The invention discloses a direct-current networking ship electric propulsion system, which comprises a direct-current bus for connecting devices in the system to perform energy transmission; an energystorage device which is connected with the direct-current bus and used for storing or providing required electric energy for the system; a power device which is positioned between the direct-currentbus and the propeller and is used for controlling the starting and stopping states of various internal power sources by utilizing electric energy obtained from the direct-current bus and/or the current fuel capacity of the system according to different ship working conditions and combining a power distribution principle; a corresponding coupling or decoupling relation is formed between each type of power sources and the propeller, and mechanical energy corresponding to the system propelling power conforming to the current ship working condition and provided by different power source combinations is output to a propeller; and the propeller which is connected with the power device and is used for operating under the control of mechanical energy. The electric propulsion system has high reliability, completely meets the requirement of a ship for the electric propulsion system, reduces oil consumption and improves the operation efficiency of the ship.
本发明公开了一种直流组网船舶电力推进系统,包括:直流母线,其用于连接系统内的各装置,以进行能量传输;储能装置,其与直流母线连接,用于存储或向系统提供所需电能;动力装置,其位于直流母线和推进器之间,用于根据不同船舶工况,利用从直流母线上获取到的电能和/或系统当前燃油能力,并结合动力分流原理,通过控制内部各类动力源的启停状态,使得每类动力源分别与推进器之间形成相应的耦合或解耦关系,并向推进器输出由不同动力源组合提供的与当前船舶工况相符的系统推进功率对应的机械能;推进器,其与动力装置连接,用于在机械能控制下运转。本发明具有高可靠性,完全满足船舶对电力推进系统的要求,降低油耗,提高船舶运行的效率。
Direct-current networking ship electric propulsion system and method
一种直流组网船舶电力推进系统和方法
2021-02-09
Patent
Elektronische Ressource
Chinesisch
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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