基于MAYR电弧模型的船舶直流配电系统熔断器仿真研究

大功率变频器和储能设备的接入,对船舶直流配电系统在各种工况下的安全运行提出了考验。由于针对船舶直流配电系统专门搭建实验环境模拟短路故障实验复杂且代价高昂,因此提出了一种基于MAYR电弧模型熔断器的仿真选型方案。在MATLAB/SIMULINK平台进行模拟短路故障仿真,能够较精确地复现短路故障熔断器状态。结合短路故障实际工况,搭建系统故障模型进行仿真。结果表明,基于MAYR模型的熔断器在短路故障发生时可以有效保护网络组件,能对熔断器和断路器的选型提供更可靠的参考依据。

Research on Fuse Simulation of Marine DC Distribution System Based on MAYR Arc Model

The access of high-power frequency converter and energy storage equipment puts forward a test for the safe operation of ship DC distribution system under various working conditions. Due to the complexity and high cost of setting up special experiment environment to simulate short-circuit fault in marine DC distribution system,a simulation selection scheme based on MAYR arc model fuse is proposed. The simulation of short-circuit fault on MATLAB/Simulink platform can accurately reproduce the state of short-circuit fault fuse. Combined with the actual condition of short-circuit fault,the system fault model is built for simulation. The results show that the fuse based on MAYR model can effectively protect the network components in case of short circuit fault,and provide more reliable reference for the selection of fuse and circuit breaker.