为改善带有储能系统的混合电力船舶推进系统能效，提出一种适用于混合电力推进船舶的控制策略，以锂电池组的荷电状态为状态参数，根据不同电力负荷下的负载变化趋势和柴油发电机组的最佳燃油消耗率曲线，实现多台组网工况下的最佳增减机控制及单台在网工况下的最佳负荷调整。仿真验证表明，通过控制在网发电机组台数及单台发电机组功率负荷，可以降低船舶混合电力推进系统的燃油消耗，改善柴油机工作效率。
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, and the optimal load adjustment under a single network condition. The simulation results show that by controlling the number of generators in the network and setting the power load of a single generator, the fuel consumption of the hybrid electric propulsion system can be reduced and the working efficiency of the diesel engine can be improved.
2020,42(8): 134-139 收稿日期：2019-08-28
DOI：10.3404/j.issn.1672-7649.2020.08.025
分类号：U662.9
基金项目：国家自然科学基金资助项目(51479017)
作者简介：张程(1994-),男,硕士研究生,研究方向为船舶电气工程
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