基于船用直流电力系统的源储协同控制仿真

Simulation Research of Source-Storage Cooperative Controlfor Marine DC Power System

针对船用直流电力系统中机组并车和离网导致的功率分配和运行稳定性问题,提出一种源储协同控制策略,通过协同机组与储能系统应对不同工况,保证电力系统在不同工况下稳定运行。基于MATLAB/Simulink软件构建数学模型,并在RT-LAB仿真平台上运行该模型,通过在线调参功能对控制策略进行多工况仿真验证。仿真结果表明,在多机组投切和多种负载变化工况下,采用该源储协同控制策略能有效提升船用直流电力系统的功率分配有效性和运行稳定性,保证电力系统在各工况下稳定运行。

A source-storage cooperative control strategy is developed to address the power distribution and operation stability problem caused by equipment grid-tie/off-grid operation in marine DC power systems and to ensure the stable operation of the power system under various operating conditions.A mathematical model is built based on MATLAB/Simulink.The mathematical model runs in real time on the RT-LAB simulation platform.The control strategy is verified in multiple working conditions through online parameter adjustment function.The simulation results show that the proposed source-storage control strategy can effectively improve the power distribution efficiency and operation stability of the Marine DC power system,and ensure the stable operation of the power system under various working conditions.