中文摘要：

基于环形舰船中压直流电力系统,增加了锂电池和超级电容混合储能系统,优化了发电系统的效率,研究了发电机起动、负载突变以及脉冲负载过程的能量优化与控制。针对不同工况,实行不同的功率分配方案。仿真结果表明,将混合储能系统应用在舰船上不仅能够快速响应负载、稳定直流母线电压,而且可以使发电机工作在最佳状态,提高了能量利用率。

英文摘要：

Lithium batteries and a supercapacitor hybrid energy storage system are used to optimize generator＇s efficiency in a medium voltage DC system of warship.Research has been done on energy optimization and control of generator start-up,load mutation and pulse load.Under different conditions,several power allocation schemes are implemented.The simulation results show that the hybrid energy storage system can quickly respond to the load on ships,make DC bus voltage stable,and make the generator work under the best condition so as to improve energy efficiency.