船舶直流综合电力系统小信号稳定性分析
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摘要
针对船舶直流综合电力系统参数匹配复杂的问题,通过建立系统数学模型,提出将基于状态空间方程的小信号稳定性分析运用于船舶直流系统中进行控制参数设计的方法,对系统在控制参数变化的情况下进行稳定性分析,得到对应参数的稳定区域,并在Digsilent/Power Factory环境下搭建仿真模型验证结论有效性,为系统的控制参数设计提供支撑。
According to the complex control parameters matching of marine DC integrated power system, the method of applying the small-signal stability analysis based on state space equation to the design of control parameters in marine DC integrated power system is proposed. The stability analysis of the system under the condition of changing control parameters is made and the stable region of the corresponding parameters is obtained. The simulation model of the system is built in Digsilent/Power Factory to verify the validity of the conclusion, which provides support for the control parameter design of the system.
According to the complex control parameters matching of marine DC integrated power system, the method of applying the small-signal stability analysis based on state space equation to the design of control parameters in marine DC integrated power system is proposed. The stability analysis of the system under the condition of changing control parameters is made and the stable region of the corresponding parameters is obtained. The simulation model of the system is built in Digsilent/Power Factory to verify the validity of the conclusion, which provides support for the control parameter design of the system.
引文
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[2]SULLIGOI G.All Electric Ships:Present and Future after20 Years of Research and Technical Achievements[R].2011.
[3]IEEE.IEEE Recommended Practice for 1 k V to 35 k VMedium-Voltage DC Power Systems on Ships[M].2010.
[4]RUDRARAJU S R,SRIVASTAVA A K,SRIVASTAVAS C,et al.Small Signal Stability Analysis of a Shipboard MVDC Power System[C]//2009 IEEE Electric Ship Technologies Symposium.2009.
[5]刘胜,程垠钟.基于小信号模型的船舶中压直流发电系统稳定性分析[J].中国电机工程学报,2015,35(8):1930-1939.
[6]SIEGERS J,SANTI E.Stability Analysis and Control Design for an All-electric Ship MVDC Power Distribution System using a Passivity based Stability Criterion and Power Hardware-in-the-loop Simulation[C]//2015 IEEEElectric Ship Technologies Symposium(ESTS).2015.
[7]LIU H,GUO H,LIANG J,et al.Impedance-Based Stability Analysis of MVDC Systems Using Generator-Thyristor Units and DTC Motor Drives[J].Journal of Emerging and Selected Topics in Power Electronics,2017,5(1):5-13.
[8]倪以信,陈寿孙,张宝霖.动态电力系统的理论和分析[M].北京:清华大学出版社,2002.
[9]CASTELLAN S,MENIS R,TESSAROLO A,et al.Power Electronics for All-electric Ships with MVDC Power Distribution System:An Overview[C]//2014 Ninth International Conference on Ecological Vehicles and Renewable Energies(EVER).2014.
[10]KRAUSE P C,WASYNCZUK O,SUDHOFF S D.Analysis of Electric Machinary and Drive Systems[M].Wiley-IEEE Press,2002.