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Research on Energy Efficiency Optimization Strategy of Electric Propulsion Ships with Energy Storage Devices

机译：带储能装置的电力推进船能效优化策略研究

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摘要

In order to improve the energy efficiency of the diesel-electric hybrid propulsion system, a control strategy suitable for hybrid electric propulsion ships is proposed. The state of charge of the lithium battery pack is taken as the state parameter, according to the load change trend under different electric loads and the best diesel generator fuel consumption rate curve to achieve the optimal increase and decrease machine control under multiple networking conditions as well as the optimal load adjustment under a single network condition. The simulation verification shows that by controlling the number of generators in the network and the power load of a single generator set, the fuel consumption of the hybrid electric propulsion system can be reduced and the working efficiency of the diesel engine can be improved. The research can provide inspiration for online real-time optimization of hybrid electric ships.
机译：为了提高柴电混合动力系统的能效，提出了一种适用于混合动力推进船舶的控制策略。锂电池组的充电状态作为状态参数，根据不同电力负荷下的负荷变化趋势和最佳柴油发电机的燃油消耗率曲线，在多种联网条件下也能实现最佳的增减电机控制作为单个网络条件下的最佳负载调整。仿真验证表明，通过控制网络中的发电机数量和单个发电机组的电力负荷，可以减少混合动力推进系统的燃料消耗，并可以提高柴油机的工作效率。该研究可以为混合动力舰船的在线实时优化提供启发。

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