End-to-end system level modeling and simulation for medium-voltage DC electric ship power systems

  • Zhu, Wanlu (School of Electronics and Information, Jiangsu University of Science and Technology) ;
  • Shi, Jian (Department of Electrical and Computer Engineering, Mississippi State University) ;
  • Abdelwahed, Sherif (Department of Electrical and Computer Engineering, Mississippi State University)
  • Received : 2016.11.04
  • Accepted : 2017.04.16
  • Published : 2018.01.31


Dynamic simulation is critical for electrical ship studies as it obtains the necessary information to capture and characterize system performance over the range of system operations and dynamic events such as disturbances or contingencies. However, modeling and simulation of the interactive electrical and mechanical dynamics involves setting up and solving system equations in time-domain that is typically time consuming and computationally expensive. Accurate assessment of system dynamic behaviors of interest without excessive computational overhead has become a serious concern and challenge for practical application of electrical ship design, analysis, optimization and control. This paper aims to develop a systematic approach to classify the sophisticated dynamic phenomenon encountered in electrical ship modeling and simulation practices based on the design intention and the time scale of interest. Then a novel, comprehensive, coherent, and end-to-end mathematical modeling and simulation approach has been developed for the latest Medium Voltage Direct Current (MVDC) Shipboard Power System (SPS) with the objective to effectively and efficiently capture the system behavior for ship-wide system-level studies. The accuracy and computation efficiency of the proposed approach has been evaluated and validated within the time frame of interest in the cast studies. The significance and the potential application of the proposed modeling and simulation approach are also discussed.


Supported by : Office of Naval Research (ONR)


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