The invention provides a fuel cell hybrid power system based on Simulink and a modeling method.In the system, an energy management strategy module obtains ship demand power and distributes the ship demand power into fuel cell demand power and lithium battery demand power; the fuel cell module obtains fuel cell demand power and calculates fuel cell output power; the lithium battery charging and discharging module obtains lithium battery required power and calculates lithium battery output power; the input end of the one-way DC/DC boost converter module is connected with the fuel cell module, and the output end is connected with the direct-current bus, and is used for boosting the fuel cell side voltage to the direct-current bus required voltage according to the output power of the fuel cell; the input end of the bidirectional DC/DC converter module is connected with the lithium battery charging and discharging module, and the output end is connected with the direct-current bus and used for boosting the voltage of the lithium battery to the voltage required by the direct-current bus according to the output power of the lithium battery; the hydrogen consumption module is used for calculating hydrogen consumption of the fuel cell according to the fuel cell output power.
本发明提供一种基于Simulink的燃料电池混合动力系统及建模方法,本发明系统中:能量管理策略模块获取船舶需求功率,并将船舶需求功率分配成燃料电池需求功率和锂电池需求功率;燃料电池模块获取燃料电池需求功率,并计算燃料电池输出功率;锂电池充放电模块获取锂电池需求功率,并计算锂电池输出功率;单向DC/DC升压变换器模块的输入端连接燃料电池模块,输出端连接直流母线,用于根据燃料电池输出功率将燃料电池侧电压升至直流母线需求电压;双向DC/DC变换器模块的输入端连接锂电池充放电模块,输出端连接直流母线,用于根据锂电池输出功率将锂电池电压升至直流母线需求电压;氢气消耗模块用于根据燃料电池输出功率计算燃料电池的氢气消耗量。
Simulink-based fuel cell hybrid power system and modeling method
一种基于Simulink的燃料电池混合动力系统及建模方法
2024-04-09
Patent
Elektronische Ressource
Chinesisch
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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