舰船电力推进系统的分析与仿真研究
Analysis and simulation research of ship electric propulsion system
师光飞 1龚成林 1操定友1
作者信息
- 1. 武汉交通职业学院船舶与航运学院,湖北 武汉 430065
- 折叠
摘要
以最大程度保障舰船稳定运行为目标,展开舰船电力推进系统的分析与仿真研究,依据舰船电力推进系统结构组成,构建多种组成部分的数学模型,基于Matlab-Simulink仿真分析软件进行舰船电力推进系统模拟和计算,分析其在不同工况下的性能表现.仿真分析结果显示,直接正车启动表现出较快的响应速度,但螺旋桨转矩过载严重.相比之下,分级正车启动虽然启动过程相对较长,但螺旋桨转矩和舰船速度的变化更为平稳.突加负载工况下,本文方法表现出较好的性能,能够快速适应负载变化,调节时间短,且电机电流波动小,有利于保障电力推进系统的稳定运行.航速变化工况下,波动幅度和稳态误差均较小,具有较高的稳定性和控制精度.
Abstract
With the goal of ensuring the stable operation of ships to the greatest extent possible,the analysis and simu-lation research of ship electric propulsion system is carried out.Based on the structural composition of ship electric propul-sion system,mathematical models of various components are constructed.Matlab Simulink simulation analysis software is used to simulate and calculate the ship electric propulsion system,and its performance under different working conditions is analyzed.The simulation analysis results show that direct starting of the vehicle exhibits a fast response speed,but the pro-peller torque overload is severe.In contrast,although the starting process of the graded main engine is relatively long,the changes in propeller torque and ship speed are more stable.Under sudden load conditions,the method proposed in this paper exhibits good performance,can quickly adapt to load changes,has a short adjustment time,and has small motor current fluc-tuations,which is conducive to ensuring the stable operation of the electric propulsion system.Under the condition of chan-ging speed,the fluctuation amplitude and steady-state error are small,and it has high stability and control accuracy.
关键词
电力推进系统/螺旋桨/逆变器/推进电机Key words
electric propulsion system/propeller/inverter/propulsion motor引用本文复制引用
出版年
2024
NETL
NSTL
万方数据