The invention discloses a series-parallel hybrid power ship power system, which comprises two groups of main propulsion diesel engines and two groups of shaft-driven motors which are respectively connected with propellers through gear boxes, and further comprises a shaft-driven frequency converter connected with the shaft-driven motors, a DC-BUS connected with the shaft-driven frequency converter, and a DC/DC converter, a controllable rectifier and a daily inverter power supply which are connected with the DC-BUS, the controllable rectifier and the DC/DC converter are respectively connected with a diesel generating set and a power battery pack; the invention further discloses a mode switching control method. According to different operation working conditions of the ship, the corresponding working modes of the hybrid power system are started, and related propulsion equipment and a power supply device are applied, so that the requirements of ship functions and navigational speed are met, the operation economy of ship power equipment is improved, and the life cycle of the ship power equipment is prolonged.

    本发明公开了一种串并联混合动力船舶动力系统,包括分别通过齿轮箱连接螺旋桨的两组主推进柴油机及两组轴带电机,还包括与轴带电机连接的轴发变频器和连接轴发变频器的DC‑BUS,以及连接DC‑BUS的DC/DC变换器、可控整流器和日用逆变电源,所述的可控整流器和DC/DC变换器上分别连接有柴油发电机组和动力电池组;还公开了其模式切换控制方法;针对船舶的不同运营工况,启用混合动力系统相应的工作模式下,应用相关的推进设备及电源装置,以便适应船舶功能及航速需求,以及提升船舶动力设备的运行经济性及生命周期。


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    Title :

    Series-parallel hybrid power ship power system and control method thereof


    Additional title:

    一种串并联混合动力船舶动力系统及其控制方法


    Contributors:
    SHEN XIAODI (author) / HU GUOZHAO (author) / CHEN ZHUO (author) / YIN WENLONG (author) / LI YAO (author)

    Publication date :

    2025-05-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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