The invention provides an energy efficiency optimization method and device based on power coupling, and the method is applied to a hybrid power system, and the method comprises the steps: employing a preset energy consumption management optimization algorithm to process the first residual electric quantity of a lithium battery, and obtaining the optimized power and optimized bus voltage of a fuel cell under the first residual electric quantity, the optimized power is power supply power supplied by the fuel cell to the lithium battery; obtaining the first output power of the fuel cell according to the optimized power and the load power of the hybrid power system; performing power decoupling on the first output power by adopting a preset low-pass filter to obtain instruction power of the fuel cell; adjusting the output current of the hybrid power system according to the instruction power; and adjusting the working voltage of the hybrid power system according to the optimized bus voltage. According to different dynamic characteristics of a hybrid power system, the energy management efficiency of fuel cell hybrid power equipment combining a battery and a super capacitor is improved.

    本申请提供一种基于功率耦合的能效优化方法及装置,应用于混合动力系统中,方法包括:采用预设能耗管理优化算法处理锂电池的第一剩余电量,得到第一剩余电量下燃料电池的优化功率和优化母线电压,优化功率为燃料电池供给锂电池的供电功率;根据优化功率和混合动力系统的负载功率,得到燃料电池的第一输出功率;采用预设低通滤波器对第一输出功率进行功率解耦,得到燃料电池的指令功率;根据指令功率,调整混合动力系统的输出电流;根据优化母线电压,调整混合动力系统的工作电压。以根据混合动力系统的不同动态特性,提高电池和超电容器相结合的燃料电池混合动力设备的能源管理效率。


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    Title :

    Energy efficiency optimization method and device of hybrid power system based on power coupling


    Additional title:

    基于功率耦合的混合动力系统的能效优化方法及装置


    Contributors:
    LI ZONGTAO (author) / YAO HAIXIANG (author) / DONG JIAYI (author)

    Publication date :

    2024-12-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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