Top-level Architecture Design And Stable Transient Indicator Analysis Of Cruise Integrated Power Grid

The top-level architecture design of the cruise integrated power grid is an important and complicated work in the research of cruise integrated power grid.Its advantages and disadvantages determine the overall performance and operational characteristics of the cruise integrated power grid.Taking into account the complex structure of the cruise ship complex,the variety of loads,and the changing working conditions,from the perspective of the system as a whole,the internal elements of the integrated power grid are connected,matched and organically connected around the core concept and the top-level objectives.Through the analysis and research on the cruise ship's power load,power supply strategy,and architecture design,it is conducive to comprehensively grasping the characteristics of the cruise ship power grid,which is conducive to the overall planning of the cruise ship power grid,At the same time,it also provides a solid theoretical support for the analysis of the steady transient indicators of the subsequent cruise integrated power grid.The subject of the cruise integrated power grid is analyzed.Firstly,based on the analysis and summarization of the existing theoretical research,the power load calculation and power load forecast of the cruise integrated power grid are completed by means of MATLAB software,and then the ring network structure design of the cruise integrated power grid is completed.And the research on the power supply strategy of the ring network system,and finally the PSCAD software is used to complete the voltage and frequency stability transient index analysis of the cruise integrated power grid.The load forecasting research on cruise integrated power grid includes the calculation of cruise ship integrated grid power load based on computer simulation method and the cruise ship integrated grid load forecast based on fuzzy neural network.Firstly,the working probability of cruise ship integrated grid power load under different working conditions is designed,and then used.The MATLAB software obtains the load curve under different working conditions of the cruise integrated power grid.Finally,based on the load curve under the navigation conditions,the load forecasting research is carried out.The comparison results of the fuzzy neural network method are better than the BP neural network method.Based on the research on the design of power supply strategy for the cruise integrated power grid,the ship's medium voltage AC power system cruise integrated power grid typical structure,and then based on the parameters of the Queen Mary II generator set and the cruise complex under different working conditions.The power grid load calculation results are used to design the power supply and distribution equipment parameters,and finally the workingcondition changeover switch design is completed to complete the power supply strategy design of the power grid;The voltage and frequency stability transient indicators of the cruise integrated power grid are analyzed.Firstly,the mathematical modeling and simulation verification of the power equipment of the cruise integrated power grid including the steam turbine generator set,the diesel generator set,the transformer and the load are carried out,and then the PSCAD software is used to build the integrated power grid.The simulation model realizes the transformation of different working conditions of the cruise integrated power grid through the switch on-off design.Finally,based on the simulation results,the steady transient index analysis of the power grid is carried out to verify the rationality of the ring network structure design.