The invention provides a new energy motor train unit power supply system and a control method thereof. The new energy motor train unit power supply system is provided with a direct current bus, a fuel cell, a DC/DC converter, a power cell and an energy manager. The fuel cell is used for providing direct-current electric energy for the target bullet train; the DC/DC converter is used for converting a direct current voltage output by the fuel cell into a stable direct current voltage and transmitting the converted electric energy to the direct current bus, the DC/DC converter is connected with the fuel cell in series, and the DC/DC converter is connected into the direct current bus in parallel; the power battery is used for stabilizing the power supply power of the fuel battery and is connected in parallel into the direct-current bus; the energy manager is used for adjusting the working states of the fuel cell, the DC/DC converter and the power cell, the energy manager is connected with the power cell, and the energy manager is connected with the DC/DC converter, so that the power supply states of the fuel cell and the power cell are adjusted through the energy manager, and the service life of other working parts of the power supply system is prolonged; and the safety and the stability of the power supply system are improved.
本申请提供了一种新能源动车组供电系统及其控制方法,设有直流母线、燃料电池、DC/DC变流器、动力电池和能量管理器;燃料电池用于为目标动车提供直流电能;DC/DC变流器用于将燃料电池输出的直流电压转换为稳定的直流电压并转换后的电能传输至直流母线,DC/DC变流器与燃料电池串联连接,DC/DC变流器并联接入直流母线当中;动力电池用于稳定燃料电池的供电功率,动力电池并联接入直流母线当中;能量管理器用于调节燃料电池、DC/DC变流器和动力电池的工作状态,能量管理器与动力电池相连接,能量管理器与DC/DC变流器相连接,进而通过能量管理器对燃料电池和动力电池的供电状态进行调节,提高了对供电系统的其他工作部件的使用寿命,提高了供电系统的安全性和稳定性。
New energy motor train unit power supply system and control method thereof
新能源动车组供电系统及其控制方法
22.10.2024
Patent
Elektronische Ressource
Chinesisch
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