydrogen system breaks down, DC1500V of the energy storage module can be converted into output of different voltage systems through the bidirectional DCDC to supply power to the three buses.
本发明公开了一种基于无人驾驶氢能源市域列车主电路,包括用电单元和供电单元和三条母线,其中,所述供电单元连接三条母线,用于向三条母线输出不同的电压,三条母线包括1500V母线、750V母线和110V母线;所述供电单元包括氢燃料电池、双向DC/DC和储能模块,氢燃料电池与双向DC/DC相连接。基于无人驾驶氢能源市域列车主电路,可以实现多种电压制式的输出来给不同的母线供电,整个供电过程只经过1级能量转换过程,能量转换的效率至少为95%,提高了空调系统的能量转换效率,最大程度减少空调系统的无功功率,降低空调系统能耗,同时由于DCDC是双向的,当氢系统故障以后,可以通过双向DCDC将储能模块的DC1500V转换为不同的电压制式的输出给三条母线供电。
Main circuit based on unmanned hydrogen energy city train
一种基于无人驾驶氢能源市域列车主电路
2024-01-09
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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