| 高以康,张新塘,徐 达.内河船舶LNG发动机-蓄电池混合动力系统性能仿真[J].内燃机工程,2020,41(1):42-48. |
| Performance Simulation of LNG Engine-Battery Hybrid Power System for Inland Ship |
| DOI：10.13949/j.cnki.nrjgc.2020.01.006 |
| Key Words:liquefied natural gas engine hybrid power speed regulation performance sconomic and emission |
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| Abstract:In order to improve the speed regulation performance of marine natural gas engine power system and improve the maneuverability and safety of inland liquefied natural gas fuel powered ships, it is proposed to construct natural gas engine-battery hybrid power system. The MATLAB/simulink simulation model was established for the liquefied nat-ural gas engine power system and hybrid system, and the ship starting and changing load process was realized. Then the simulation results of the two simulation systems are analyzed. The variation range of ship speed in the process of changing load with the hybrid power system becomes larger., and the stabilization time of the system is shortened. The maximum reduction of natural gas consumption was 19.6%, and the maximum reductions of NOX, CO, and HC emissions were 22.1%, 18.5%, and 23.6%. |
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